1 // SPDX-License-Identifier: GPL-2.0 <<
2 /* 1 /*
3 * linux/fs/ufs/inode.c 2 * linux/fs/ufs/inode.c
4 * 3 *
5 * Copyright (C) 1998 4 * Copyright (C) 1998
6 * Daniel Pirkl <daniel.pirkl@email.cz> 5 * Daniel Pirkl <daniel.pirkl@email.cz>
7 * Charles University, Faculty of Mathematics 6 * Charles University, Faculty of Mathematics and Physics
8 * 7 *
9 * from 8 * from
10 * 9 *
11 * linux/fs/ext2/inode.c 10 * linux/fs/ext2/inode.c
12 * 11 *
13 * Copyright (C) 1992, 1993, 1994, 1995 12 * Copyright (C) 1992, 1993, 1994, 1995
14 * Remy Card (card@masi.ibp.fr) 13 * Remy Card (card@masi.ibp.fr)
15 * Laboratoire MASI - Institut Blaise Pascal 14 * Laboratoire MASI - Institut Blaise Pascal
16 * Universite Pierre et Marie Curie (Paris VI) 15 * Universite Pierre et Marie Curie (Paris VI)
17 * 16 *
18 * from 17 * from
19 * 18 *
20 * linux/fs/minix/inode.c 19 * linux/fs/minix/inode.c
21 * 20 *
22 * Copyright (C) 1991, 1992 Linus Torvalds 21 * Copyright (C) 1991, 1992 Linus Torvalds
23 * 22 *
24 * Goal-directed block allocation by Stephen 23 * Goal-directed block allocation by Stephen Tweedie (sct@dcs.ed.ac.uk), 1993
25 * Big-endian to little-endian byte-swapping/ 24 * Big-endian to little-endian byte-swapping/bitmaps by
26 * David S. Miller (davem@caip.rutgers. 25 * David S. Miller (davem@caip.rutgers.edu), 1995
27 */ 26 */
28 27
29 #include <linux/uaccess.h> 28 #include <linux/uaccess.h>
30 29
31 #include <linux/errno.h> 30 #include <linux/errno.h>
32 #include <linux/fs.h> 31 #include <linux/fs.h>
33 #include <linux/time.h> 32 #include <linux/time.h>
34 #include <linux/stat.h> 33 #include <linux/stat.h>
35 #include <linux/string.h> 34 #include <linux/string.h>
36 #include <linux/mm.h> 35 #include <linux/mm.h>
37 #include <linux/buffer_head.h> 36 #include <linux/buffer_head.h>
38 #include <linux/mpage.h> <<
39 #include <linux/writeback.h> 37 #include <linux/writeback.h>
40 #include <linux/iversion.h> <<
41 38
42 #include "ufs_fs.h" 39 #include "ufs_fs.h"
43 #include "ufs.h" 40 #include "ufs.h"
44 #include "swab.h" 41 #include "swab.h"
45 #include "util.h" 42 #include "util.h"
46 43
47 static int ufs_block_to_path(struct inode *ino 44 static int ufs_block_to_path(struct inode *inode, sector_t i_block, unsigned offsets[4])
48 { 45 {
49 struct ufs_sb_private_info *uspi = UFS 46 struct ufs_sb_private_info *uspi = UFS_SB(inode->i_sb)->s_uspi;
50 int ptrs = uspi->s_apb; 47 int ptrs = uspi->s_apb;
51 int ptrs_bits = uspi->s_apbshift; 48 int ptrs_bits = uspi->s_apbshift;
52 const long direct_blocks = UFS_NDADDR, 49 const long direct_blocks = UFS_NDADDR,
53 indirect_blocks = ptrs, 50 indirect_blocks = ptrs,
54 double_blocks = (1 << (ptrs_bi 51 double_blocks = (1 << (ptrs_bits * 2));
55 int n = 0; 52 int n = 0;
56 53
57 54
58 UFSD("ptrs=uspi->s_apb = %d,double_blo 55 UFSD("ptrs=uspi->s_apb = %d,double_blocks=%ld \n",ptrs,double_blocks);
59 if (i_block < direct_blocks) { 56 if (i_block < direct_blocks) {
60 offsets[n++] = i_block; 57 offsets[n++] = i_block;
61 } else if ((i_block -= direct_blocks) 58 } else if ((i_block -= direct_blocks) < indirect_blocks) {
62 offsets[n++] = UFS_IND_BLOCK; 59 offsets[n++] = UFS_IND_BLOCK;
63 offsets[n++] = i_block; 60 offsets[n++] = i_block;
64 } else if ((i_block -= indirect_blocks 61 } else if ((i_block -= indirect_blocks) < double_blocks) {
65 offsets[n++] = UFS_DIND_BLOCK; 62 offsets[n++] = UFS_DIND_BLOCK;
66 offsets[n++] = i_block >> ptrs 63 offsets[n++] = i_block >> ptrs_bits;
67 offsets[n++] = i_block & (ptrs 64 offsets[n++] = i_block & (ptrs - 1);
68 } else if (((i_block -= double_blocks) 65 } else if (((i_block -= double_blocks) >> (ptrs_bits * 2)) < ptrs) {
69 offsets[n++] = UFS_TIND_BLOCK; 66 offsets[n++] = UFS_TIND_BLOCK;
70 offsets[n++] = i_block >> (ptr 67 offsets[n++] = i_block >> (ptrs_bits * 2);
71 offsets[n++] = (i_block >> ptr 68 offsets[n++] = (i_block >> ptrs_bits) & (ptrs - 1);
72 offsets[n++] = i_block & (ptrs 69 offsets[n++] = i_block & (ptrs - 1);
73 } else { 70 } else {
74 ufs_warning(inode->i_sb, "ufs_ 71 ufs_warning(inode->i_sb, "ufs_block_to_path", "block > big");
75 } 72 }
76 return n; 73 return n;
77 } 74 }
78 75
79 typedef struct { 76 typedef struct {
80 void *p; 77 void *p;
81 union { 78 union {
82 __fs32 key32; 79 __fs32 key32;
83 __fs64 key64; 80 __fs64 key64;
84 }; 81 };
85 struct buffer_head *bh; 82 struct buffer_head *bh;
86 } Indirect; 83 } Indirect;
87 84
88 static inline int grow_chain32(struct ufs_inod 85 static inline int grow_chain32(struct ufs_inode_info *ufsi,
89 struct buffer_h 86 struct buffer_head *bh, __fs32 *v,
90 Indirect *from, 87 Indirect *from, Indirect *to)
91 { 88 {
92 Indirect *p; 89 Indirect *p;
93 unsigned seq; 90 unsigned seq;
94 to->bh = bh; 91 to->bh = bh;
95 do { 92 do {
96 seq = read_seqbegin(&ufsi->met 93 seq = read_seqbegin(&ufsi->meta_lock);
97 to->key32 = *(__fs32 *)(to->p 94 to->key32 = *(__fs32 *)(to->p = v);
98 for (p = from; p <= to && p->k 95 for (p = from; p <= to && p->key32 == *(__fs32 *)p->p; p++)
99 ; 96 ;
100 } while (read_seqretry(&ufsi->meta_loc 97 } while (read_seqretry(&ufsi->meta_lock, seq));
101 return (p > to); 98 return (p > to);
102 } 99 }
103 100
104 static inline int grow_chain64(struct ufs_inod 101 static inline int grow_chain64(struct ufs_inode_info *ufsi,
105 struct buffer_h 102 struct buffer_head *bh, __fs64 *v,
106 Indirect *from, 103 Indirect *from, Indirect *to)
107 { 104 {
108 Indirect *p; 105 Indirect *p;
109 unsigned seq; 106 unsigned seq;
110 to->bh = bh; 107 to->bh = bh;
111 do { 108 do {
112 seq = read_seqbegin(&ufsi->met 109 seq = read_seqbegin(&ufsi->meta_lock);
113 to->key64 = *(__fs64 *)(to->p 110 to->key64 = *(__fs64 *)(to->p = v);
114 for (p = from; p <= to && p->k 111 for (p = from; p <= to && p->key64 == *(__fs64 *)p->p; p++)
115 ; 112 ;
116 } while (read_seqretry(&ufsi->meta_loc 113 } while (read_seqretry(&ufsi->meta_lock, seq));
117 return (p > to); 114 return (p > to);
118 } 115 }
119 116
120 /* 117 /*
121 * Returns the location of the fragment from 118 * Returns the location of the fragment from
122 * the beginning of the filesystem. 119 * the beginning of the filesystem.
123 */ 120 */
124 121
125 static u64 ufs_frag_map(struct inode *inode, u 122 static u64 ufs_frag_map(struct inode *inode, unsigned offsets[4], int depth)
126 { 123 {
127 struct ufs_inode_info *ufsi = UFS_I(in 124 struct ufs_inode_info *ufsi = UFS_I(inode);
128 struct super_block *sb = inode->i_sb; 125 struct super_block *sb = inode->i_sb;
129 struct ufs_sb_private_info *uspi = UFS 126 struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
130 u64 mask = (u64) uspi->s_apbmask>>uspi 127 u64 mask = (u64) uspi->s_apbmask>>uspi->s_fpbshift;
131 int shift = uspi->s_apbshift-uspi->s_f 128 int shift = uspi->s_apbshift-uspi->s_fpbshift;
132 Indirect chain[4], *q = chain; 129 Indirect chain[4], *q = chain;
133 unsigned *p; 130 unsigned *p;
134 unsigned flags = UFS_SB(sb)->s_flags; 131 unsigned flags = UFS_SB(sb)->s_flags;
135 u64 res = 0; 132 u64 res = 0;
136 133
137 UFSD(": uspi->s_fpbshift = %d ,uspi->s 134 UFSD(": uspi->s_fpbshift = %d ,uspi->s_apbmask = %x, mask=%llx\n",
138 uspi->s_fpbshift, uspi->s_apbm 135 uspi->s_fpbshift, uspi->s_apbmask,
139 (unsigned long long)mask); 136 (unsigned long long)mask);
140 137
141 if (depth == 0) 138 if (depth == 0)
142 goto no_block; 139 goto no_block;
143 140
144 again: 141 again:
145 p = offsets; 142 p = offsets;
146 143
147 if ((flags & UFS_TYPE_MASK) == UFS_TYP 144 if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2)
148 goto ufs2; 145 goto ufs2;
149 146
150 if (!grow_chain32(ufsi, NULL, &ufsi->i 147 if (!grow_chain32(ufsi, NULL, &ufsi->i_u1.i_data[*p++], chain, q))
151 goto changed; 148 goto changed;
152 if (!q->key32) 149 if (!q->key32)
153 goto no_block; 150 goto no_block;
154 while (--depth) { 151 while (--depth) {
155 __fs32 *ptr; 152 __fs32 *ptr;
156 struct buffer_head *bh; 153 struct buffer_head *bh;
157 unsigned n = *p++; 154 unsigned n = *p++;
158 155
159 bh = sb_bread(sb, uspi->s_sbba 156 bh = sb_bread(sb, uspi->s_sbbase +
160 fs32_to_cpu( 157 fs32_to_cpu(sb, q->key32) + (n>>shift));
161 if (!bh) 158 if (!bh)
162 goto no_block; 159 goto no_block;
163 ptr = (__fs32 *)bh->b_data + ( 160 ptr = (__fs32 *)bh->b_data + (n & mask);
164 if (!grow_chain32(ufsi, bh, pt 161 if (!grow_chain32(ufsi, bh, ptr, chain, ++q))
165 goto changed; 162 goto changed;
166 if (!q->key32) 163 if (!q->key32)
167 goto no_block; 164 goto no_block;
168 } 165 }
169 res = fs32_to_cpu(sb, q->key32); 166 res = fs32_to_cpu(sb, q->key32);
170 goto found; 167 goto found;
171 168
172 ufs2: 169 ufs2:
173 if (!grow_chain64(ufsi, NULL, &ufsi->i 170 if (!grow_chain64(ufsi, NULL, &ufsi->i_u1.u2_i_data[*p++], chain, q))
174 goto changed; 171 goto changed;
175 if (!q->key64) 172 if (!q->key64)
176 goto no_block; 173 goto no_block;
177 174
178 while (--depth) { 175 while (--depth) {
179 __fs64 *ptr; 176 __fs64 *ptr;
180 struct buffer_head *bh; 177 struct buffer_head *bh;
181 unsigned n = *p++; 178 unsigned n = *p++;
182 179
183 bh = sb_bread(sb, uspi->s_sbba 180 bh = sb_bread(sb, uspi->s_sbbase +
184 fs64_to_cpu( 181 fs64_to_cpu(sb, q->key64) + (n>>shift));
185 if (!bh) 182 if (!bh)
186 goto no_block; 183 goto no_block;
187 ptr = (__fs64 *)bh->b_data + ( 184 ptr = (__fs64 *)bh->b_data + (n & mask);
188 if (!grow_chain64(ufsi, bh, pt 185 if (!grow_chain64(ufsi, bh, ptr, chain, ++q))
189 goto changed; 186 goto changed;
190 if (!q->key64) 187 if (!q->key64)
191 goto no_block; 188 goto no_block;
192 } 189 }
193 res = fs64_to_cpu(sb, q->key64); 190 res = fs64_to_cpu(sb, q->key64);
194 found: 191 found:
195 res += uspi->s_sbbase; 192 res += uspi->s_sbbase;
196 no_block: 193 no_block:
197 while (q > chain) { 194 while (q > chain) {
198 brelse(q->bh); 195 brelse(q->bh);
199 q--; 196 q--;
200 } 197 }
201 return res; 198 return res;
202 199
203 changed: 200 changed:
204 while (q > chain) { 201 while (q > chain) {
205 brelse(q->bh); 202 brelse(q->bh);
206 q--; 203 q--;
207 } 204 }
208 goto again; 205 goto again;
209 } 206 }
210 207
211 /* 208 /*
212 * Unpacking tails: we have a file with partia 209 * Unpacking tails: we have a file with partial final block and
213 * we had been asked to extend it. If the fra 210 * we had been asked to extend it. If the fragment being written
214 * is within the same block, we need to extend 211 * is within the same block, we need to extend the tail just to cover
215 * that fragment. Otherwise the tail is exten 212 * that fragment. Otherwise the tail is extended to full block.
216 * 213 *
217 * Note that we might need to create a _new_ t 214 * Note that we might need to create a _new_ tail, but that will
218 * be handled elsewhere; this is strictly for 215 * be handled elsewhere; this is strictly for resizing old
219 * ones. 216 * ones.
220 */ 217 */
221 static bool 218 static bool
222 ufs_extend_tail(struct inode *inode, u64 write 219 ufs_extend_tail(struct inode *inode, u64 writes_to,
223 int *err, struct page *locke 220 int *err, struct page *locked_page)
224 { 221 {
225 struct ufs_inode_info *ufsi = UFS_I(in 222 struct ufs_inode_info *ufsi = UFS_I(inode);
226 struct super_block *sb = inode->i_sb; 223 struct super_block *sb = inode->i_sb;
227 struct ufs_sb_private_info *uspi = UFS 224 struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
228 unsigned lastfrag = ufsi->i_lastfrag; 225 unsigned lastfrag = ufsi->i_lastfrag; /* it's a short file, so unsigned is enough */
229 unsigned block = ufs_fragstoblks(lastf 226 unsigned block = ufs_fragstoblks(lastfrag);
230 unsigned new_size; 227 unsigned new_size;
231 void *p; 228 void *p;
232 u64 tmp; 229 u64 tmp;
233 230
234 if (writes_to < (lastfrag | uspi->s_fp 231 if (writes_to < (lastfrag | uspi->s_fpbmask))
235 new_size = (writes_to & uspi-> 232 new_size = (writes_to & uspi->s_fpbmask) + 1;
236 else 233 else
237 new_size = uspi->s_fpb; 234 new_size = uspi->s_fpb;
238 235
239 p = ufs_get_direct_data_ptr(uspi, ufsi 236 p = ufs_get_direct_data_ptr(uspi, ufsi, block);
240 tmp = ufs_new_fragments(inode, p, last 237 tmp = ufs_new_fragments(inode, p, lastfrag, ufs_data_ptr_to_cpu(sb, p),
241 new_size - (la 238 new_size - (lastfrag & uspi->s_fpbmask), err,
242 locked_page); 239 locked_page);
243 return tmp != 0; 240 return tmp != 0;
244 } 241 }
245 242
246 /** 243 /**
247 * ufs_inode_getfrag() - allocate new fragment 244 * ufs_inode_getfrag() - allocate new fragment(s)
248 * @inode: pointer to inode 245 * @inode: pointer to inode
249 * @index: number of block pointer within the 246 * @index: number of block pointer within the inode's array.
250 * @new_fragment: number of new allocated frag 247 * @new_fragment: number of new allocated fragment(s)
251 * @err: we set it if something wrong 248 * @err: we set it if something wrong
252 * @new: we set it if we allocate new block 249 * @new: we set it if we allocate new block
253 * @locked_page: for ufs_new_fragments() 250 * @locked_page: for ufs_new_fragments()
254 */ 251 */
255 static u64 252 static u64
256 ufs_inode_getfrag(struct inode *inode, unsigne 253 ufs_inode_getfrag(struct inode *inode, unsigned index,
257 sector_t new_fragment, int * 254 sector_t new_fragment, int *err,
258 int *new, struct page *locke 255 int *new, struct page *locked_page)
259 { 256 {
260 struct ufs_inode_info *ufsi = UFS_I(in 257 struct ufs_inode_info *ufsi = UFS_I(inode);
261 struct super_block *sb = inode->i_sb; 258 struct super_block *sb = inode->i_sb;
262 struct ufs_sb_private_info *uspi = UFS 259 struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
263 u64 tmp, goal, lastfrag; 260 u64 tmp, goal, lastfrag;
264 unsigned nfrags = uspi->s_fpb; 261 unsigned nfrags = uspi->s_fpb;
265 void *p; 262 void *p;
266 263
267 /* TODO : to be done for write support 264 /* TODO : to be done for write support
268 if ( (flags & UFS_TYPE_MASK) == UFS_TY 265 if ( (flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2)
269 goto ufs2; 266 goto ufs2;
270 */ 267 */
271 268
272 p = ufs_get_direct_data_ptr(uspi, ufsi 269 p = ufs_get_direct_data_ptr(uspi, ufsi, index);
273 tmp = ufs_data_ptr_to_cpu(sb, p); 270 tmp = ufs_data_ptr_to_cpu(sb, p);
274 if (tmp) 271 if (tmp)
275 goto out; 272 goto out;
276 273
277 lastfrag = ufsi->i_lastfrag; 274 lastfrag = ufsi->i_lastfrag;
278 275
279 /* will that be a new tail? */ 276 /* will that be a new tail? */
280 if (new_fragment < UFS_NDIR_FRAGMENT & 277 if (new_fragment < UFS_NDIR_FRAGMENT && new_fragment >= lastfrag)
281 nfrags = (new_fragment & uspi- 278 nfrags = (new_fragment & uspi->s_fpbmask) + 1;
282 279
283 goal = 0; 280 goal = 0;
284 if (index) { 281 if (index) {
285 goal = ufs_data_ptr_to_cpu(sb, 282 goal = ufs_data_ptr_to_cpu(sb,
286 ufs_get_direc 283 ufs_get_direct_data_ptr(uspi, ufsi, index - 1));
287 if (goal) 284 if (goal)
288 goal += uspi->s_fpb; 285 goal += uspi->s_fpb;
289 } 286 }
290 tmp = ufs_new_fragments(inode, p, ufs_ 287 tmp = ufs_new_fragments(inode, p, ufs_blknum(new_fragment),
291 goal, nfrags, 288 goal, nfrags, err, locked_page);
292 289
293 if (!tmp) { 290 if (!tmp) {
294 *err = -ENOSPC; 291 *err = -ENOSPC;
295 return 0; 292 return 0;
296 } 293 }
297 294
298 if (new) 295 if (new)
299 *new = 1; 296 *new = 1;
300 inode_set_ctime_current(inode); !! 297 inode->i_ctime = current_time(inode);
301 if (IS_SYNC(inode)) 298 if (IS_SYNC(inode))
302 ufs_sync_inode (inode); 299 ufs_sync_inode (inode);
303 mark_inode_dirty(inode); 300 mark_inode_dirty(inode);
304 out: 301 out:
305 return tmp + uspi->s_sbbase; 302 return tmp + uspi->s_sbbase;
306 303
307 /* This part : To be implemented .... 304 /* This part : To be implemented ....
308 Required only for writing, not require 305 Required only for writing, not required for READ-ONLY.
309 ufs2: 306 ufs2:
310 307
311 u2_block = ufs_fragstoblks(fragment); 308 u2_block = ufs_fragstoblks(fragment);
312 u2_blockoff = ufs_fragnum(fragment); 309 u2_blockoff = ufs_fragnum(fragment);
313 p = ufsi->i_u1.u2_i_data + block; 310 p = ufsi->i_u1.u2_i_data + block;
314 goal = 0; 311 goal = 0;
315 312
316 repeat2: 313 repeat2:
317 tmp = fs32_to_cpu(sb, *p); 314 tmp = fs32_to_cpu(sb, *p);
318 lastfrag = ufsi->i_lastfrag; 315 lastfrag = ufsi->i_lastfrag;
319 316
320 */ 317 */
321 } 318 }
322 319
323 /** 320 /**
324 * ufs_inode_getblock() - allocate new block 321 * ufs_inode_getblock() - allocate new block
325 * @inode: pointer to inode 322 * @inode: pointer to inode
326 * @ind_block: block number of the indirect bl 323 * @ind_block: block number of the indirect block
327 * @index: number of pointer within the indire 324 * @index: number of pointer within the indirect block
328 * @new_fragment: number of new allocated frag 325 * @new_fragment: number of new allocated fragment
329 * (block will hold this fragment and also us 326 * (block will hold this fragment and also uspi->s_fpb-1)
330 * @err: see ufs_inode_getfrag() 327 * @err: see ufs_inode_getfrag()
331 * @new: see ufs_inode_getfrag() 328 * @new: see ufs_inode_getfrag()
332 * @locked_page: see ufs_inode_getfrag() 329 * @locked_page: see ufs_inode_getfrag()
333 */ 330 */
334 static u64 331 static u64
335 ufs_inode_getblock(struct inode *inode, u64 in 332 ufs_inode_getblock(struct inode *inode, u64 ind_block,
336 unsigned index, sector_t new 333 unsigned index, sector_t new_fragment, int *err,
337 int *new, struct page *locke 334 int *new, struct page *locked_page)
338 { 335 {
339 struct super_block *sb = inode->i_sb; 336 struct super_block *sb = inode->i_sb;
340 struct ufs_sb_private_info *uspi = UFS 337 struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
341 int shift = uspi->s_apbshift - uspi->s 338 int shift = uspi->s_apbshift - uspi->s_fpbshift;
342 u64 tmp = 0, goal; 339 u64 tmp = 0, goal;
343 struct buffer_head *bh; 340 struct buffer_head *bh;
344 void *p; 341 void *p;
345 342
346 if (!ind_block) 343 if (!ind_block)
347 return 0; 344 return 0;
348 345
349 bh = sb_bread(sb, ind_block + (index > 346 bh = sb_bread(sb, ind_block + (index >> shift));
350 if (unlikely(!bh)) { 347 if (unlikely(!bh)) {
351 *err = -EIO; 348 *err = -EIO;
352 return 0; 349 return 0;
353 } 350 }
354 351
355 index &= uspi->s_apbmask >> uspi->s_fp 352 index &= uspi->s_apbmask >> uspi->s_fpbshift;
356 if (uspi->fs_magic == UFS2_MAGIC) 353 if (uspi->fs_magic == UFS2_MAGIC)
357 p = (__fs64 *)bh->b_data + ind 354 p = (__fs64 *)bh->b_data + index;
358 else 355 else
359 p = (__fs32 *)bh->b_data + ind 356 p = (__fs32 *)bh->b_data + index;
360 357
361 tmp = ufs_data_ptr_to_cpu(sb, p); 358 tmp = ufs_data_ptr_to_cpu(sb, p);
362 if (tmp) 359 if (tmp)
363 goto out; 360 goto out;
364 361
365 if (index && (uspi->fs_magic == UFS2_M 362 if (index && (uspi->fs_magic == UFS2_MAGIC ?
366 (tmp = fs64_to_cpu(sb, ( 363 (tmp = fs64_to_cpu(sb, ((__fs64 *)bh->b_data)[index-1])) :
367 (tmp = fs32_to_cpu(sb, ( 364 (tmp = fs32_to_cpu(sb, ((__fs32 *)bh->b_data)[index-1]))))
368 goal = tmp + uspi->s_fpb; 365 goal = tmp + uspi->s_fpb;
369 else 366 else
370 goal = bh->b_blocknr + uspi->s 367 goal = bh->b_blocknr + uspi->s_fpb;
371 tmp = ufs_new_fragments(inode, p, ufs_ 368 tmp = ufs_new_fragments(inode, p, ufs_blknum(new_fragment), goal,
372 uspi->s_fpb, e 369 uspi->s_fpb, err, locked_page);
373 if (!tmp) 370 if (!tmp)
374 goto out; 371 goto out;
375 372
376 if (new) 373 if (new)
377 *new = 1; 374 *new = 1;
378 375
379 mark_buffer_dirty(bh); 376 mark_buffer_dirty(bh);
380 if (IS_SYNC(inode)) 377 if (IS_SYNC(inode))
381 sync_dirty_buffer(bh); 378 sync_dirty_buffer(bh);
382 inode_set_ctime_current(inode); !! 379 inode->i_ctime = current_time(inode);
383 mark_inode_dirty(inode); 380 mark_inode_dirty(inode);
384 out: 381 out:
385 brelse (bh); 382 brelse (bh);
386 UFSD("EXIT\n"); 383 UFSD("EXIT\n");
387 if (tmp) 384 if (tmp)
388 tmp += uspi->s_sbbase; 385 tmp += uspi->s_sbbase;
389 return tmp; 386 return tmp;
390 } 387 }
391 388
392 /** 389 /**
393 * ufs_getfrag_block() - `get_block_t' functio 390 * ufs_getfrag_block() - `get_block_t' function, interface between UFS and
394 * read_folio, writepages and so on !! 391 * readpage, writepage and so on
395 */ 392 */
396 393
397 static int ufs_getfrag_block(struct inode *ino 394 static int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create)
398 { 395 {
399 struct super_block *sb = inode->i_sb; 396 struct super_block *sb = inode->i_sb;
400 struct ufs_sb_private_info *uspi = UFS 397 struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
401 int err = 0, new = 0; 398 int err = 0, new = 0;
402 unsigned offsets[4]; 399 unsigned offsets[4];
403 int depth = ufs_block_to_path(inode, f 400 int depth = ufs_block_to_path(inode, fragment >> uspi->s_fpbshift, offsets);
404 u64 phys64 = 0; 401 u64 phys64 = 0;
405 unsigned frag = fragment & uspi->s_fpb 402 unsigned frag = fragment & uspi->s_fpbmask;
406 403
407 phys64 = ufs_frag_map(inode, offsets, 404 phys64 = ufs_frag_map(inode, offsets, depth);
408 if (!create) 405 if (!create)
409 goto done; 406 goto done;
410 407
411 if (phys64) { 408 if (phys64) {
412 if (fragment >= UFS_NDIR_FRAGM 409 if (fragment >= UFS_NDIR_FRAGMENT)
413 goto done; 410 goto done;
414 read_seqlock_excl(&UFS_I(inode 411 read_seqlock_excl(&UFS_I(inode)->meta_lock);
415 if (fragment < UFS_I(inode)->i 412 if (fragment < UFS_I(inode)->i_lastfrag) {
416 read_sequnlock_excl(&U 413 read_sequnlock_excl(&UFS_I(inode)->meta_lock);
417 goto done; 414 goto done;
418 } 415 }
419 read_sequnlock_excl(&UFS_I(ino 416 read_sequnlock_excl(&UFS_I(inode)->meta_lock);
420 } 417 }
421 /* This code entered only while writin 418 /* This code entered only while writing ....? */
422 419
423 mutex_lock(&UFS_I(inode)->truncate_mut 420 mutex_lock(&UFS_I(inode)->truncate_mutex);
424 421
425 UFSD("ENTER, ino %lu, fragment %llu\n" 422 UFSD("ENTER, ino %lu, fragment %llu\n", inode->i_ino, (unsigned long long)fragment);
426 if (unlikely(!depth)) { 423 if (unlikely(!depth)) {
427 ufs_warning(sb, "ufs_get_block 424 ufs_warning(sb, "ufs_get_block", "block > big");
428 err = -EIO; 425 err = -EIO;
429 goto out; 426 goto out;
430 } 427 }
431 428
432 if (UFS_I(inode)->i_lastfrag < UFS_NDI 429 if (UFS_I(inode)->i_lastfrag < UFS_NDIR_FRAGMENT) {
433 unsigned lastfrag = UFS_I(inod 430 unsigned lastfrag = UFS_I(inode)->i_lastfrag;
434 unsigned tailfrags = lastfrag 431 unsigned tailfrags = lastfrag & uspi->s_fpbmask;
435 if (tailfrags && fragment >= l 432 if (tailfrags && fragment >= lastfrag) {
436 if (!ufs_extend_tail(i 433 if (!ufs_extend_tail(inode, fragment,
437 & 434 &err, bh_result->b_page))
438 goto out; 435 goto out;
439 } 436 }
440 } 437 }
441 438
442 if (depth == 1) { 439 if (depth == 1) {
443 phys64 = ufs_inode_getfrag(ino 440 phys64 = ufs_inode_getfrag(inode, offsets[0], fragment,
444 &er 441 &err, &new, bh_result->b_page);
445 } else { 442 } else {
446 int i; 443 int i;
447 phys64 = ufs_inode_getfrag(ino 444 phys64 = ufs_inode_getfrag(inode, offsets[0], fragment,
448 &er 445 &err, NULL, NULL);
449 for (i = 1; i < depth - 1; i++ 446 for (i = 1; i < depth - 1; i++)
450 phys64 = ufs_inode_get 447 phys64 = ufs_inode_getblock(inode, phys64, offsets[i],
451 448 fragment, &err, NULL, NULL);
452 phys64 = ufs_inode_getblock(in 449 phys64 = ufs_inode_getblock(inode, phys64, offsets[depth - 1],
453 fragme 450 fragment, &err, &new, bh_result->b_page);
454 } 451 }
455 out: 452 out:
456 if (phys64) { 453 if (phys64) {
457 phys64 += frag; 454 phys64 += frag;
458 map_bh(bh_result, sb, phys64); 455 map_bh(bh_result, sb, phys64);
459 if (new) 456 if (new)
460 set_buffer_new(bh_resu 457 set_buffer_new(bh_result);
461 } 458 }
462 mutex_unlock(&UFS_I(inode)->truncate_m 459 mutex_unlock(&UFS_I(inode)->truncate_mutex);
463 return err; 460 return err;
464 461
465 done: 462 done:
466 if (phys64) 463 if (phys64)
467 map_bh(bh_result, sb, phys64 + 464 map_bh(bh_result, sb, phys64 + frag);
468 return 0; 465 return 0;
469 } 466 }
470 467
471 static int ufs_writepages(struct address_space !! 468 static int ufs_writepage(struct page *page, struct writeback_control *wbc)
472 struct writeback_control *wbc) <<
473 { 469 {
474 return mpage_writepages(mapping, wbc, !! 470 return block_write_full_page(page,ufs_getfrag_block,wbc);
475 } 471 }
476 472
477 static int ufs_read_folio(struct file *file, s !! 473 static int ufs_readpage(struct file *file, struct page *page)
478 { 474 {
479 return block_read_full_folio(folio, uf !! 475 return block_read_full_page(page,ufs_getfrag_block);
480 } 476 }
481 477
482 int ufs_prepare_chunk(struct page *page, loff_ 478 int ufs_prepare_chunk(struct page *page, loff_t pos, unsigned len)
483 { 479 {
484 return __block_write_begin(page, pos, 480 return __block_write_begin(page, pos, len, ufs_getfrag_block);
485 } 481 }
486 482
487 static void ufs_truncate_blocks(struct inode * 483 static void ufs_truncate_blocks(struct inode *);
488 484
489 static void ufs_write_failed(struct address_sp 485 static void ufs_write_failed(struct address_space *mapping, loff_t to)
490 { 486 {
491 struct inode *inode = mapping->host; 487 struct inode *inode = mapping->host;
492 488
493 if (to > inode->i_size) { 489 if (to > inode->i_size) {
494 truncate_pagecache(inode, inod 490 truncate_pagecache(inode, inode->i_size);
495 ufs_truncate_blocks(inode); 491 ufs_truncate_blocks(inode);
496 } 492 }
497 } 493 }
498 494
499 static int ufs_write_begin(struct file *file, 495 static int ufs_write_begin(struct file *file, struct address_space *mapping,
500 loff_t pos, unsigned l !! 496 loff_t pos, unsigned len, unsigned flags,
501 struct page **pagep, v 497 struct page **pagep, void **fsdata)
502 { 498 {
503 int ret; 499 int ret;
504 500
505 ret = block_write_begin(mapping, pos, !! 501 ret = block_write_begin(mapping, pos, len, flags, pagep,
>> 502 ufs_getfrag_block);
506 if (unlikely(ret)) 503 if (unlikely(ret))
507 ufs_write_failed(mapping, pos 504 ufs_write_failed(mapping, pos + len);
508 505
509 return ret; 506 return ret;
510 } 507 }
511 508
512 static int ufs_write_end(struct file *file, st 509 static int ufs_write_end(struct file *file, struct address_space *mapping,
513 loff_t pos, unsigned l 510 loff_t pos, unsigned len, unsigned copied,
514 struct page *page, voi 511 struct page *page, void *fsdata)
515 { 512 {
516 int ret; 513 int ret;
517 514
518 ret = generic_write_end(file, mapping, 515 ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata);
519 if (ret < len) 516 if (ret < len)
520 ufs_write_failed(mapping, pos 517 ufs_write_failed(mapping, pos + len);
521 return ret; 518 return ret;
522 } 519 }
523 520
524 static sector_t ufs_bmap(struct address_space 521 static sector_t ufs_bmap(struct address_space *mapping, sector_t block)
525 { 522 {
526 return generic_block_bmap(mapping,bloc 523 return generic_block_bmap(mapping,block,ufs_getfrag_block);
527 } 524 }
528 525
529 const struct address_space_operations ufs_aops 526 const struct address_space_operations ufs_aops = {
530 .dirty_folio = block_dirty_folio, !! 527 .readpage = ufs_readpage,
531 .invalidate_folio = block_invalidate_f !! 528 .writepage = ufs_writepage,
532 .read_folio = ufs_read_folio, <<
533 .writepages = ufs_writepages, <<
534 .write_begin = ufs_write_begin, 529 .write_begin = ufs_write_begin,
535 .write_end = ufs_write_end, 530 .write_end = ufs_write_end,
536 .migrate_folio = buffer_migrate_folio, <<
537 .bmap = ufs_bmap 531 .bmap = ufs_bmap
538 }; 532 };
539 533
540 static void ufs_set_inode_ops(struct inode *in 534 static void ufs_set_inode_ops(struct inode *inode)
541 { 535 {
542 if (S_ISREG(inode->i_mode)) { 536 if (S_ISREG(inode->i_mode)) {
543 inode->i_op = &ufs_file_inode_ 537 inode->i_op = &ufs_file_inode_operations;
544 inode->i_fop = &ufs_file_opera 538 inode->i_fop = &ufs_file_operations;
545 inode->i_mapping->a_ops = &ufs 539 inode->i_mapping->a_ops = &ufs_aops;
546 } else if (S_ISDIR(inode->i_mode)) { 540 } else if (S_ISDIR(inode->i_mode)) {
547 inode->i_op = &ufs_dir_inode_o 541 inode->i_op = &ufs_dir_inode_operations;
548 inode->i_fop = &ufs_dir_operat 542 inode->i_fop = &ufs_dir_operations;
549 inode->i_mapping->a_ops = &ufs 543 inode->i_mapping->a_ops = &ufs_aops;
550 } else if (S_ISLNK(inode->i_mode)) { 544 } else if (S_ISLNK(inode->i_mode)) {
551 if (!inode->i_blocks) { 545 if (!inode->i_blocks) {
552 inode->i_link = (char 546 inode->i_link = (char *)UFS_I(inode)->i_u1.i_symlink;
553 inode->i_op = &simple_ 547 inode->i_op = &simple_symlink_inode_operations;
554 } else { 548 } else {
555 inode->i_mapping->a_op 549 inode->i_mapping->a_ops = &ufs_aops;
556 inode->i_op = &page_sy 550 inode->i_op = &page_symlink_inode_operations;
557 inode_nohighmem(inode) 551 inode_nohighmem(inode);
558 } 552 }
559 } else 553 } else
560 init_special_inode(inode, inod 554 init_special_inode(inode, inode->i_mode,
561 ufs_get_ino 555 ufs_get_inode_dev(inode->i_sb, UFS_I(inode)));
562 } 556 }
563 557
564 static int ufs1_read_inode(struct inode *inode 558 static int ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode)
565 { 559 {
566 struct ufs_inode_info *ufsi = UFS_I(in 560 struct ufs_inode_info *ufsi = UFS_I(inode);
567 struct super_block *sb = inode->i_sb; 561 struct super_block *sb = inode->i_sb;
568 umode_t mode; 562 umode_t mode;
569 563
570 /* 564 /*
571 * Copy data to the in-core inode. 565 * Copy data to the in-core inode.
572 */ 566 */
573 inode->i_mode = mode = fs16_to_cpu(sb, 567 inode->i_mode = mode = fs16_to_cpu(sb, ufs_inode->ui_mode);
574 set_nlink(inode, fs16_to_cpu(sb, ufs_i 568 set_nlink(inode, fs16_to_cpu(sb, ufs_inode->ui_nlink));
575 if (inode->i_nlink == 0) 569 if (inode->i_nlink == 0)
576 return -ESTALE; 570 return -ESTALE;
577 571
578 /* 572 /*
579 * Linux now has 32-bit uid and gid, s 573 * Linux now has 32-bit uid and gid, so we can support EFT.
580 */ 574 */
581 i_uid_write(inode, ufs_get_inode_uid(s 575 i_uid_write(inode, ufs_get_inode_uid(sb, ufs_inode));
582 i_gid_write(inode, ufs_get_inode_gid(s 576 i_gid_write(inode, ufs_get_inode_gid(sb, ufs_inode));
583 577
584 inode->i_size = fs64_to_cpu(sb, ufs_in 578 inode->i_size = fs64_to_cpu(sb, ufs_inode->ui_size);
585 inode_set_atime(inode, !! 579 inode->i_atime.tv_sec = (signed)fs32_to_cpu(sb, ufs_inode->ui_atime.tv_sec);
586 (signed)fs32_to_cpu(sb !! 580 inode->i_ctime.tv_sec = (signed)fs32_to_cpu(sb, ufs_inode->ui_ctime.tv_sec);
587 0); !! 581 inode->i_mtime.tv_sec = (signed)fs32_to_cpu(sb, ufs_inode->ui_mtime.tv_sec);
588 inode_set_ctime(inode, !! 582 inode->i_mtime.tv_nsec = 0;
589 (signed)fs32_to_cpu(sb !! 583 inode->i_atime.tv_nsec = 0;
590 0); !! 584 inode->i_ctime.tv_nsec = 0;
591 inode_set_mtime(inode, <<
592 (signed)fs32_to_cpu(sb <<
593 0); <<
594 inode->i_blocks = fs32_to_cpu(sb, ufs_ 585 inode->i_blocks = fs32_to_cpu(sb, ufs_inode->ui_blocks);
595 inode->i_generation = fs32_to_cpu(sb, 586 inode->i_generation = fs32_to_cpu(sb, ufs_inode->ui_gen);
596 ufsi->i_flags = fs32_to_cpu(sb, ufs_in 587 ufsi->i_flags = fs32_to_cpu(sb, ufs_inode->ui_flags);
597 ufsi->i_shadow = fs32_to_cpu(sb, ufs_i 588 ufsi->i_shadow = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_shadow);
598 ufsi->i_oeftflag = fs32_to_cpu(sb, ufs 589 ufsi->i_oeftflag = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_oeftflag);
599 590
600 591
601 if (S_ISCHR(mode) || S_ISBLK(mode) || 592 if (S_ISCHR(mode) || S_ISBLK(mode) || inode->i_blocks) {
602 memcpy(ufsi->i_u1.i_data, &ufs 593 memcpy(ufsi->i_u1.i_data, &ufs_inode->ui_u2.ui_addr,
603 sizeof(ufs_inode->ui_u2 594 sizeof(ufs_inode->ui_u2.ui_addr));
604 } else { 595 } else {
605 memcpy(ufsi->i_u1.i_symlink, u 596 memcpy(ufsi->i_u1.i_symlink, ufs_inode->ui_u2.ui_symlink,
606 sizeof(ufs_inode->ui_u2 597 sizeof(ufs_inode->ui_u2.ui_symlink) - 1);
607 ufsi->i_u1.i_symlink[sizeof(uf 598 ufsi->i_u1.i_symlink[sizeof(ufs_inode->ui_u2.ui_symlink) - 1] = 0;
608 } 599 }
609 return 0; 600 return 0;
610 } 601 }
611 602
612 static int ufs2_read_inode(struct inode *inode 603 static int ufs2_read_inode(struct inode *inode, struct ufs2_inode *ufs2_inode)
613 { 604 {
614 struct ufs_inode_info *ufsi = UFS_I(in 605 struct ufs_inode_info *ufsi = UFS_I(inode);
615 struct super_block *sb = inode->i_sb; 606 struct super_block *sb = inode->i_sb;
616 umode_t mode; 607 umode_t mode;
617 608
618 UFSD("Reading ufs2 inode, ino %lu\n", 609 UFSD("Reading ufs2 inode, ino %lu\n", inode->i_ino);
619 /* 610 /*
620 * Copy data to the in-core inode. 611 * Copy data to the in-core inode.
621 */ 612 */
622 inode->i_mode = mode = fs16_to_cpu(sb, 613 inode->i_mode = mode = fs16_to_cpu(sb, ufs2_inode->ui_mode);
623 set_nlink(inode, fs16_to_cpu(sb, ufs2_ 614 set_nlink(inode, fs16_to_cpu(sb, ufs2_inode->ui_nlink));
624 if (inode->i_nlink == 0) 615 if (inode->i_nlink == 0)
625 return -ESTALE; 616 return -ESTALE;
626 617
627 /* 618 /*
628 * Linux now has 32-bit uid and gid, s 619 * Linux now has 32-bit uid and gid, so we can support EFT.
629 */ 620 */
630 i_uid_write(inode, fs32_to_cpu(sb, ufs 621 i_uid_write(inode, fs32_to_cpu(sb, ufs2_inode->ui_uid));
631 i_gid_write(inode, fs32_to_cpu(sb, ufs 622 i_gid_write(inode, fs32_to_cpu(sb, ufs2_inode->ui_gid));
632 623
633 inode->i_size = fs64_to_cpu(sb, ufs2_i 624 inode->i_size = fs64_to_cpu(sb, ufs2_inode->ui_size);
634 inode_set_atime(inode, fs64_to_cpu(sb, !! 625 inode->i_atime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_atime);
635 fs32_to_cpu(sb, ufs2_i !! 626 inode->i_ctime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_ctime);
636 inode_set_ctime(inode, fs64_to_cpu(sb, !! 627 inode->i_mtime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_mtime);
637 fs32_to_cpu(sb, ufs2_i !! 628 inode->i_atime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_atimensec);
638 inode_set_mtime(inode, fs64_to_cpu(sb, !! 629 inode->i_ctime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_ctimensec);
639 fs32_to_cpu(sb, ufs2_i !! 630 inode->i_mtime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_mtimensec);
640 inode->i_blocks = fs64_to_cpu(sb, ufs2 631 inode->i_blocks = fs64_to_cpu(sb, ufs2_inode->ui_blocks);
641 inode->i_generation = fs32_to_cpu(sb, 632 inode->i_generation = fs32_to_cpu(sb, ufs2_inode->ui_gen);
642 ufsi->i_flags = fs32_to_cpu(sb, ufs2_i 633 ufsi->i_flags = fs32_to_cpu(sb, ufs2_inode->ui_flags);
643 /* 634 /*
644 ufsi->i_shadow = fs32_to_cpu(sb, ufs_i 635 ufsi->i_shadow = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_shadow);
645 ufsi->i_oeftflag = fs32_to_cpu(sb, ufs 636 ufsi->i_oeftflag = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_oeftflag);
646 */ 637 */
647 638
648 if (S_ISCHR(mode) || S_ISBLK(mode) || 639 if (S_ISCHR(mode) || S_ISBLK(mode) || inode->i_blocks) {
649 memcpy(ufsi->i_u1.u2_i_data, & 640 memcpy(ufsi->i_u1.u2_i_data, &ufs2_inode->ui_u2.ui_addr,
650 sizeof(ufs2_inode->ui_u 641 sizeof(ufs2_inode->ui_u2.ui_addr));
651 } else { 642 } else {
652 memcpy(ufsi->i_u1.i_symlink, u 643 memcpy(ufsi->i_u1.i_symlink, ufs2_inode->ui_u2.ui_symlink,
653 sizeof(ufs2_inode->ui_u 644 sizeof(ufs2_inode->ui_u2.ui_symlink) - 1);
654 ufsi->i_u1.i_symlink[sizeof(uf 645 ufsi->i_u1.i_symlink[sizeof(ufs2_inode->ui_u2.ui_symlink) - 1] = 0;
655 } 646 }
656 return 0; 647 return 0;
657 } 648 }
658 649
659 struct inode *ufs_iget(struct super_block *sb, 650 struct inode *ufs_iget(struct super_block *sb, unsigned long ino)
660 { 651 {
661 struct ufs_inode_info *ufsi; 652 struct ufs_inode_info *ufsi;
662 struct ufs_sb_private_info *uspi = UFS 653 struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
663 struct buffer_head * bh; 654 struct buffer_head * bh;
664 struct inode *inode; 655 struct inode *inode;
665 int err = -EIO; 656 int err = -EIO;
666 657
667 UFSD("ENTER, ino %lu\n", ino); 658 UFSD("ENTER, ino %lu\n", ino);
668 659
669 if (ino < UFS_ROOTINO || ino > (uspi-> 660 if (ino < UFS_ROOTINO || ino > (uspi->s_ncg * uspi->s_ipg)) {
670 ufs_warning(sb, "ufs_read_inod 661 ufs_warning(sb, "ufs_read_inode", "bad inode number (%lu)\n",
671 ino); 662 ino);
672 return ERR_PTR(-EIO); 663 return ERR_PTR(-EIO);
673 } 664 }
674 665
675 inode = iget_locked(sb, ino); 666 inode = iget_locked(sb, ino);
676 if (!inode) 667 if (!inode)
677 return ERR_PTR(-ENOMEM); 668 return ERR_PTR(-ENOMEM);
678 if (!(inode->i_state & I_NEW)) 669 if (!(inode->i_state & I_NEW))
679 return inode; 670 return inode;
680 671
681 ufsi = UFS_I(inode); 672 ufsi = UFS_I(inode);
682 673
683 bh = sb_bread(sb, uspi->s_sbbase + ufs 674 bh = sb_bread(sb, uspi->s_sbbase + ufs_inotofsba(inode->i_ino));
684 if (!bh) { 675 if (!bh) {
685 ufs_warning(sb, "ufs_read_inod 676 ufs_warning(sb, "ufs_read_inode", "unable to read inode %lu\n",
686 inode->i_ino); 677 inode->i_ino);
687 goto bad_inode; 678 goto bad_inode;
688 } 679 }
689 if ((UFS_SB(sb)->s_flags & UFS_TYPE_MA 680 if ((UFS_SB(sb)->s_flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) {
690 struct ufs2_inode *ufs2_inode 681 struct ufs2_inode *ufs2_inode = (struct ufs2_inode *)bh->b_data;
691 682
692 err = ufs2_read_inode(inode, 683 err = ufs2_read_inode(inode,
693 ufs2_ino 684 ufs2_inode + ufs_inotofsbo(inode->i_ino));
694 } else { 685 } else {
695 struct ufs_inode *ufs_inode = 686 struct ufs_inode *ufs_inode = (struct ufs_inode *)bh->b_data;
696 687
697 err = ufs1_read_inode(inode, 688 err = ufs1_read_inode(inode,
698 ufs_inod 689 ufs_inode + ufs_inotofsbo(inode->i_ino));
699 } 690 }
700 brelse(bh); 691 brelse(bh);
701 if (err) 692 if (err)
702 goto bad_inode; 693 goto bad_inode;
703 694
704 inode_inc_iversion(inode); !! 695 inode->i_version++;
705 ufsi->i_lastfrag = 696 ufsi->i_lastfrag =
706 (inode->i_size + uspi->s_fsize 697 (inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift;
707 ufsi->i_dir_start_lookup = 0; 698 ufsi->i_dir_start_lookup = 0;
708 ufsi->i_osync = 0; 699 ufsi->i_osync = 0;
709 700
710 ufs_set_inode_ops(inode); 701 ufs_set_inode_ops(inode);
711 702
712 UFSD("EXIT\n"); 703 UFSD("EXIT\n");
713 unlock_new_inode(inode); 704 unlock_new_inode(inode);
714 return inode; 705 return inode;
715 706
716 bad_inode: 707 bad_inode:
717 iget_failed(inode); 708 iget_failed(inode);
718 return ERR_PTR(err); 709 return ERR_PTR(err);
719 } 710 }
720 711
721 static void ufs1_update_inode(struct inode *in 712 static void ufs1_update_inode(struct inode *inode, struct ufs_inode *ufs_inode)
722 { 713 {
723 struct super_block *sb = inode->i_sb; 714 struct super_block *sb = inode->i_sb;
724 struct ufs_inode_info *ufsi = UFS_I(in 715 struct ufs_inode_info *ufsi = UFS_I(inode);
725 716
726 ufs_inode->ui_mode = cpu_to_fs16(sb, i 717 ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);
727 ufs_inode->ui_nlink = cpu_to_fs16(sb, 718 ufs_inode->ui_nlink = cpu_to_fs16(sb, inode->i_nlink);
728 719
729 ufs_set_inode_uid(sb, ufs_inode, i_uid 720 ufs_set_inode_uid(sb, ufs_inode, i_uid_read(inode));
730 ufs_set_inode_gid(sb, ufs_inode, i_gid 721 ufs_set_inode_gid(sb, ufs_inode, i_gid_read(inode));
731 722
732 ufs_inode->ui_size = cpu_to_fs64(sb, i 723 ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size);
733 ufs_inode->ui_atime.tv_sec = cpu_to_fs !! 724 ufs_inode->ui_atime.tv_sec = cpu_to_fs32(sb, inode->i_atime.tv_sec);
734 <<
735 ufs_inode->ui_atime.tv_usec = 0; 725 ufs_inode->ui_atime.tv_usec = 0;
736 ufs_inode->ui_ctime.tv_sec = cpu_to_fs !! 726 ufs_inode->ui_ctime.tv_sec = cpu_to_fs32(sb, inode->i_ctime.tv_sec);
737 <<
738 ufs_inode->ui_ctime.tv_usec = 0; 727 ufs_inode->ui_ctime.tv_usec = 0;
739 ufs_inode->ui_mtime.tv_sec = cpu_to_fs !! 728 ufs_inode->ui_mtime.tv_sec = cpu_to_fs32(sb, inode->i_mtime.tv_sec);
740 <<
741 ufs_inode->ui_mtime.tv_usec = 0; 729 ufs_inode->ui_mtime.tv_usec = 0;
742 ufs_inode->ui_blocks = cpu_to_fs32(sb, 730 ufs_inode->ui_blocks = cpu_to_fs32(sb, inode->i_blocks);
743 ufs_inode->ui_flags = cpu_to_fs32(sb, 731 ufs_inode->ui_flags = cpu_to_fs32(sb, ufsi->i_flags);
744 ufs_inode->ui_gen = cpu_to_fs32(sb, in 732 ufs_inode->ui_gen = cpu_to_fs32(sb, inode->i_generation);
745 733
746 if ((UFS_SB(sb)->s_flags & UFS_UID_MAS 734 if ((UFS_SB(sb)->s_flags & UFS_UID_MASK) == UFS_UID_EFT) {
747 ufs_inode->ui_u3.ui_sun.ui_sha 735 ufs_inode->ui_u3.ui_sun.ui_shadow = cpu_to_fs32(sb, ufsi->i_shadow);
748 ufs_inode->ui_u3.ui_sun.ui_oef 736 ufs_inode->ui_u3.ui_sun.ui_oeftflag = cpu_to_fs32(sb, ufsi->i_oeftflag);
749 } 737 }
750 738
751 if (S_ISCHR(inode->i_mode) || S_ISBLK( 739 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
752 /* ufs_inode->ui_u2.ui_addr.ui 740 /* ufs_inode->ui_u2.ui_addr.ui_db[0] = cpu_to_fs32(sb, inode->i_rdev); */
753 ufs_inode->ui_u2.ui_addr.ui_db 741 ufs_inode->ui_u2.ui_addr.ui_db[0] = ufsi->i_u1.i_data[0];
754 } else if (inode->i_blocks) { 742 } else if (inode->i_blocks) {
755 memcpy(&ufs_inode->ui_u2.ui_ad 743 memcpy(&ufs_inode->ui_u2.ui_addr, ufsi->i_u1.i_data,
756 sizeof(ufs_inode->ui_u2 744 sizeof(ufs_inode->ui_u2.ui_addr));
757 } 745 }
758 else { 746 else {
759 memcpy(&ufs_inode->ui_u2.ui_sy 747 memcpy(&ufs_inode->ui_u2.ui_symlink, ufsi->i_u1.i_symlink,
760 sizeof(ufs_inode->ui_u2 748 sizeof(ufs_inode->ui_u2.ui_symlink));
761 } 749 }
762 750
763 if (!inode->i_nlink) 751 if (!inode->i_nlink)
764 memset (ufs_inode, 0, sizeof(s 752 memset (ufs_inode, 0, sizeof(struct ufs_inode));
765 } 753 }
766 754
767 static void ufs2_update_inode(struct inode *in 755 static void ufs2_update_inode(struct inode *inode, struct ufs2_inode *ufs_inode)
768 { 756 {
769 struct super_block *sb = inode->i_sb; 757 struct super_block *sb = inode->i_sb;
770 struct ufs_inode_info *ufsi = UFS_I(in 758 struct ufs_inode_info *ufsi = UFS_I(inode);
771 759
772 UFSD("ENTER\n"); 760 UFSD("ENTER\n");
773 ufs_inode->ui_mode = cpu_to_fs16(sb, i 761 ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);
774 ufs_inode->ui_nlink = cpu_to_fs16(sb, 762 ufs_inode->ui_nlink = cpu_to_fs16(sb, inode->i_nlink);
775 763
776 ufs_inode->ui_uid = cpu_to_fs32(sb, i_ 764 ufs_inode->ui_uid = cpu_to_fs32(sb, i_uid_read(inode));
777 ufs_inode->ui_gid = cpu_to_fs32(sb, i_ 765 ufs_inode->ui_gid = cpu_to_fs32(sb, i_gid_read(inode));
778 766
779 ufs_inode->ui_size = cpu_to_fs64(sb, i 767 ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size);
780 ufs_inode->ui_atime = cpu_to_fs64(sb, !! 768 ufs_inode->ui_atime = cpu_to_fs64(sb, inode->i_atime.tv_sec);
781 ufs_inode->ui_atimensec = cpu_to_fs32( !! 769 ufs_inode->ui_atimensec = cpu_to_fs32(sb, inode->i_atime.tv_nsec);
782 !! 770 ufs_inode->ui_ctime = cpu_to_fs64(sb, inode->i_ctime.tv_sec);
783 ufs_inode->ui_ctime = cpu_to_fs64(sb, !! 771 ufs_inode->ui_ctimensec = cpu_to_fs32(sb, inode->i_ctime.tv_nsec);
784 ufs_inode->ui_ctimensec = cpu_to_fs32( !! 772 ufs_inode->ui_mtime = cpu_to_fs64(sb, inode->i_mtime.tv_sec);
785 !! 773 ufs_inode->ui_mtimensec = cpu_to_fs32(sb, inode->i_mtime.tv_nsec);
786 ufs_inode->ui_mtime = cpu_to_fs64(sb, <<
787 ufs_inode->ui_mtimensec = cpu_to_fs32( <<
788 <<
789 774
790 ufs_inode->ui_blocks = cpu_to_fs64(sb, 775 ufs_inode->ui_blocks = cpu_to_fs64(sb, inode->i_blocks);
791 ufs_inode->ui_flags = cpu_to_fs32(sb, 776 ufs_inode->ui_flags = cpu_to_fs32(sb, ufsi->i_flags);
792 ufs_inode->ui_gen = cpu_to_fs32(sb, in 777 ufs_inode->ui_gen = cpu_to_fs32(sb, inode->i_generation);
793 778
794 if (S_ISCHR(inode->i_mode) || S_ISBLK( 779 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
795 /* ufs_inode->ui_u2.ui_addr.ui 780 /* ufs_inode->ui_u2.ui_addr.ui_db[0] = cpu_to_fs32(sb, inode->i_rdev); */
796 ufs_inode->ui_u2.ui_addr.ui_db 781 ufs_inode->ui_u2.ui_addr.ui_db[0] = ufsi->i_u1.u2_i_data[0];
797 } else if (inode->i_blocks) { 782 } else if (inode->i_blocks) {
798 memcpy(&ufs_inode->ui_u2.ui_ad 783 memcpy(&ufs_inode->ui_u2.ui_addr, ufsi->i_u1.u2_i_data,
799 sizeof(ufs_inode->ui_u2 784 sizeof(ufs_inode->ui_u2.ui_addr));
800 } else { 785 } else {
801 memcpy(&ufs_inode->ui_u2.ui_sy 786 memcpy(&ufs_inode->ui_u2.ui_symlink, ufsi->i_u1.i_symlink,
802 sizeof(ufs_inode->ui_u2 787 sizeof(ufs_inode->ui_u2.ui_symlink));
803 } 788 }
804 789
805 if (!inode->i_nlink) 790 if (!inode->i_nlink)
806 memset (ufs_inode, 0, sizeof(s 791 memset (ufs_inode, 0, sizeof(struct ufs2_inode));
807 UFSD("EXIT\n"); 792 UFSD("EXIT\n");
808 } 793 }
809 794
810 static int ufs_update_inode(struct inode * ino 795 static int ufs_update_inode(struct inode * inode, int do_sync)
811 { 796 {
812 struct super_block *sb = inode->i_sb; 797 struct super_block *sb = inode->i_sb;
813 struct ufs_sb_private_info *uspi = UFS 798 struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
814 struct buffer_head * bh; 799 struct buffer_head * bh;
815 800
816 UFSD("ENTER, ino %lu\n", inode->i_ino) 801 UFSD("ENTER, ino %lu\n", inode->i_ino);
817 802
818 if (inode->i_ino < UFS_ROOTINO || 803 if (inode->i_ino < UFS_ROOTINO ||
819 inode->i_ino > (uspi->s_ncg * uspi 804 inode->i_ino > (uspi->s_ncg * uspi->s_ipg)) {
820 ufs_warning (sb, "ufs_read_ino 805 ufs_warning (sb, "ufs_read_inode", "bad inode number (%lu)\n", inode->i_ino);
821 return -1; 806 return -1;
822 } 807 }
823 808
824 bh = sb_bread(sb, ufs_inotofsba(inode- 809 bh = sb_bread(sb, ufs_inotofsba(inode->i_ino));
825 if (!bh) { 810 if (!bh) {
826 ufs_warning (sb, "ufs_read_ino 811 ufs_warning (sb, "ufs_read_inode", "unable to read inode %lu\n", inode->i_ino);
827 return -1; 812 return -1;
828 } 813 }
829 if (uspi->fs_magic == UFS2_MAGIC) { 814 if (uspi->fs_magic == UFS2_MAGIC) {
830 struct ufs2_inode *ufs2_inode 815 struct ufs2_inode *ufs2_inode = (struct ufs2_inode *)bh->b_data;
831 816
832 ufs2_update_inode(inode, 817 ufs2_update_inode(inode,
833 ufs2_inode + 818 ufs2_inode + ufs_inotofsbo(inode->i_ino));
834 } else { 819 } else {
835 struct ufs_inode *ufs_inode = 820 struct ufs_inode *ufs_inode = (struct ufs_inode *) bh->b_data;
836 821
837 ufs1_update_inode(inode, ufs_i 822 ufs1_update_inode(inode, ufs_inode + ufs_inotofsbo(inode->i_ino));
838 } 823 }
839 824
840 mark_buffer_dirty(bh); 825 mark_buffer_dirty(bh);
841 if (do_sync) 826 if (do_sync)
842 sync_dirty_buffer(bh); 827 sync_dirty_buffer(bh);
843 brelse (bh); 828 brelse (bh);
844 829
845 UFSD("EXIT\n"); 830 UFSD("EXIT\n");
846 return 0; 831 return 0;
847 } 832 }
848 833
849 int ufs_write_inode(struct inode *inode, struc 834 int ufs_write_inode(struct inode *inode, struct writeback_control *wbc)
850 { 835 {
851 return ufs_update_inode(inode, wbc->sy 836 return ufs_update_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
852 } 837 }
853 838
854 int ufs_sync_inode (struct inode *inode) 839 int ufs_sync_inode (struct inode *inode)
855 { 840 {
856 return ufs_update_inode (inode, 1); 841 return ufs_update_inode (inode, 1);
857 } 842 }
858 843
859 void ufs_evict_inode(struct inode * inode) 844 void ufs_evict_inode(struct inode * inode)
860 { 845 {
861 int want_delete = 0; 846 int want_delete = 0;
862 847
863 if (!inode->i_nlink && !is_bad_inode(i 848 if (!inode->i_nlink && !is_bad_inode(inode))
864 want_delete = 1; 849 want_delete = 1;
865 850
866 truncate_inode_pages_final(&inode->i_d 851 truncate_inode_pages_final(&inode->i_data);
867 if (want_delete) { 852 if (want_delete) {
868 inode->i_size = 0; 853 inode->i_size = 0;
869 if (inode->i_blocks && 854 if (inode->i_blocks &&
870 (S_ISREG(inode->i_mode) || 855 (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
871 S_ISLNK(inode->i_mode))) 856 S_ISLNK(inode->i_mode)))
872 ufs_truncate_blocks(in 857 ufs_truncate_blocks(inode);
873 ufs_update_inode(inode, inode_ 858 ufs_update_inode(inode, inode_needs_sync(inode));
874 } 859 }
875 860
876 invalidate_inode_buffers(inode); 861 invalidate_inode_buffers(inode);
877 clear_inode(inode); 862 clear_inode(inode);
878 863
879 if (want_delete) 864 if (want_delete)
880 ufs_free_inode(inode); 865 ufs_free_inode(inode);
881 } 866 }
882 867
883 struct to_free { 868 struct to_free {
884 struct inode *inode; 869 struct inode *inode;
885 u64 to; 870 u64 to;
886 unsigned count; 871 unsigned count;
887 }; 872 };
888 873
889 static inline void free_data(struct to_free *c 874 static inline void free_data(struct to_free *ctx, u64 from, unsigned count)
890 { 875 {
891 if (ctx->count && ctx->to != from) { 876 if (ctx->count && ctx->to != from) {
892 ufs_free_blocks(ctx->inode, ct 877 ufs_free_blocks(ctx->inode, ctx->to - ctx->count, ctx->count);
893 ctx->count = 0; 878 ctx->count = 0;
894 } 879 }
895 ctx->count += count; 880 ctx->count += count;
896 ctx->to = from + count; 881 ctx->to = from + count;
897 } 882 }
898 883
899 #define DIRECT_FRAGMENT ((inode->i_size + uspi 884 #define DIRECT_FRAGMENT ((inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift)
900 885
901 static void ufs_trunc_direct(struct inode *ino 886 static void ufs_trunc_direct(struct inode *inode)
902 { 887 {
903 struct ufs_inode_info *ufsi = UFS_I(in 888 struct ufs_inode_info *ufsi = UFS_I(inode);
904 struct super_block * sb; 889 struct super_block * sb;
905 struct ufs_sb_private_info * uspi; 890 struct ufs_sb_private_info * uspi;
906 void *p; 891 void *p;
907 u64 frag1, frag2, frag3, frag4, block1 892 u64 frag1, frag2, frag3, frag4, block1, block2;
908 struct to_free ctx = {.inode = inode}; 893 struct to_free ctx = {.inode = inode};
909 unsigned i, tmp; 894 unsigned i, tmp;
910 895
911 UFSD("ENTER: ino %lu\n", inode->i_ino) 896 UFSD("ENTER: ino %lu\n", inode->i_ino);
912 897
913 sb = inode->i_sb; 898 sb = inode->i_sb;
914 uspi = UFS_SB(sb)->s_uspi; 899 uspi = UFS_SB(sb)->s_uspi;
915 900
916 frag1 = DIRECT_FRAGMENT; 901 frag1 = DIRECT_FRAGMENT;
917 frag4 = min_t(u64, UFS_NDIR_FRAGMENT, 902 frag4 = min_t(u64, UFS_NDIR_FRAGMENT, ufsi->i_lastfrag);
918 frag2 = ((frag1 & uspi->s_fpbmask) ? ( 903 frag2 = ((frag1 & uspi->s_fpbmask) ? ((frag1 | uspi->s_fpbmask) + 1) : frag1);
919 frag3 = frag4 & ~uspi->s_fpbmask; 904 frag3 = frag4 & ~uspi->s_fpbmask;
920 block1 = block2 = 0; 905 block1 = block2 = 0;
921 if (frag2 > frag3) { 906 if (frag2 > frag3) {
922 frag2 = frag4; 907 frag2 = frag4;
923 frag3 = frag4 = 0; 908 frag3 = frag4 = 0;
924 } else if (frag2 < frag3) { 909 } else if (frag2 < frag3) {
925 block1 = ufs_fragstoblks (frag 910 block1 = ufs_fragstoblks (frag2);
926 block2 = ufs_fragstoblks (frag 911 block2 = ufs_fragstoblks (frag3);
927 } 912 }
928 913
929 UFSD("ino %lu, frag1 %llu, frag2 %llu, 914 UFSD("ino %lu, frag1 %llu, frag2 %llu, block1 %llu, block2 %llu,"
930 " frag3 %llu, frag4 %llu\n", inod 915 " frag3 %llu, frag4 %llu\n", inode->i_ino,
931 (unsigned long long)frag1, (unsig 916 (unsigned long long)frag1, (unsigned long long)frag2,
932 (unsigned long long)block1, (unsi 917 (unsigned long long)block1, (unsigned long long)block2,
933 (unsigned long long)frag3, (unsig 918 (unsigned long long)frag3, (unsigned long long)frag4);
934 919
935 if (frag1 >= frag2) 920 if (frag1 >= frag2)
936 goto next1; 921 goto next1;
937 922
938 /* 923 /*
939 * Free first free fragments 924 * Free first free fragments
940 */ 925 */
941 p = ufs_get_direct_data_ptr(uspi, ufsi 926 p = ufs_get_direct_data_ptr(uspi, ufsi, ufs_fragstoblks(frag1));
942 tmp = ufs_data_ptr_to_cpu(sb, p); 927 tmp = ufs_data_ptr_to_cpu(sb, p);
943 if (!tmp ) 928 if (!tmp )
944 ufs_panic (sb, "ufs_trunc_dire 929 ufs_panic (sb, "ufs_trunc_direct", "internal error");
945 frag2 -= frag1; 930 frag2 -= frag1;
946 frag1 = ufs_fragnum (frag1); 931 frag1 = ufs_fragnum (frag1);
947 932
948 ufs_free_fragments(inode, tmp + frag1, 933 ufs_free_fragments(inode, tmp + frag1, frag2);
949 934
950 next1: 935 next1:
951 /* 936 /*
952 * Free whole blocks 937 * Free whole blocks
953 */ 938 */
954 for (i = block1 ; i < block2; i++) { 939 for (i = block1 ; i < block2; i++) {
955 p = ufs_get_direct_data_ptr(us 940 p = ufs_get_direct_data_ptr(uspi, ufsi, i);
956 tmp = ufs_data_ptr_to_cpu(sb, 941 tmp = ufs_data_ptr_to_cpu(sb, p);
957 if (!tmp) 942 if (!tmp)
958 continue; 943 continue;
959 write_seqlock(&ufsi->meta_lock 944 write_seqlock(&ufsi->meta_lock);
960 ufs_data_ptr_clear(uspi, p); 945 ufs_data_ptr_clear(uspi, p);
961 write_sequnlock(&ufsi->meta_lo 946 write_sequnlock(&ufsi->meta_lock);
962 947
963 free_data(&ctx, tmp, uspi->s_f 948 free_data(&ctx, tmp, uspi->s_fpb);
964 } 949 }
965 950
966 free_data(&ctx, 0, 0); 951 free_data(&ctx, 0, 0);
967 952
968 if (frag3 >= frag4) 953 if (frag3 >= frag4)
969 goto next3; 954 goto next3;
970 955
971 /* 956 /*
972 * Free last free fragments 957 * Free last free fragments
973 */ 958 */
974 p = ufs_get_direct_data_ptr(uspi, ufsi 959 p = ufs_get_direct_data_ptr(uspi, ufsi, ufs_fragstoblks(frag3));
975 tmp = ufs_data_ptr_to_cpu(sb, p); 960 tmp = ufs_data_ptr_to_cpu(sb, p);
976 if (!tmp ) 961 if (!tmp )
977 ufs_panic(sb, "ufs_truncate_di 962 ufs_panic(sb, "ufs_truncate_direct", "internal error");
978 frag4 = ufs_fragnum (frag4); 963 frag4 = ufs_fragnum (frag4);
979 write_seqlock(&ufsi->meta_lock); 964 write_seqlock(&ufsi->meta_lock);
980 ufs_data_ptr_clear(uspi, p); 965 ufs_data_ptr_clear(uspi, p);
981 write_sequnlock(&ufsi->meta_lock); 966 write_sequnlock(&ufsi->meta_lock);
982 967
983 ufs_free_fragments (inode, tmp, frag4) 968 ufs_free_fragments (inode, tmp, frag4);
984 next3: 969 next3:
985 970
986 UFSD("EXIT: ino %lu\n", inode->i_ino); 971 UFSD("EXIT: ino %lu\n", inode->i_ino);
987 } 972 }
988 973
989 static void free_full_branch(struct inode *ino 974 static void free_full_branch(struct inode *inode, u64 ind_block, int depth)
990 { 975 {
991 struct super_block *sb = inode->i_sb; 976 struct super_block *sb = inode->i_sb;
992 struct ufs_sb_private_info *uspi = UFS 977 struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
993 struct ufs_buffer_head *ubh = ubh_brea 978 struct ufs_buffer_head *ubh = ubh_bread(sb, ind_block, uspi->s_bsize);
994 unsigned i; 979 unsigned i;
995 980
996 if (!ubh) 981 if (!ubh)
997 return; 982 return;
998 983
999 if (--depth) { 984 if (--depth) {
1000 for (i = 0; i < uspi->s_apb; 985 for (i = 0; i < uspi->s_apb; i++) {
1001 void *p = ubh_get_dat 986 void *p = ubh_get_data_ptr(uspi, ubh, i);
1002 u64 block = ufs_data_ 987 u64 block = ufs_data_ptr_to_cpu(sb, p);
1003 if (block) 988 if (block)
1004 free_full_bra 989 free_full_branch(inode, block, depth);
1005 } 990 }
1006 } else { 991 } else {
1007 struct to_free ctx = {.inode 992 struct to_free ctx = {.inode = inode};
1008 993
1009 for (i = 0; i < uspi->s_apb; 994 for (i = 0; i < uspi->s_apb; i++) {
1010 void *p = ubh_get_dat 995 void *p = ubh_get_data_ptr(uspi, ubh, i);
1011 u64 block = ufs_data_ 996 u64 block = ufs_data_ptr_to_cpu(sb, p);
1012 if (block) 997 if (block)
1013 free_data(&ct 998 free_data(&ctx, block, uspi->s_fpb);
1014 } 999 }
1015 free_data(&ctx, 0, 0); 1000 free_data(&ctx, 0, 0);
1016 } 1001 }
1017 1002
1018 ubh_bforget(ubh); 1003 ubh_bforget(ubh);
1019 ufs_free_blocks(inode, ind_block, usp 1004 ufs_free_blocks(inode, ind_block, uspi->s_fpb);
1020 } 1005 }
1021 1006
1022 static void free_branch_tail(struct inode *in 1007 static void free_branch_tail(struct inode *inode, unsigned from, struct ufs_buffer_head *ubh, int depth)
1023 { 1008 {
1024 struct super_block *sb = inode->i_sb; 1009 struct super_block *sb = inode->i_sb;
1025 struct ufs_sb_private_info *uspi = UF 1010 struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
1026 unsigned i; 1011 unsigned i;
1027 1012
1028 if (--depth) { 1013 if (--depth) {
1029 for (i = from; i < uspi->s_ap 1014 for (i = from; i < uspi->s_apb ; i++) {
1030 void *p = ubh_get_dat 1015 void *p = ubh_get_data_ptr(uspi, ubh, i);
1031 u64 block = ufs_data_ 1016 u64 block = ufs_data_ptr_to_cpu(sb, p);
1032 if (block) { 1017 if (block) {
1033 write_seqlock 1018 write_seqlock(&UFS_I(inode)->meta_lock);
1034 ufs_data_ptr_ 1019 ufs_data_ptr_clear(uspi, p);
1035 write_sequnlo 1020 write_sequnlock(&UFS_I(inode)->meta_lock);
1036 ubh_mark_buff 1021 ubh_mark_buffer_dirty(ubh);
1037 free_full_bra 1022 free_full_branch(inode, block, depth);
1038 } 1023 }
1039 } 1024 }
1040 } else { 1025 } else {
1041 struct to_free ctx = {.inode 1026 struct to_free ctx = {.inode = inode};
1042 1027
1043 for (i = from; i < uspi->s_ap 1028 for (i = from; i < uspi->s_apb; i++) {
1044 void *p = ubh_get_dat 1029 void *p = ubh_get_data_ptr(uspi, ubh, i);
1045 u64 block = ufs_data_ 1030 u64 block = ufs_data_ptr_to_cpu(sb, p);
1046 if (block) { 1031 if (block) {
1047 write_seqlock 1032 write_seqlock(&UFS_I(inode)->meta_lock);
1048 ufs_data_ptr_ 1033 ufs_data_ptr_clear(uspi, p);
1049 write_sequnlo 1034 write_sequnlock(&UFS_I(inode)->meta_lock);
1050 ubh_mark_buff 1035 ubh_mark_buffer_dirty(ubh);
1051 free_data(&ct 1036 free_data(&ctx, block, uspi->s_fpb);
1052 } 1037 }
1053 } 1038 }
1054 free_data(&ctx, 0, 0); 1039 free_data(&ctx, 0, 0);
1055 } 1040 }
1056 if (IS_SYNC(inode) && ubh_buffer_dirt 1041 if (IS_SYNC(inode) && ubh_buffer_dirty(ubh))
1057 ubh_sync_block(ubh); 1042 ubh_sync_block(ubh);
1058 ubh_brelse(ubh); 1043 ubh_brelse(ubh);
1059 } 1044 }
1060 1045
1061 static int ufs_alloc_lastblock(struct inode * 1046 static int ufs_alloc_lastblock(struct inode *inode, loff_t size)
1062 { 1047 {
1063 int err = 0; 1048 int err = 0;
1064 struct super_block *sb = inode->i_sb; 1049 struct super_block *sb = inode->i_sb;
1065 struct address_space *mapping = inode 1050 struct address_space *mapping = inode->i_mapping;
1066 struct ufs_sb_private_info *uspi = UF 1051 struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
1067 unsigned i, end; 1052 unsigned i, end;
1068 sector_t lastfrag; 1053 sector_t lastfrag;
1069 struct folio *folio; !! 1054 struct page *lastpage;
1070 struct buffer_head *bh; 1055 struct buffer_head *bh;
1071 u64 phys64; 1056 u64 phys64;
1072 1057
1073 lastfrag = (size + uspi->s_fsize - 1) 1058 lastfrag = (size + uspi->s_fsize - 1) >> uspi->s_fshift;
1074 1059
1075 if (!lastfrag) 1060 if (!lastfrag)
1076 goto out; 1061 goto out;
1077 1062
1078 lastfrag--; 1063 lastfrag--;
1079 1064
1080 folio = ufs_get_locked_folio(mapping, !! 1065 lastpage = ufs_get_locked_page(mapping, lastfrag >>
1081 (PAGE_ 1066 (PAGE_SHIFT - inode->i_blkbits));
1082 if (IS_ERR(folio)) { !! 1067 if (IS_ERR(lastpage)) {
1083 err = -EIO; !! 1068 err = -EIO;
1084 goto out; !! 1069 goto out;
1085 } !! 1070 }
>> 1071
>> 1072 end = lastfrag & ((1 << (PAGE_SHIFT - inode->i_blkbits)) - 1);
>> 1073 bh = page_buffers(lastpage);
>> 1074 for (i = 0; i < end; ++i)
>> 1075 bh = bh->b_this_page;
1086 1076
1087 end = lastfrag & ((1 << (PAGE_SHIFT - <<
1088 bh = folio_buffers(folio); <<
1089 for (i = 0; i < end; ++i) <<
1090 bh = bh->b_this_page; <<
1091 1077
1092 err = ufs_getfrag_block(inode, lastfra 1078 err = ufs_getfrag_block(inode, lastfrag, bh, 1);
1093 1079
1094 if (unlikely(err)) 1080 if (unlikely(err))
1095 goto out_unlock; 1081 goto out_unlock;
1096 1082
1097 if (buffer_new(bh)) { 1083 if (buffer_new(bh)) {
1098 clear_buffer_new(bh); 1084 clear_buffer_new(bh);
1099 clean_bdev_bh_alias(bh); 1085 clean_bdev_bh_alias(bh);
1100 /* 1086 /*
1101 * we do not zeroize fragment, 1087 * we do not zeroize fragment, because of
1102 * if it maped to hole, it alr 1088 * if it maped to hole, it already contains zeroes
1103 */ 1089 */
1104 set_buffer_uptodate(bh); 1090 set_buffer_uptodate(bh);
1105 mark_buffer_dirty(bh); 1091 mark_buffer_dirty(bh);
1106 folio_mark_dirty(folio); !! 1092 set_page_dirty(lastpage);
1107 } 1093 }
1108 1094
1109 if (lastfrag >= UFS_IND_FRAGMENT) { 1095 if (lastfrag >= UFS_IND_FRAGMENT) {
1110 end = uspi->s_fpb - ufs_fragnu 1096 end = uspi->s_fpb - ufs_fragnum(lastfrag) - 1;
1111 phys64 = bh->b_blocknr + 1; 1097 phys64 = bh->b_blocknr + 1;
1112 for (i = 0; i < end; ++i) { 1098 for (i = 0; i < end; ++i) {
1113 bh = sb_getblk(sb, i + 1099 bh = sb_getblk(sb, i + phys64);
1114 lock_buffer(bh); 1100 lock_buffer(bh);
1115 memset(bh->b_data, 0, 1101 memset(bh->b_data, 0, sb->s_blocksize);
1116 set_buffer_uptodate(bh 1102 set_buffer_uptodate(bh);
1117 mark_buffer_dirty(bh); 1103 mark_buffer_dirty(bh);
1118 unlock_buffer(bh); 1104 unlock_buffer(bh);
1119 sync_dirty_buffer(bh); 1105 sync_dirty_buffer(bh);
1120 brelse(bh); 1106 brelse(bh);
1121 } 1107 }
1122 } 1108 }
1123 out_unlock: 1109 out_unlock:
1124 ufs_put_locked_folio(folio); !! 1110 ufs_put_locked_page(lastpage);
1125 out: 1111 out:
1126 return err; 1112 return err;
1127 } 1113 }
1128 1114
1129 static void ufs_truncate_blocks(struct inode 1115 static void ufs_truncate_blocks(struct inode *inode)
1130 { 1116 {
1131 struct ufs_inode_info *ufsi = UFS_I(i 1117 struct ufs_inode_info *ufsi = UFS_I(inode);
1132 struct super_block *sb = inode->i_sb; 1118 struct super_block *sb = inode->i_sb;
1133 struct ufs_sb_private_info *uspi = UF 1119 struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
1134 unsigned offsets[4]; 1120 unsigned offsets[4];
1135 int depth; 1121 int depth;
1136 int depth2; 1122 int depth2;
1137 unsigned i; 1123 unsigned i;
1138 struct ufs_buffer_head *ubh[3]; 1124 struct ufs_buffer_head *ubh[3];
1139 void *p; 1125 void *p;
1140 u64 block; 1126 u64 block;
1141 1127
1142 if (inode->i_size) { 1128 if (inode->i_size) {
1143 sector_t last = (inode->i_siz 1129 sector_t last = (inode->i_size - 1) >> uspi->s_bshift;
1144 depth = ufs_block_to_path(ino 1130 depth = ufs_block_to_path(inode, last, offsets);
1145 if (!depth) 1131 if (!depth)
1146 return; 1132 return;
1147 } else { 1133 } else {
1148 depth = 1; 1134 depth = 1;
1149 } 1135 }
1150 1136
1151 for (depth2 = depth - 1; depth2; dept 1137 for (depth2 = depth - 1; depth2; depth2--)
1152 if (offsets[depth2] != uspi-> 1138 if (offsets[depth2] != uspi->s_apb - 1)
1153 break; 1139 break;
1154 1140
1155 mutex_lock(&ufsi->truncate_mutex); 1141 mutex_lock(&ufsi->truncate_mutex);
1156 if (depth == 1) { 1142 if (depth == 1) {
1157 ufs_trunc_direct(inode); 1143 ufs_trunc_direct(inode);
1158 offsets[0] = UFS_IND_BLOCK; 1144 offsets[0] = UFS_IND_BLOCK;
1159 } else { 1145 } else {
1160 /* get the blocks that should 1146 /* get the blocks that should be partially emptied */
1161 p = ufs_get_direct_data_ptr(u 1147 p = ufs_get_direct_data_ptr(uspi, ufsi, offsets[0]++);
1162 for (i = 0; i < depth2; i++) 1148 for (i = 0; i < depth2; i++) {
1163 block = ufs_data_ptr_ 1149 block = ufs_data_ptr_to_cpu(sb, p);
1164 if (!block) 1150 if (!block)
1165 break; 1151 break;
1166 ubh[i] = ubh_bread(sb 1152 ubh[i] = ubh_bread(sb, block, uspi->s_bsize);
1167 if (!ubh[i]) { 1153 if (!ubh[i]) {
1168 write_seqlock 1154 write_seqlock(&ufsi->meta_lock);
1169 ufs_data_ptr_ 1155 ufs_data_ptr_clear(uspi, p);
1170 write_sequnlo 1156 write_sequnlock(&ufsi->meta_lock);
1171 break; 1157 break;
1172 } 1158 }
1173 p = ubh_get_data_ptr( 1159 p = ubh_get_data_ptr(uspi, ubh[i], offsets[i + 1]++);
1174 } 1160 }
1175 while (i--) 1161 while (i--)
1176 free_branch_tail(inod 1162 free_branch_tail(inode, offsets[i + 1], ubh[i], depth - i - 1);
1177 } 1163 }
1178 for (i = offsets[0]; i <= UFS_TIND_BL 1164 for (i = offsets[0]; i <= UFS_TIND_BLOCK; i++) {
1179 p = ufs_get_direct_data_ptr(u 1165 p = ufs_get_direct_data_ptr(uspi, ufsi, i);
1180 block = ufs_data_ptr_to_cpu(s 1166 block = ufs_data_ptr_to_cpu(sb, p);
1181 if (block) { 1167 if (block) {
1182 write_seqlock(&ufsi-> 1168 write_seqlock(&ufsi->meta_lock);
1183 ufs_data_ptr_clear(us 1169 ufs_data_ptr_clear(uspi, p);
1184 write_sequnlock(&ufsi 1170 write_sequnlock(&ufsi->meta_lock);
1185 free_full_branch(inod 1171 free_full_branch(inode, block, i - UFS_IND_BLOCK + 1);
1186 } 1172 }
1187 } 1173 }
1188 read_seqlock_excl(&ufsi->meta_lock); 1174 read_seqlock_excl(&ufsi->meta_lock);
1189 ufsi->i_lastfrag = DIRECT_FRAGMENT; 1175 ufsi->i_lastfrag = DIRECT_FRAGMENT;
1190 read_sequnlock_excl(&ufsi->meta_lock) 1176 read_sequnlock_excl(&ufsi->meta_lock);
1191 mark_inode_dirty(inode); 1177 mark_inode_dirty(inode);
1192 mutex_unlock(&ufsi->truncate_mutex); 1178 mutex_unlock(&ufsi->truncate_mutex);
1193 } 1179 }
1194 1180
1195 static int ufs_truncate(struct inode *inode, 1181 static int ufs_truncate(struct inode *inode, loff_t size)
1196 { 1182 {
1197 int err = 0; 1183 int err = 0;
1198 1184
1199 UFSD("ENTER: ino %lu, i_size: %llu, o 1185 UFSD("ENTER: ino %lu, i_size: %llu, old_i_size: %llu\n",
1200 inode->i_ino, (unsigned long lon 1186 inode->i_ino, (unsigned long long)size,
1201 (unsigned long long)i_size_read( 1187 (unsigned long long)i_size_read(inode));
1202 1188
1203 if (!(S_ISREG(inode->i_mode) || S_ISD 1189 if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
1204 S_ISLNK(inode->i_mode))) 1190 S_ISLNK(inode->i_mode)))
1205 return -EINVAL; 1191 return -EINVAL;
1206 if (IS_APPEND(inode) || IS_IMMUTABLE( 1192 if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
1207 return -EPERM; 1193 return -EPERM;
1208 1194
1209 err = ufs_alloc_lastblock(inode, size 1195 err = ufs_alloc_lastblock(inode, size);
1210 1196
1211 if (err) 1197 if (err)
1212 goto out; 1198 goto out;
1213 1199
1214 block_truncate_page(inode->i_mapping, 1200 block_truncate_page(inode->i_mapping, size, ufs_getfrag_block);
1215 1201
1216 truncate_setsize(inode, size); 1202 truncate_setsize(inode, size);
1217 1203
1218 ufs_truncate_blocks(inode); 1204 ufs_truncate_blocks(inode);
1219 inode_set_mtime_to_ts(inode, inode_se !! 1205 inode->i_mtime = inode->i_ctime = current_time(inode);
1220 mark_inode_dirty(inode); 1206 mark_inode_dirty(inode);
1221 out: 1207 out:
1222 UFSD("EXIT: err %d\n", err); 1208 UFSD("EXIT: err %d\n", err);
1223 return err; 1209 return err;
1224 } 1210 }
1225 1211
1226 int ufs_setattr(struct mnt_idmap *idmap, stru !! 1212 int ufs_setattr(struct dentry *dentry, struct iattr *attr)
1227 struct iattr *attr) <<
1228 { 1213 {
1229 struct inode *inode = d_inode(dentry) 1214 struct inode *inode = d_inode(dentry);
1230 unsigned int ia_valid = attr->ia_vali 1215 unsigned int ia_valid = attr->ia_valid;
1231 int error; 1216 int error;
1232 1217
1233 error = setattr_prepare(&nop_mnt_idma !! 1218 error = setattr_prepare(dentry, attr);
1234 if (error) 1219 if (error)
1235 return error; 1220 return error;
1236 1221
1237 if (ia_valid & ATTR_SIZE && attr->ia_ 1222 if (ia_valid & ATTR_SIZE && attr->ia_size != inode->i_size) {
1238 error = ufs_truncate(inode, a 1223 error = ufs_truncate(inode, attr->ia_size);
1239 if (error) 1224 if (error)
1240 return error; 1225 return error;
1241 } 1226 }
1242 1227
1243 setattr_copy(&nop_mnt_idmap, inode, a !! 1228 setattr_copy(inode, attr);
1244 mark_inode_dirty(inode); 1229 mark_inode_dirty(inode);
1245 return 0; 1230 return 0;
1246 } 1231 }
1247 1232
1248 const struct inode_operations ufs_file_inode_ 1233 const struct inode_operations ufs_file_inode_operations = {
1249 .setattr = ufs_setattr, 1234 .setattr = ufs_setattr,
1250 }; 1235 };
1251 1236
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