1 // SPDX-License-Identifier: GPL-2.0 1
2
3 #include "messages.h"
4 #include "ctree.h"
5 #include "fs.h"
6 #include "accessors.h"
7
8 void __btrfs_set_fs_incompat(struct btrfs_fs_i
9 const char *name)
10 {
11 struct btrfs_super_block *disk_super;
12 u64 features;
13
14 disk_super = fs_info->super_copy;
15 features = btrfs_super_incompat_flags(
16 if (!(features & flag)) {
17 spin_lock(&fs_info->super_lock
18 features = btrfs_super_incompa
19 if (!(features & flag)) {
20 features |= flag;
21 btrfs_set_super_incomp
22 btrfs_info(fs_info,
23 "setting incom
24 name, flag);
25 }
26 spin_unlock(&fs_info->super_lo
27 set_bit(BTRFS_FS_FEATURE_CHANG
28 }
29 }
30
31 void __btrfs_clear_fs_incompat(struct btrfs_fs
32 const char *nam
33 {
34 struct btrfs_super_block *disk_super;
35 u64 features;
36
37 disk_super = fs_info->super_copy;
38 features = btrfs_super_incompat_flags(
39 if (features & flag) {
40 spin_lock(&fs_info->super_lock
41 features = btrfs_super_incompa
42 if (features & flag) {
43 features &= ~flag;
44 btrfs_set_super_incomp
45 btrfs_info(fs_info,
46 "clearing inco
47 name, flag);
48 }
49 spin_unlock(&fs_info->super_lo
50 set_bit(BTRFS_FS_FEATURE_CHANG
51 }
52 }
53
54 void __btrfs_set_fs_compat_ro(struct btrfs_fs_
55 const char *name
56 {
57 struct btrfs_super_block *disk_super;
58 u64 features;
59
60 disk_super = fs_info->super_copy;
61 features = btrfs_super_compat_ro_flags
62 if (!(features & flag)) {
63 spin_lock(&fs_info->super_lock
64 features = btrfs_super_compat_
65 if (!(features & flag)) {
66 features |= flag;
67 btrfs_set_super_compat
68 btrfs_info(fs_info,
69 "setting compa
70 name, flag);
71 }
72 spin_unlock(&fs_info->super_lo
73 set_bit(BTRFS_FS_FEATURE_CHANG
74 }
75 }
76
77 void __btrfs_clear_fs_compat_ro(struct btrfs_f
78 const char *na
79 {
80 struct btrfs_super_block *disk_super;
81 u64 features;
82
83 disk_super = fs_info->super_copy;
84 features = btrfs_super_compat_ro_flags
85 if (features & flag) {
86 spin_lock(&fs_info->super_lock
87 features = btrfs_super_compat_
88 if (features & flag) {
89 features &= ~flag;
90 btrfs_set_super_compat
91 btrfs_info(fs_info,
92 "clearing comp
93 name, flag);
94 }
95 spin_unlock(&fs_info->super_lo
96 set_bit(BTRFS_FS_FEATURE_CHANG
97 }
98 }
99
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