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TOMOYO Linux Cross Reference
Linux/io_uring/opdef.h

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Diff markup

Differences between /io_uring/opdef.h (Version linux-6.11.5) and /io_uring/opdef.h (Version linux-6.3.13)


  1 // SPDX-License-Identifier: GPL-2.0                 1 // SPDX-License-Identifier: GPL-2.0
  2 #ifndef IOU_OP_DEF_H                                2 #ifndef IOU_OP_DEF_H
  3 #define IOU_OP_DEF_H                                3 #define IOU_OP_DEF_H
  4                                                     4 
  5 struct io_issue_def {                               5 struct io_issue_def {
  6         /* needs req->file assigned */              6         /* needs req->file assigned */
  7         unsigned                needs_file : 1      7         unsigned                needs_file : 1;
  8         /* should block plug */                     8         /* should block plug */
  9         unsigned                plug : 1;           9         unsigned                plug : 1;
 10         /* hash wq insertion if file is a regu     10         /* hash wq insertion if file is a regular file */
 11         unsigned                hash_reg_file      11         unsigned                hash_reg_file : 1;
 12         /* unbound wq insertion if file is a n     12         /* unbound wq insertion if file is a non-regular file */
 13         unsigned                unbound_nonreg     13         unsigned                unbound_nonreg_file : 1;
 14         /* set if opcode supports polled "wait     14         /* set if opcode supports polled "wait" */
 15         unsigned                pollin : 1;        15         unsigned                pollin : 1;
 16         unsigned                pollout : 1;       16         unsigned                pollout : 1;
 17         unsigned                poll_exclusive     17         unsigned                poll_exclusive : 1;
 18         /* op supports buffer selection */         18         /* op supports buffer selection */
 19         unsigned                buffer_select      19         unsigned                buffer_select : 1;
                                                   >>  20         /* opcode is not supported by this kernel */
                                                   >>  21         unsigned                not_supported : 1;
 20         /* skip auditing */                        22         /* skip auditing */
 21         unsigned                audit_skip : 1     23         unsigned                audit_skip : 1;
 22         /* supports ioprio */                      24         /* supports ioprio */
 23         unsigned                ioprio : 1;        25         unsigned                ioprio : 1;
 24         /* supports iopoll */                      26         /* supports iopoll */
 25         unsigned                iopoll : 1;        27         unsigned                iopoll : 1;
 26         /* have to be put into the iopoll list     28         /* have to be put into the iopoll list */
 27         unsigned                iopoll_queue :     29         unsigned                iopoll_queue : 1;
 28         /* vectored opcode, set if 1) vectored !!  30         /* opcode specific path will handle ->async_data allocation if needed */
 29         unsigned                vectored : 1;  !!  31         unsigned                manual_alloc : 1;
 30                                                << 
 31         /* size of async data needed, if any * << 
 32         unsigned short          async_size;    << 
 33                                                    32 
 34         int (*issue)(struct io_kiocb *, unsign     33         int (*issue)(struct io_kiocb *, unsigned int);
 35         int (*prep)(struct io_kiocb *, const s     34         int (*prep)(struct io_kiocb *, const struct io_uring_sqe *);
 36 };                                                 35 };
 37                                                    36 
 38 struct io_cold_def {                               37 struct io_cold_def {
                                                   >>  38         /* size of async data needed, if any */
                                                   >>  39         unsigned short          async_size;
                                                   >>  40 
 39         const char              *name;             41         const char              *name;
 40                                                    42 
                                                   >>  43         int (*prep_async)(struct io_kiocb *);
 41         void (*cleanup)(struct io_kiocb *);        44         void (*cleanup)(struct io_kiocb *);
 42         void (*fail)(struct io_kiocb *);           45         void (*fail)(struct io_kiocb *);
 43 };                                                 46 };
 44                                                    47 
 45 extern const struct io_issue_def io_issue_defs     48 extern const struct io_issue_def io_issue_defs[];
 46 extern const struct io_cold_def io_cold_defs[]     49 extern const struct io_cold_def io_cold_defs[];
 47                                                << 
 48 bool io_uring_op_supported(u8 opcode);         << 
 49                                                    50 
 50 void io_uring_optable_init(void);                  51 void io_uring_optable_init(void);
 51 #endif                                             52 #endif
 52                                                    53 

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