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annotate RWF_... flags

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[AV: added missing annotations in syscalls.h/compat.h]

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig 2017-07-06 18:58:37 +02:00 • committed by Al Viro
parent 4f59c71852
commit ddef7ed2b5
7 changed files with 79 additions and 52 deletions
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26
include/uapi/linux/fs.h
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@ -358,13 +358,25 @@ struct fscrypt_key {
#define SYNC_FILE_RANGE_WRITE 2
#define SYNC_FILE_RANGE_WAIT_AFTER 4
/* flags for preadv2/pwritev2: */
#define RWF_HIPRI 0x00000001 /* high priority request, poll if possible */
#define RWF_DSYNC 0x00000002 /* per-IO O_DSYNC */
#define RWF_SYNC 0x00000004 /* per-IO O_SYNC */
#define RWF_NOWAIT 0x00000008 /* per-IO, return -EAGAIN if operation would block */
/*
* Flags for preadv2/pwritev2:
*/
#define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC |\
RWF_NOWAIT)
typedef int __bitwise __kernel_rwf_t;
/* high priority request, poll if possible */
#define RWF_HIPRI ((__force __kernel_rwf_t)0x00000001)
/* per-IO O_DSYNC */
#define RWF_DSYNC ((__force __kernel_rwf_t)0x00000002)
/* per-IO O_SYNC */
#define RWF_SYNC ((__force __kernel_rwf_t)0x00000004)
/* per-IO, return -EAGAIN if operation would block */
#define RWF_NOWAIT ((__force __kernel_rwf_t)0x00000008)
/* mask of flags supported by the kernel */
#define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC | RWF_NOWAIT)
#endif /* _UAPI_LINUX_FS_H */