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| author |   Christoph Hellwig <hch@lst.de> | 2017-07-06 18:58:37 +0200 |
|---|---|---|
| committer |   Al Viro <viro@zeniv.linux.org.uk> | 2017-08-31 17:32:38 -0400 |
| commit | ddef7ed2b5cbafae692d1d580bb5a07808926a9c (patch) | |
| tree | b9cc72697712852cb7ef2c27bb1de6d126c2d61f /include/uapi/linux/fs.h | |
| parent | teach SYSCALL_DEFINE/COMPAT_SYSCALL_DEFINE to handle __bitwise arguments (diff) | |
| download | linux-dev-ddef7ed2b5cbafae692d1d580bb5a07808926a9c.tar.xz linux-dev-ddef7ed2b5cbafae692d1d580bb5a07808926a9c.zip | |
annotate RWF_... flags
[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>
Diffstat (limited to 'include/uapi/linux/fs.h')
| -rw-r--r-- | include/uapi/linux/fs.h | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h index b7495d05e8de..56235dddea7d 100644 --- a/include/uapi/linux/fs.h +++ b/include/uapi/linux/fs.h @@ -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 */ - -#define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC |\ - RWF_NOWAIT) +/* + * Flags for preadv2/pwritev2: + */ + +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 */ |