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| author | Christoph Hellwig | 2016-04-07 17:52:03 +0200 |
|---|---|---|
| committer | Al Viro | 2016-05-02 01:58:39 +0200 |
| commit | e864f39569f4092c2b2bc72c773b6e486c7e3bd9 (patch) | |
| tree | 4e2cadd87c25718956f26f11771ae9bf669ab380 /include/uapi/linux/fs.h | |
| parent | ceph: use generic_write_sync (diff) | |
| download | kernel-qcow2-linux-e864f39569f4092c2b2bc72c773b6e486c7e3bd9.tar.gz kernel-qcow2-linux-e864f39569f4092c2b2bc72c773b6e486c7e3bd9.tar.xz kernel-qcow2-linux-e864f39569f4092c2b2bc72c773b6e486c7e3bd9.zip | |
fs: add RWF_DSYNC aand RWF_SYNC
This is the per-I/O equivalent of O_DSYNC and O_SYNC, and very useful for
all kinds of file servers and storage targets.
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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h index a079d50376e1..e21fe04acc12 100644 --- a/include/uapi/linux/fs.h +++ b/include/uapi/linux/fs.h @@ -324,5 +324,7 @@ struct fscrypt_policy { /* 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 */ #endif /* _UAPI_LINUX_FS_H */ |