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authorGoldwyn Rodrigues2017-06-20 07:05:40 -0500
committerJens Axboe2017-06-20 07:12:03 -0600
commitfdd2f5b7de2afaa931e5f7bad7bcda35d1f1b479 (patch)
tree2774b3a9c34b3529c8efef0842b4fbd71583c2fc /include
parent443bd90f2cca9dec3db9ef9460a9c2a6f095f789 (diff)
fs: Separate out kiocb flags setup based on RWF_* flags
Also added RWF_SUPPORTED to encompass all flags. Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include')
-rw-r--r--include/linux/fs.h14
-rw-r--r--include/uapi/linux/fs.h2
2 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 023f0324762b..96a1a1fa54a9 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -3057,6 +3057,20 @@ static inline int iocb_flags(struct file *file)
return res;
}
+static inline int kiocb_set_rw_flags(struct kiocb *ki, int flags)
+{
+ if (unlikely(flags & ~RWF_SUPPORTED))
+ return -EOPNOTSUPP;
+
+ if (flags & RWF_HIPRI)
+ ki->ki_flags |= IOCB_HIPRI;
+ if (flags & RWF_DSYNC)
+ ki->ki_flags |= IOCB_DSYNC;
+ if (flags & RWF_SYNC)
+ ki->ki_flags |= (IOCB_DSYNC | IOCB_SYNC);
+ return 0;
+}
+
static inline ino_t parent_ino(struct dentry *dentry)
{
ino_t res;
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index 24e61a54feaa..937c3e39650a 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -361,4 +361,6 @@ struct fscrypt_key {
#define RWF_DSYNC 0x00000002 /* per-IO O_DSYNC */
#define RWF_SYNC 0x00000004 /* per-IO O_SYNC */
+#define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC)
+
#endif /* _UAPI_LINUX_FS_H */