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fs: Separate out kiocb flags setup based on RWF_* flags

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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>
This commit is contained in:
Goldwyn Rodrigues 2017-06-20 07:05:40 -05:00 • committed by Jens Axboe
parent 443bd90f2c
commit fdd2f5b7de
3 changed files with 19 additions and 9 deletions
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14
include/linux/fs.h
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@ -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;