Re: [PATCH 01/10] fs: Separate out kiocb flags setup based on RWF_* flags
From: Jan Kara <jack@suse.cz>
Date: 2017-05-25 08:16:22
Also in:
linux-api, linux-btrfs, linux-ext4, linux-fsdevel, linux-xfs
On Wed 24-05-17 11:41:41, Goldwyn Rodrigues wrote:
From: Goldwyn Rodrigues <redacted> Signed-off-by: Goldwyn Rodrigues <redacted> Reviewed-by: Christoph Hellwig <hch@lst.de>
Looks good. You can add: Reviewed-by: Jan Kara <jack@suse.cz> Honza
quoted hunk ↗ jump to hunk
--- fs/read_write.c | 12 +++--------- include/linux/fs.h | 14 ++++++++++++++ 2 files changed, 17 insertions(+), 9 deletions(-)diff --git a/fs/read_write.c b/fs/read_write.c index 47c1d4484df9..53c816c61122 100644 --- a/fs/read_write.c +++ b/fs/read_write.c@@ -678,16 +678,10 @@ static ssize_t do_iter_readv_writev(struct file *filp, struct iov_iter *iter, struct kiocb kiocb; ssize_t ret; - if (flags & ~(RWF_HIPRI | RWF_DSYNC | RWF_SYNC)) - return -EOPNOTSUPP; - init_sync_kiocb(&kiocb, filp); - if (flags & RWF_HIPRI) - kiocb.ki_flags |= IOCB_HIPRI; - if (flags & RWF_DSYNC) - kiocb.ki_flags |= IOCB_DSYNC; - if (flags & RWF_SYNC) - kiocb.ki_flags |= (IOCB_DSYNC | IOCB_SYNC); + ret = kiocb_set_rw_flags(&kiocb, flags); + if (ret) + return ret; kiocb.ki_pos = *ppos; if (type == READ)diff --git a/include/linux/fs.h b/include/linux/fs.h index 803e5a9b2654..f53867140f43 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h@@ -3056,6 +3056,20 @@ 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_HIPRI | RWF_DSYNC | RWF_SYNC))) + 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;-- 2.12.0
-- Jan Kara [off-list ref] SUSE Labs, CR