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iomap: update ki_pos in iomap_file_buffered_write 

All callers of iomap_file_buffered_write need to updated ki_pos, move it
into common code.

Link: https://lkml.kernel.org/r/20230601145904.1385409-8-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Acked-by: Damien Le Moal <dlemoal@kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Anna Schumaker <anna@kernel.org>
Cc: Chao Yu <chao@kernel.org>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2023-06-01 16:58:59 +02:00 committed by Andrew Morton
parent c402a9a943
commit 219580eea1
4 changed files with 8 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/gfs2/file.c
View File

@ -1044,10 +1044,8 @@ retry:
pagefault_disable();
ret = iomap_file_buffered_write(iocb, from, &gfs2_iomap_ops);
pagefault_enable();
if (ret > 0) {
iocb->ki_pos += ret;
if (ret > 0)
written += ret;
}
if (inode == sdp->sd_rindex)
gfs2_glock_dq_uninit(statfs_gh);

9
fs/iomap/buffered-io.c
View File

@ -864,16 +864,19 @@ iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *i,
.len = iov_iter_count(i),
.flags = IOMAP_WRITE,
};
int ret;
ssize_t ret;
if (iocb->ki_flags & IOCB_NOWAIT)
iter.flags |= IOMAP_NOWAIT;
while ((ret = iomap_iter(&iter, ops)) > 0)
iter.processed = iomap_write_iter(&iter, i);
if (iter.pos == iocb->ki_pos)
if (unlikely(ret < 0))
return ret;
return iter.pos - iocb->ki_pos;
ret = iter.pos - iocb->ki_pos;
iocb->ki_pos += ret;
return ret;
}
EXPORT_SYMBOL_GPL(iomap_file_buffered_write);

2
fs/xfs/xfs_file.c
View File

@ -720,8 +720,6 @@ write_retry:
trace_xfs_file_buffered_write(iocb, from);
ret = iomap_file_buffered_write(iocb, from,
&xfs_buffered_write_iomap_ops);
if (likely(ret >= 0))
iocb->ki_pos += ret;
/*
* If we hit a space limit, try to free up some lingering preallocated

4
fs/zonefs/file.c
View File

@ -643,9 +643,7 @@ static ssize_t zonefs_file_buffered_write(struct kiocb *iocb,
goto inode_unlock;
ret = iomap_file_buffered_write(iocb, from, &zonefs_write_iomap_ops);
if (ret > 0)
iocb->ki_pos += ret;
else if (ret == -EIO)
if (ret == -EIO)
zonefs_io_error(inode, true);
inode_unlock: