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NFS: Work correctly with single-page ->writepage() calls 

Ensure that we always initiate flushing of data before we exit
 a single-page ->writepage() call.

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2006-01-03 09:55:02 +01:00
parent 22905f775d
commit abd3e641d5
1 changed files with 5 additions and 11 deletions
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16
fs/nfs/write.c
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@ -232,19 +232,16 @@ static int nfs_writepage_async(struct nfs_open_context *ctx,
unsigned int offset, unsigned int count)
{
struct nfs_page *req;
int status;
req = nfs_update_request(ctx, inode, page, offset, count);
status = (IS_ERR(req)) ? PTR_ERR(req) : 0;
if (status < 0)
goto out;
if (IS_ERR(req))
return PTR_ERR(req);
/* Update file length */
nfs_grow_file(page, offset, count);
/* Set the PG_uptodate flag? */
nfs_mark_uptodate(page, offset, count);
nfs_unlock_request(req);
out:
return status;
return 0;
}
static int wb_priority(struct writeback_control *wbc)
@ -304,11 +301,8 @@ do_it:
lock_kernel();
if (!IS_SYNC(inode) && inode_referenced) {
err = nfs_writepage_async(ctx, inode, page, 0, offset);
if (err >= 0) {
err = 0;
if (wbc->for_reclaim)
nfs_flush_inode(inode, 0, 0, FLUSH_STABLE);
}
if (!wbc->for_writepages)
nfs_flush_inode(inode, 0, 0, wb_priority(wbc));
} else {
err = nfs_writepage_sync(ctx, inode, page, 0,
offset, priority);