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NFS: Ensure we immediately start writeback on rescheduled writes 

If the writes are being rescheduled due to a pNFS error, then we really
want to immediately start a new flush. The O_DIRECT code already does
this, so we only need to worry about buffered writes.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2018-07-04 21:01:16 -04:00
parent bd3d16a887
commit 7be7b3ca16
1 changed files with 2 additions and 0 deletions
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2
fs/nfs/write.c
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@ -1406,6 +1406,8 @@ static void nfs_async_write_error(struct list_head *head)
static void nfs_async_write_reschedule_io(struct nfs_pgio_header *hdr) static void nfs_async_write_reschedule_io(struct nfs_pgio_header *hdr)
{ {
nfs_async_write_error(&hdr->pages); nfs_async_write_error(&hdr->pages);
filemap_fdatawrite_range(hdr->inode->i_mapping, hdr->args.offset,
hdr->args.offset + hdr->args.count - 1);
} }
static const struct nfs_pgio_completion_ops nfs_async_write_completion_ops = { static const struct nfs_pgio_completion_ops nfs_async_write_completion_ops = {