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authorTrond Myklebust <trond.myklebust@hammerspace.com>2019-07-18 15:33:42 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2019-07-18 15:33:42 -0400
commit58bbeab425c6c5e318f5b6ae31d351331ddfb34b (patch)
tree2f59406cf2d41b31d5b3c7e761b9d14185ab3b79 /fs/nfs
parentf554af280a80a49412acdd26a6371963f4741e70 (diff)
pnfs: Fix a problem where we gratuitously start doing I/O through the MDS
If the client has to stop in pnfs_update_layout() to wait for another layoutget to complete, it currently exits and defaults to I/O through the MDS if the layoutget was successful. Fixes: d03360aaf5cc ("pNFS: Ensure we return the error if someone kills...") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: stable@vger.kernel.org # v4.20+
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/pnfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 5b9145c62fd9..758917463700 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1890,7 +1890,7 @@ lookup_again:
spin_unlock(&ino->i_lock);
lseg = ERR_PTR(wait_var_event_killable(&lo->plh_outstanding,
!atomic_read(&lo->plh_outstanding)));
- if (IS_ERR(lseg) || !list_empty(&lo->plh_segs))
+ if (IS_ERR(lseg))
goto out_put_layout_hdr;
pnfs_put_layout_hdr(lo);
goto lookup_again;