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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-08-01 23:29:29 +0200 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-08-15 17:54:48 +0200 |
| commit | 2ce209c42c01ca976ad680fea52a8e8b9a53643b (patch) | |
| tree | 1728cf3caf2430e3a4cd944228b31f084f577115 /fs/nfs/pagelist.c | |
| parent | NFSv4/pnfs: Replace pnfs_put_lseg_locked() with pnfs_put_lseg() (diff) | |
| download | linux-2ce209c42c01ca976ad680fea52a8e8b9a53643b.tar.xz linux-2ce209c42c01ca976ad680fea52a8e8b9a53643b.zip | |
NFS: Wait for requests that are locked on the commit list
If a request is on the commit list, but is locked, we will currently skip
it, which can lead to livelocking when the commit count doesn't reduce
to zero.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/pagelist.c')
| -rw-r--r-- | fs/nfs/pagelist.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index ec97c301899b..548ebc7256ff 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -434,6 +434,7 @@ void nfs_release_request(struct nfs_page *req) { kref_put(&req->wb_kref, nfs_page_group_destroy); } +EXPORT_SYMBOL_GPL(nfs_release_request); /** * nfs_wait_on_request - Wait for a request to complete. @@ -452,6 +453,7 @@ nfs_wait_on_request(struct nfs_page *req) return wait_on_bit_io(&req->wb_flags, PG_BUSY, TASK_UNINTERRUPTIBLE); } +EXPORT_SYMBOL_GPL(nfs_wait_on_request); /* * nfs_generic_pg_test - determine if requests can be coalesced |