diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-12-18 22:39:13 +0300 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2018-06-17 00:21:52 +0300 |
| commit | 76e06dfa541e887359f3fc32936c3e6a956a1261 (patch) | |
| tree | 9cfabb91ad7448d182c0604056cf92931d91f481 /fs/nfs/write.c | |
| parent | 085f09ec539489107bae7ada0bf2d3ea75734a30 (diff) | |
| download | linux-76e06dfa541e887359f3fc32936c3e6a956a1261.tar.xz | |
NFS: Add a cond_resched() to nfs_commit_release_pages()
commit 7f1bda447c9bd48b415acedba6b830f61591601f upstream.
The commit list can get very large, and so we need a cond_resched()
in nfs_commit_release_pages() in order to ensure we don't hog the CPU
for excessive periods of time.
Reported-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'fs/nfs/write.c')
| -rw-r--r-- | fs/nfs/write.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 34f18294817a..c66d59f1bd06 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -1661,6 +1661,8 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data) set_bit(NFS_CONTEXT_RESEND_WRITES, &req->wb_context->flags); next: nfs_unlock_and_release_request(req); + /* Latency breaker */ + cond_resched(); } nfs_init_cinfo(&cinfo, data->inode, data->dreq); if (atomic_dec_and_test(&cinfo.mds->rpcs_out)) |