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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-02-13 09:21:38 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-02-20 15:14:20 -0500 |
| commit | f57dcf4c72113c745d83f1c65f7291299f65c14f (patch) | |
| tree | c4a41e683e8eb2fc343a524b1a92d9e2421cda2f /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 2137397c92aec3713fa10be3c9b830f9a1674e60 (diff) | |
NFS: Fix I/O request leakages
When we fail to add the request to the I/O queue, we currently leave it
to the caller to free the failed request. However since some of the
requests that fail are actually created by nfs_pageio_add_request()
itself, and are not passed back the caller, this leads to a leakage
issue, which can again cause page locks to leak.
This commit addresses the leakage by freeing the created requests on
error, using desc->pg_completion_ops->error_cleanup()
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Fixes: a7d42ddb30997 ("nfs: add mirroring support to pgio layer")
Cc: stable@vger.kernel.org # v4.0: c18b96a1b862: nfs: clean up rest of reqs
Cc: stable@vger.kernel.org # v4.0: d600ad1f2bdb: NFS41: pop some layoutget
Cc: stable@vger.kernel.org # v4.0+
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions