diff options
| author |   Benjamin Coddington <bcodding@redhat.com> | 2021-11-16 10:48:13 -0500 |
|---|---|---|
| committer |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-11-17 14:08:23 -0500 |
| commit | 3f015d89a47cd8855cd92f71fff770095bd885a1 (patch) | |
| tree | 7390d3eefdd64a214081ccd41065f1503b0b21d4 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | NFS: Add a tracepoint to show the results of nfs_set_cache_invalid() (diff) | |
| download | linux-dev-3f015d89a47cd8855cd92f71fff770095bd885a1.tar.xz linux-dev-3f015d89a47cd8855cd92f71fff770095bd885a1.zip | |
NFSv42: Fix pagecache invalidation after COPY/CLONE
The mechanism in use to allow the client to see the results of COPY/CLONE
is to drop those pages from the pagecache. This forces the client to read
those pages once more from the server. However, truncate_pagecache_range()
zeros out partial pages instead of dropping them. Let us instead use
invalidate_inode_pages2_range() with full-page offsets to ensure the client
properly sees the results of COPY/CLONE operations.
Cc: <stable@vger.kernel.org> # v4.7+
Fixes: 2e72448b07dc ("NFS: Add COPY nfs operation")
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions