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| author | Andrew Morton <akpm@osdl.org> | 2006-10-11 01:21:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-11 11:14:22 -0700 |
| commit | 8258d4a574d3a8c01f0ef68aa26b969398a0e140 (patch) | |
| tree | b3b3e062f340f0bbddd166358a7adebe6099574a /mm | |
| parent | beed33a816204cb402c69266475b6a60a2433ceb (diff) | |
| download | lwn-8258d4a574d3a8c01f0ef68aa26b969398a0e140.tar.gz lwn-8258d4a574d3a8c01f0ef68aa26b969398a0e140.zip | |
[PATCH] invalidate_inode_pages2_range() debug
A failure in invalidate_inode_pages2_range() can result in unpleasant things
happening in NFS (at least). Stick a WARN_ON_ONCE() in there so we can find
out if it happens, and maybe why.
(akpm: might be a -mm-only patch, we'll see..)
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Steve Dickson <SteveD@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/truncate.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/truncate.c b/mm/truncate.c index f4edbc179d14..fca28839c46e 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -396,6 +396,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping, pagevec_release(&pvec); cond_resched(); } + WARN_ON_ONCE(ret); return ret; } EXPORT_SYMBOL_GPL(invalidate_inode_pages2_range); |