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| author | Akshat Aranya <aranya@nec-labs.com> | 2011-01-14 16:00:47 +0000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-14 09:23:36 -0800 |
| commit | ba28b93a5227cc69ec811507f7d85ac25fa20fe2 (patch) | |
| tree | 1ae3a8d6b19528277f5a622705b633a43f5218b8 /fs | |
| parent | acda4721ae876dedab3fef04bbd8020bfa67ff0a (diff) | |
| download | linux-ba28b93a5227cc69ec811507f7d85ac25fa20fe2.tar.gz linux-ba28b93a5227cc69ec811507f7d85ac25fa20fe2.tar.bz2 linux-ba28b93a5227cc69ec811507f7d85ac25fa20fe2.zip | |
FS-Cache: Fix operation handling
fscache_submit_exclusive_op() adds an operation to the pending list if
other operations are pending. Fix the check for pending ops as n_ops
must be greater than 0 at the point it is checked as it is incremented
immediately before under lock.
Signed-off-by: Akshat Aranya <aranya@nec-labs.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/fscache/operation.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c index b9f34eaede09..48a18f184d50 100644 --- a/fs/fscache/operation.c +++ b/fs/fscache/operation.c @@ -101,7 +101,7 @@ int fscache_submit_exclusive_op(struct fscache_object *object, object->n_ops++; object->n_exclusive++; /* reads and writes must wait */ - if (object->n_ops > 0) { + if (object->n_ops > 1) { atomic_inc(&op->usage); list_add_tail(&op->pend_link, &object->pending_ops); fscache_stat(&fscache_n_op_pend); |