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FS-Cache: Reduce cookie ref count if submit fails.
authorMilosz Tanski <milosz@adfin.com>
Wed, 13 Aug 2014 16:58:21 +0000 (12:58 -0400)
committerDavid Howells <dhowells@redhat.com>
Wed, 27 Aug 2014 14:29:34 +0000 (15:29 +0100)
commit920bce20d74817bdd8bfcbc28ecb1179c9e01081
tree5c11aa0cb02584c222b4e2b9e479effe95196026tree | snapshot (tar.gz zip)
parent9776de96e51565286da25c74d6f631abc50c63efcommit | diff
FS-Cache: Reduce cookie ref count if submit fails.

I've been seeing issues with disposing cookies under vma pressure. The symptom
is that the refcount gets out of sync. In this case we fail to decrement the
refcount if submit fails. I found this while auditing the error in and around
cookie operations.

Signed-off-by: Milosz Tanski <milosz@adfin.com>
Signed-off-by: David Howells <dhowells@redhat.com>
fs/fscache/object.c diff | blob | blame | history