diff options
Diffstat (limited to 'fs/fscache/operation.c')
| -rw-r--r-- | fs/fscache/operation.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c index 30afdfa7aec..c857ab824d6 100644 --- a/fs/fscache/operation.c +++ b/fs/fscache/operation.c @@ -340,8 +340,14 @@ void fscache_put_operation(struct fscache_operation *op) object = op->object; - if (test_bit(FSCACHE_OP_DEC_READ_CNT, &op->flags)) - atomic_dec(&object->n_reads); + if (test_bit(FSCACHE_OP_DEC_READ_CNT, &op->flags)) { + if (atomic_dec_and_test(&object->n_reads)) { + clear_bit(FSCACHE_COOKIE_WAITING_ON_READS, + &object->cookie->flags); + wake_up_bit(&object->cookie->flags, + FSCACHE_COOKIE_WAITING_ON_READS); + } + } /* now... we may get called with the object spinlock held, so we * complete the cleanup here only if we can immediately acquire the |