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authorDavid Howells <dhowells@redhat.com>2015-02-25 14:07:25 +0000
committerDavid Howells <dhowells@redhat.com>2015-04-02 14:28:53 +0100
commit73c04a47bf79770fbe7f3cf515f5831fccab88ee (patch)
treec1356f4638ab71ae1f9490c2957b0e23d5e0de85
parent03cdd0e4b9a98ae995b81cd8f58e992ec3f44ae2 (diff)
FS-Cache: Fix cancellation of in-progress operation
Cancellation of an in-progress operation needs to update the relevant counters and start any operations that are pending waiting on this one. Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Steve Dickson <steved@redhat.com> Acked-by: Jeff Layton <jeff.layton@primarydata.com>
-rw-r--r--fs/fscache/operation.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c
index 9761df4fc2ab..b6bf5f399d70 100644
--- a/fs/fscache/operation.c
+++ b/fs/fscache/operation.c
@@ -365,6 +365,13 @@ int fscache_cancel_op(struct fscache_operation *op,
wake_up_bit(&op->flags, FSCACHE_OP_WAITING);
ret = 0;
} else if (op->state == FSCACHE_OP_ST_IN_PROGRESS && cancel_in_progress_op) {
+ ASSERTCMP(object->n_in_progress, >, 0);
+ if (test_bit(FSCACHE_OP_EXCLUSIVE, &op->flags))
+ object->n_exclusive--;
+ object->n_in_progress--;
+ if (object->n_in_progress == 0)
+ fscache_start_operations(object);
+
fscache_stat(&fscache_n_op_cancelled);
if (do_cancel)
do_cancel(op);