From 73c04a47bf79770fbe7f3cf515f5831fccab88ee Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 25 Feb 2015 14:07:25 +0000 Subject: 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 Reviewed-by: Steve Dickson Acked-by: Jeff Layton --- fs/fscache/operation.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'fs') 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); -- cgit v1.2.3