diff options
Diffstat (limited to 'fs/fscache/page.c')
-rw-r--r-- | fs/fscache/page.c | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/fs/fscache/page.c b/fs/fscache/page.c index 7db9752252ef..d1b23a67c031 100644 --- a/fs/fscache/page.c +++ b/fs/fscache/page.c @@ -213,7 +213,7 @@ int __fscache_attr_changed(struct fscache_cookie *cookie) return -ENOMEM; } - fscache_operation_init(op, fscache_attr_changed_op, NULL); + fscache_operation_init(op, fscache_attr_changed_op, NULL, NULL); op->flags = FSCACHE_OP_ASYNC | (1 << FSCACHE_OP_EXCLUSIVE) | (1 << FSCACHE_OP_UNUSE_COOKIE); @@ -249,6 +249,17 @@ nobufs: EXPORT_SYMBOL(__fscache_attr_changed); /* + * Handle cancellation of a pending retrieval op + */ +static void fscache_do_cancel_retrieval(struct fscache_operation *_op) +{ + struct fscache_retrieval *op = + container_of(_op, struct fscache_retrieval, op); + + atomic_set(&op->n_pages, 0); +} + +/* * release a retrieval op reference */ static void fscache_release_retrieval_op(struct fscache_operation *_op) @@ -285,7 +296,9 @@ static struct fscache_retrieval *fscache_alloc_retrieval( return NULL; } - fscache_operation_init(&op->op, NULL, fscache_release_retrieval_op); + fscache_operation_init(&op->op, NULL, + fscache_do_cancel_retrieval, + fscache_release_retrieval_op); op->op.flags = FSCACHE_OP_MYTHREAD | (1UL << FSCACHE_OP_WAITING) | (1UL << FSCACHE_OP_UNUSE_COOKIE); @@ -330,24 +343,12 @@ int fscache_wait_for_deferred_lookup(struct fscache_cookie *cookie) } /* - * Handle cancellation of a pending retrieval op - */ -static void fscache_do_cancel_retrieval(struct fscache_operation *_op) -{ - struct fscache_retrieval *op = - container_of(_op, struct fscache_retrieval, op); - - atomic_set(&op->n_pages, 0); -} - -/* * wait for an object to become active (or dead) */ int fscache_wait_for_operation_activation(struct fscache_object *object, struct fscache_operation *op, atomic_t *stat_op_waits, - atomic_t *stat_object_dead, - void (*do_cancel)(struct fscache_operation *)) + atomic_t *stat_object_dead) { int ret; @@ -359,7 +360,7 @@ int fscache_wait_for_operation_activation(struct fscache_object *object, fscache_stat(stat_op_waits); if (wait_on_bit(&op->flags, FSCACHE_OP_WAITING, TASK_INTERRUPTIBLE) != 0) { - ret = fscache_cancel_op(op, do_cancel, false); + ret = fscache_cancel_op(op, false); if (ret == 0) return -ERESTARTSYS; @@ -380,7 +381,7 @@ check_if_dead: if (unlikely(fscache_object_is_dying(object) || fscache_cache_is_broken(object))) { enum fscache_operation_state state = op->state; - fscache_cancel_op(op, do_cancel, true); + fscache_cancel_op(op, true); if (stat_object_dead) fscache_stat(stat_object_dead); _leave(" = -ENOBUFS [obj dead %d]", state); @@ -464,8 +465,7 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie, ret = fscache_wait_for_operation_activation( object, &op->op, __fscache_stat(&fscache_n_retrieval_op_waits), - __fscache_stat(&fscache_n_retrievals_object_dead), - fscache_do_cancel_retrieval); + __fscache_stat(&fscache_n_retrievals_object_dead)); if (ret < 0) goto error; @@ -595,8 +595,7 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie, ret = fscache_wait_for_operation_activation( object, &op->op, __fscache_stat(&fscache_n_retrieval_op_waits), - __fscache_stat(&fscache_n_retrievals_object_dead), - fscache_do_cancel_retrieval); + __fscache_stat(&fscache_n_retrievals_object_dead)); if (ret < 0) goto error; @@ -702,8 +701,7 @@ int __fscache_alloc_page(struct fscache_cookie *cookie, ret = fscache_wait_for_operation_activation( object, &op->op, __fscache_stat(&fscache_n_alloc_op_waits), - __fscache_stat(&fscache_n_allocs_object_dead), - fscache_do_cancel_retrieval); + __fscache_stat(&fscache_n_allocs_object_dead)); if (ret < 0) goto error; @@ -946,7 +944,7 @@ int __fscache_write_page(struct fscache_cookie *cookie, if (!op) goto nomem; - fscache_operation_init(&op->op, fscache_write_op, + fscache_operation_init(&op->op, fscache_write_op, NULL, fscache_release_write_op); op->op.flags = FSCACHE_OP_ASYNC | (1 << FSCACHE_OP_WAITING) | |