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| author | Vivek Goyal <vgoyal@redhat.com> | 2019-06-05 15:50:43 -0400 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2019-09-12 14:59:40 +0200 |
| commit | 4388c5aac4bae5c83a2c66882043942002ba09a2 (patch) | |
| tree | e57b579948968968447508ad7747ff644b9b89c7 /fs/fuse | |
| parent | 79d96efffda7597b41968d5d8813b39fc2965f1b (diff) | |
| download | linux-4388c5aac4bae5c83a2c66882043942002ba09a2.tar.gz linux-4388c5aac4bae5c83a2c66882043942002ba09a2.tar.bz2 linux-4388c5aac4bae5c83a2c66882043942002ba09a2.zip | |
fuse: export fuse_dequeue_forget() function
File systems like virtio-fs need to do not have to play directly with
forget list data structures. There is a helper function use that instead.
Rename dequeue_forget() to fuse_dequeue_forget() and export it so that
stacked filesystems can use it.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse')
| -rw-r--r-- | fs/fuse/dev.c | 13 | ||||
| -rw-r--r-- | fs/fuse/fuse_i.h | 4 |
2 files changed, 11 insertions, 6 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 151176a99dc2..943bc5cf941a 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -1033,9 +1033,9 @@ __releases(fiq->lock) return err ? err : reqsize; } -static struct fuse_forget_link *dequeue_forget(struct fuse_iqueue *fiq, - unsigned max, - unsigned *countp) +struct fuse_forget_link *fuse_dequeue_forget(struct fuse_iqueue *fiq, + unsigned int max, + unsigned int *countp) { struct fuse_forget_link *head = fiq->forget_list_head.next; struct fuse_forget_link **newhead = &head; @@ -1054,6 +1054,7 @@ static struct fuse_forget_link *dequeue_forget(struct fuse_iqueue *fiq, return head; } +EXPORT_SYMBOL(fuse_dequeue_forget); static int fuse_read_single_forget(struct fuse_iqueue *fiq, struct fuse_copy_state *cs, @@ -1061,7 +1062,7 @@ static int fuse_read_single_forget(struct fuse_iqueue *fiq, __releases(fiq->lock) { int err; - struct fuse_forget_link *forget = dequeue_forget(fiq, 1, NULL); + struct fuse_forget_link *forget = fuse_dequeue_forget(fiq, 1, NULL); struct fuse_forget_in arg = { .nlookup = forget->forget_one.nlookup, }; @@ -1109,7 +1110,7 @@ __releases(fiq->lock) } max_forgets = (nbytes - ih.len) / sizeof(struct fuse_forget_one); - head = dequeue_forget(fiq, max_forgets, &count); + head = fuse_dequeue_forget(fiq, max_forgets, &count); spin_unlock(&fiq->lock); arg.count = count; @@ -2119,7 +2120,7 @@ void fuse_abort_conn(struct fuse_conn *fc) clear_bit(FR_PENDING, &req->flags); list_splice_tail_init(&fiq->pending, &to_end); while (forget_pending(fiq)) - kfree(dequeue_forget(fiq, 1, NULL)); + kfree(fuse_dequeue_forget(fiq, 1, NULL)); wake_up_all(&fiq->waitq); spin_unlock(&fiq->lock); kill_fasync(&fiq->fasync, SIGIO, POLL_IN); diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index b868b71d47d9..5f910c99e8dd 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -729,6 +729,10 @@ void fuse_queue_forget(struct fuse_conn *fc, struct fuse_forget_link *forget, struct fuse_forget_link *fuse_alloc_forget(void); +struct fuse_forget_link *fuse_dequeue_forget(struct fuse_iqueue *fiq, + unsigned int max, + unsigned int *countp); + /* * Initialize READ or READDIR request */ |