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fuse: simplify 'nofail' request

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Instead of complex games with a reserved request, just use __GFP_NOFAIL.

Both calers (flush, readdir) guarantee that connection was already
initialized, so no need to wait for fc->initialized.

Also remove unneeded clearing of FR_BACKGROUND flag.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Miklos Szeredi
2019-09-10 15:04:08 +02:00
parent 1f4e9d03d1
commit 40ac7ab2d0
4 changed files with 6 additions and 69 deletions
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fs/fuse/inode.c
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@@ -617,7 +617,6 @@ void fuse_conn_init(struct fuse_conn *fc, struct user_namespace *user_ns)
refcount_set(&fc->count, 1);
atomic_set(&fc->dev_count, 1);
init_waitqueue_head(&fc->blocked_waitq);
init_waitqueue_head(&fc->reserved_req_waitq);
fuse_iqueue_init(&fc->iq);
INIT_LIST_HEAD(&fc->bg_queue);
INIT_LIST_HEAD(&fc->entry);