From 7c352bdf048811b8128019ffc1e886161e09c11c Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Fri, 9 Sep 2005 13:10:39 -0700 Subject: [PATCH] FUSE: don't allow restarting of system calls This patch removes ability to interrupt and restart operations while there hasn't been any side-effect. The reason: applications. There are some apps it seems that generate signals at a fast rate. This means, that if the operation cannot make enough progress between two signals, it will be restarted for ever. This bug actually manifested itself with 'krusader' trying to open a file for writing under sshfs. Thanks to Eduard Czimbalmos for the report. The problem can be solved just by making open() uninterruptible, because in this case it was the truncate operation that slowed down the progress. But it's better to solve this by simply not allowing interrupts at all (except SIGKILL), because applications don't expect file operations to be interruptible anyway. As an added bonus the code is simplified somewhat. Signed-off-by: Miklos Szeredi Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/fuse/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/fuse/inode.c') diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 52e954f4bb91..e69a546844d0 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -236,7 +236,7 @@ static int fuse_statfs(struct super_block *sb, struct kstatfs *buf) req = fuse_get_request(fc); if (!req) - return -ERESTARTSYS; + return -EINTR; req->in.numargs = 0; req->in.h.opcode = FUSE_STATFS; -- cgit v1.2.3