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| author | Jeff Dike <jdike@addtoit.com> | 2006-04-10 22:54:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-04-11 06:18:48 -0700 |
| commit | e5ac1d1e70a8c19a65a959d73650203df7a2e168 (patch) | |
| tree | e3efd114e3350c270d3693266d38d07eaedae757 | |
| parent | 385a17bfc3cb035333c8a91eddc78a6e04c4625e (diff) | |
| download | linux-e5ac1d1e70a8c19a65a959d73650203df7a2e168.tar.gz linux-e5ac1d1e70a8c19a65a959d73650203df7a2e168.tar.bz2 linux-e5ac1d1e70a8c19a65a959d73650203df7a2e168.zip | |
[PATCH] fuse: add O_NONBLOCK support to FUSE device
I don't like duplicating the connected and list_empty tests in fuse_dev_readv,
but this seemed cleaner than adding the f_flags test to request_wait.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | fs/fuse/dev.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 438770f8867f..75c6e9166c39 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -619,6 +619,12 @@ static ssize_t fuse_dev_readv(struct file *file, const struct iovec *iov, err = -EPERM; if (!fc) goto err_unlock; + + err = -EAGAIN; + if ((file->f_flags & O_NONBLOCK) && fc->connected && + list_empty(&fc->pending)) + goto err_unlock; + request_wait(fc); err = -ENODEV; if (!fc->connected) |