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authorTejun Heo <tj@kernel.org>2008-11-26 12:03:55 +0100
committerMiklos Szeredi <miklos@szeredi.hu>2008-11-26 12:03:55 +0100
commit8599396b5062bf6bd2a0b433503849e2322df1c2 (patch)
tree8ce5f253eaf5fe28324c497db780d824ea60bb5c /include/linux/fuse.h
parentacf99433d98c2570a619d8fb8b51abce4e532059 (diff)
fuse: implement unsolicited notification
Clients always used to write only in response to read requests. To implement poll efficiently, clients should be able to issue unsolicited notifications. This patch implements basic notification support. Zero fuse_out_header.unique is now accepted and considered unsolicited notification and the error field contains notification code. This patch doesn't implement any actual notification. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Diffstat (limited to 'include/linux/fuse.h')
-rw-r--r--include/linux/fuse.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 608e300ae88..abde9949e2c 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -203,6 +203,10 @@ enum fuse_opcode {
FUSE_IOCTL = 39,
};
+enum fuse_notify_code {
+ FUSE_NOTIFY_CODE_MAX,
+};
+
/* The read buffer is required to be at least 8k, but may be much larger */
#define FUSE_MIN_READ_BUFFER 8192