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authorLatchesar Ionkov <lucho@ionkov.net>2006-01-08 01:04:58 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-08 20:14:05 -0800
commit3cf6429a26da5c4d7b795e6d0f8f56ed2e4fdfc0 (patch)
treea8d856763fd9a0536519634c93ab92da684107fa /fs/9p/9p.h
parentf5ef3c105bee3a52486d7b55cef3330fcde9bca6 (diff)
downloadlinux-3cf6429a26da5c4d7b795e6d0f8f56ed2e4fdfc0.tar.bz2
[PATCH] v9fs: new multiplexer implementation
New multiplexer implementation. Decreases the number of kernel threads required. Better handling when the user process receives a signal. Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/9p/9p.h')
-rw-r--r--fs/9p/9p.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/9p/9p.h b/fs/9p/9p.h
index f55424216be2..6355392786e2 100644
--- a/fs/9p/9p.h
+++ b/fs/9p/9p.h
@@ -100,6 +100,9 @@ enum {
V9FS_QTFILE = 0x00,
};
+#define V9FS_NOTAG (u16)(~0)
+#define V9FS_NOFID (u32)(~0)
+
/* ample room for Twrite/Rread header (iounit) */
#define V9FS_IOHDRSZ 24
@@ -303,6 +306,9 @@ struct v9fs_fcall {
} params;
};
+#define V9FS_FCALLHDRSZ (sizeof(struct v9fs_fcall) + \
+ sizeof(struct v9fs_stat) + 16*sizeof(struct v9fs_qid) + 16)
+
#define FCALL_ERROR(fcall) (fcall ? fcall->params.rerror.error : "")
int v9fs_t_version(struct v9fs_session_info *v9ses, u32 msize,
@@ -311,8 +317,7 @@ int v9fs_t_version(struct v9fs_session_info *v9ses, u32 msize,
int v9fs_t_attach(struct v9fs_session_info *v9ses, char *uname, char *aname,
u32 fid, u32 afid, struct v9fs_fcall **rcall);
-int v9fs_t_clunk(struct v9fs_session_info *v9ses, u32 fid,
- struct v9fs_fcall **rcall);
+int v9fs_t_clunk(struct v9fs_session_info *v9ses, u32 fid);
int v9fs_t_flush(struct v9fs_session_info *v9ses, u16 oldtag);