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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2010-03-29 18:13:59 -0500 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@gmail.com> | 2010-04-05 10:37:36 -0500 |
| commit | 6d96d3ab7aea5f0e75205a0c97f8d1fdf82c5287 (patch) | |
| tree | a4dfa0472e2e670de1da7e7c0905da12d4608ab4 /fs | |
| parent | d994f4058d9f9be7e44529b55fc6be6552901ead (diff) | |
| download | linux-6d96d3ab7aea5f0e75205a0c97f8d1fdf82c5287.tar.bz2 | |
9p: Make sure we are able to clunk the cached fid on umount
dcache prune happen on umount. So we cannot mark the client
satus disconnect. That will prevent a 9p call to the server
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/9p/v9fs.c | 13 | ||||
| -rw-r--r-- | fs/9p/v9fs.h | 1 | ||||
| -rw-r--r-- | fs/9p/vfs_super.c | 3 |
3 files changed, 16 insertions, 1 deletions
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index 2f814cf0c731..0b78ae8157b9 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -342,6 +342,19 @@ void v9fs_session_cancel(struct v9fs_session_info *v9ses) { p9_client_disconnect(v9ses->clnt); } +/** + * v9fs_session_begin_cancel - Begin terminate of a session + * @v9ses: session to terminate + * + * After this call we don't allow any request other than clunk. + */ + +void v9fs_session_begin_cancel(struct v9fs_session_info *v9ses) +{ + P9_DPRINTK(P9_DEBUG_ERROR, "begin cancel session %p\n", v9ses); + p9_client_begin_disconnect(v9ses->clnt); +} + extern int v9fs_error_init(void); static struct kobject *v9fs_kobj; diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h index 6b801d1ddf4b..a0a8d3dd1361 100644 --- a/fs/9p/v9fs.h +++ b/fs/9p/v9fs.h @@ -108,6 +108,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *, const char *, char *); void v9fs_session_close(struct v9fs_session_info *v9ses); void v9fs_session_cancel(struct v9fs_session_info *v9ses); +void v9fs_session_begin_cancel(struct v9fs_session_info *v9ses); #define V9FS_MAGIC 0x01021997 diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index 69357c0d9899..d1a3c809a291 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -193,6 +193,7 @@ static void v9fs_kill_super(struct super_block *s) kill_anon_super(s); + v9fs_session_cancel(v9ses); v9fs_session_close(v9ses); kfree(v9ses); s->s_fs_info = NULL; @@ -205,7 +206,7 @@ v9fs_umount_begin(struct super_block *sb) struct v9fs_session_info *v9ses; v9ses = sb->s_fs_info; - v9fs_session_cancel(v9ses); + v9fs_session_begin_cancel(v9ses); } static const struct super_operations v9fs_super_ops = { |