diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2006-12-13 09:35:10 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-13 18:05:53 +0100 |
| commit | a71113da44063b587b5a4c2fc94c948a14f2bb43 (patch) | |
| tree | c2b804232dcda3e403d43977e7329c21e787e242 | |
| parent | [PATCH] n_r3964: Use struct pid to track user space clients (diff) | |
| download | linux-a71113da44063b587b5a4c2fc94c948a14f2bb43.tar.xz linux-a71113da44063b587b5a4c2fc94c948a14f2bb43.zip | |
[PATCH] smbfs: Make conn_pid a struct pid
smbfs keeps track of the user space server process in conn_pid. This converts
that track to use a struct pid instead of pid_t. This keeps us safe from pid
wrap around issues and prepares the way for the pid namespace.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | fs/smbfs/inode.c | 5 | ||||
| -rw-r--r-- | fs/smbfs/proc.c | 6 | ||||
| -rw-r--r-- | fs/smbfs/smbiod.c | 5 | ||||
| -rw-r--r-- | include/linux/smb_fs_sb.h | 2 |
4 files changed, 10 insertions, 8 deletions
diff --git a/fs/smbfs/inode.c b/fs/smbfs/inode.c index 4af4cd729a5a..84dfe3f3482e 100644 --- a/fs/smbfs/inode.c +++ b/fs/smbfs/inode.c @@ -482,12 +482,13 @@ smb_put_super(struct super_block *sb) smb_close_socket(server); if (server->conn_pid) - kill_proc(server->conn_pid, SIGTERM, 1); + kill_pid(server->conn_pid, SIGTERM, 1); kfree(server->ops); smb_unload_nls(server); sb->s_fs_info = NULL; smb_unlock_server(server); + put_pid(server->conn_pid); kfree(server); } @@ -530,7 +531,7 @@ static int smb_fill_super(struct super_block *sb, void *raw_data, int silent) INIT_LIST_HEAD(&server->xmitq); INIT_LIST_HEAD(&server->recvq); server->conn_error = 0; - server->conn_pid = 0; + server->conn_pid = NULL; server->state = CONN_INVALID; /* no connection yet */ server->generation = 0; diff --git a/fs/smbfs/proc.c b/fs/smbfs/proc.c index a5ced9e0c6c4..feac46050619 100644 --- a/fs/smbfs/proc.c +++ b/fs/smbfs/proc.c @@ -877,7 +877,7 @@ smb_newconn(struct smb_sb_info *server, struct smb_conn_opt *opt) goto out_putf; server->sock_file = filp; - server->conn_pid = current->pid; + server->conn_pid = get_pid(task_pid(current)); server->opt = *opt; server->generation += 1; server->state = CONN_VALID; @@ -971,8 +971,8 @@ smb_newconn(struct smb_sb_info *server, struct smb_conn_opt *opt) } VERBOSE("protocol=%d, max_xmit=%d, pid=%d capabilities=0x%x\n", - server->opt.protocol, server->opt.max_xmit, server->conn_pid, - server->opt.capabilities); + server->opt.protocol, server->opt.max_xmit, + pid_nr(server->conn_pid), server->opt.capabilities); /* FIXME: this really should be done by smbmount. */ if (server->opt.max_xmit > SMB_MAX_PACKET_SIZE) { diff --git a/fs/smbfs/smbiod.c b/fs/smbfs/smbiod.c index e67540441288..89eaf31f1d46 100644 --- a/fs/smbfs/smbiod.c +++ b/fs/smbfs/smbiod.c @@ -152,7 +152,7 @@ int smbiod_retry(struct smb_sb_info *server) { struct list_head *head; struct smb_request *req; - pid_t pid = server->conn_pid; + struct pid *pid = get_pid(server->conn_pid); int result = 0; VERBOSE("state: %d\n", server->state); @@ -222,7 +222,7 @@ int smbiod_retry(struct smb_sb_info *server) /* * Note: use the "priv" flag, as a user process may need to reconnect. */ - result = kill_proc(pid, SIGUSR1, 1); + result = kill_pid(pid, SIGUSR1, 1); if (result) { /* FIXME: this is most likely fatal, umount? */ printk(KERN_ERR "smb_retry: signal failed [%d]\n", result); @@ -233,6 +233,7 @@ int smbiod_retry(struct smb_sb_info *server) /* FIXME: The retried requests should perhaps get a "time boost". */ out: + put_pid(pid); return result; } diff --git a/include/linux/smb_fs_sb.h b/include/linux/smb_fs_sb.h index 5b4ae2cc445c..3aa97aa4277f 100644 --- a/include/linux/smb_fs_sb.h +++ b/include/linux/smb_fs_sb.h @@ -55,7 +55,7 @@ struct smb_sb_info { * generation is incremented. */ unsigned int generation; - pid_t conn_pid; + struct pid *conn_pid; struct smb_conn_opt opt; wait_queue_head_t conn_wq; int conn_complete; |