Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b87a267eb7291d075df76ebabd43c7f961b12f67
Commit:     b87a267eb7291d075df76ebabd43c7f961b12f67
Parent:     e55e212c083f0c51a7d4eccd1746b6dca40ffc41
Author:     Miklos Szeredi <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 8 04:21:41 2008 -0800
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Fri Feb 8 09:22:40 2008 -0800

    mount options: fix devpts
    
    Add a .show_options super operation to devpts.
    
    Small cleanup: when parsing the "mode" option, mask with S_IALLUGO
    instead of ~S_IFMT.
    
    Signed-off-by: Miklos Szeredi <[EMAIL PROTECTED]>
    Acked-by: H. Peter Anvin <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
 fs/devpts/inode.c |   21 ++++++++++++++++++---
 1 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 06ef9a2..f120e12 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -20,9 +20,12 @@
 #include <linux/devpts_fs.h>
 #include <linux/parser.h>
 #include <linux/fsnotify.h>
+#include <linux/seq_file.h>
 
 #define DEVPTS_SUPER_MAGIC 0x1cd1
 
+#define DEVPTS_DEFAULT_MODE 0600
+
 static struct vfsmount *devpts_mnt;
 static struct dentry *devpts_root;
 
@@ -32,7 +35,7 @@ static struct {
        uid_t   uid;
        gid_t   gid;
        umode_t mode;
-} config = {.mode = 0600};
+} config = {.mode = DEVPTS_DEFAULT_MODE};
 
 enum {
        Opt_uid, Opt_gid, Opt_mode,
@@ -54,7 +57,7 @@ static int devpts_remount(struct super_block *sb, int *flags, 
char *data)
        config.setgid  = 0;
        config.uid     = 0;
        config.gid     = 0;
-       config.mode    = 0600;
+       config.mode    = DEVPTS_DEFAULT_MODE;
 
        while ((p = strsep(&data, ",")) != NULL) {
                substring_t args[MAX_OPT_ARGS];
@@ -81,7 +84,7 @@ static int devpts_remount(struct super_block *sb, int *flags, 
char *data)
                case Opt_mode:
                        if (match_octal(&args[0], &option))
                                return -EINVAL;
-                       config.mode = option & ~S_IFMT;
+                       config.mode = option & S_IALLUGO;
                        break;
                default:
                        printk(KERN_ERR "devpts: called with bogus options\n");
@@ -92,9 +95,21 @@ static int devpts_remount(struct super_block *sb, int 
*flags, char *data)
        return 0;
 }
 
+static int devpts_show_options(struct seq_file *seq, struct vfsmount *vfs)
+{
+       if (config.setuid)
+               seq_printf(seq, ",uid=%u", config.uid);
+       if (config.setgid)
+               seq_printf(seq, ",gid=%u", config.gid);
+       seq_printf(seq, ",mode=%03o", config.mode);
+
+       return 0;
+}
+
 static const struct super_operations devpts_sops = {
        .statfs         = simple_statfs,
        .remount_fs     = devpts_remount,
+       .show_options   = devpts_show_options,
 };
 
 static int
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to