[PATCH 14/22] elevate write count for do_utimes()

[Dave Hansen]

Signed-off-by: Dave Hansen <[EMAIL PROTECTED]>
---

 lxc-dave/fs/utimes.c |   13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff -puN fs/utimes.c~16-24-elevate-write-count-for-do-utimes fs/utimes.c
--- lxc/fs/utimes.c~16-24-elevate-write-count-for-do-utimes     2007-02-09 
14:26:55.000000000 -0800
+++ lxc-dave/fs/utimes.c        2007-02-09 14:26:55.000000000 -0800
@@ -58,16 +58,19 @@ static long do_utimes_nsec(int dfd, char
                goto out;
        inode = nd.dentry->d_inode;
 
+       error = mnt_want_write(nd.mnt);
+       if (error)
+               goto dput_and_out;
        error = -EROFS;
        if (IS_RDONLY(inode))
-               goto dput_and_out;
+               goto mnt_drop_write_and_out;
 
        /* Don't worry, the checks are done in inode_change_ok() */
        newattrs.ia_valid = ATTR_CTIME | ATTR_MTIME | ATTR_ATIME;
        if (times) {
                error = -EPERM;
                 if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
-                        goto dput_and_out;
+                       goto mnt_drop_write_and_out;
 
                newattrs.ia_atime = times[0];
                newattrs.ia_mtime = times[1];
@@ -75,15 +78,17 @@ static long do_utimes_nsec(int dfd, char
        } else {
                error = -EACCES;
                 if (IS_IMMUTABLE(inode))
-                        goto dput_and_out;
+                       goto mnt_drop_write_and_out;
 
                if (current->fsuid != inode->i_uid &&
                    (error = vfs_permission(&nd, MAY_WRITE)) != 0)
-                       goto dput_and_out;
+                       goto mnt_drop_write_and_out;
        }
        mutex_lock(&inode->i_mutex);
        error = notify_change(nd.dentry, &newattrs);
        mutex_unlock(&inode->i_mutex);
+mnt_drop_write_and_out:
+       mnt_drop_write(nd.mnt);
 dput_and_out:
        path_release(&nd);
 out:
_
-
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