* implementation is based on one of the several variants of the LINUX
* inode-subsystem with added complexity of the diskquota system.
*
- * Version: $Id: dquot.c,v 6.3 1996/11/17 18:35:34 mvw Exp mvw $
- *
* Author: Marco van Wieringen <mvw@planets.elm.net>
*
* Fixes: Dmitry Gorodchanin <pgmdsg@ibi.com>, 11 Feb 96
warntype == QUOTA_NL_BSOFTBELOW || !need_print_warning(dquot))
return;
- mutex_lock(&tty_mutex);
tty = get_current_tty();
if (!tty)
- goto out_lock;
+ return;
tty_write_message(tty, dquot->dq_sb->s_id);
if (warntype == QUOTA_NL_ISOFTWARN || warntype == QUOTA_NL_BSOFTWARN)
tty_write_message(tty, ": warning, ");
break;
}
tty_write_message(tty, msg);
-out_lock:
- mutex_unlock(&tty_mutex);
+ tty_kref_put(tty);
}
#endif
return ret;
}
+int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
+ struct path *path)
+{
+ int error = security_quota_on(path->dentry);
+ if (error)
+ return error;
+ /* Quota file not on the same filesystem? */
+ if (path->mnt->mnt_sb != sb)
+ error = -EXDEV;
+ else
+ error = vfs_quota_on_inode(path->dentry->d_inode, type,
+ format_id);
+ return error;
+}
+
/* Actual function called from quotactl() */
-int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path,
+int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name,
int remount)
{
- struct nameidata nd;
+ struct path path;
int error;
if (remount)
return vfs_quota_on_remount(sb, type);
- error = path_lookup(path, LOOKUP_FOLLOW, &nd);
- if (error < 0)
- return error;
- error = security_quota_on(nd.path.dentry);
- if (error)
- goto out_path;
- /* Quota file not on the same filesystem? */
- if (nd.path.mnt->mnt_sb != sb)
- error = -EXDEV;
- else
- error = vfs_quota_on_inode(nd.path.dentry->d_inode, type,
- format_id);
-out_path:
- path_put(&nd.path);
+ error = kern_path(name, LOOKUP_FOLLOW, &path);
+ if (!error) {
+ error = vfs_quota_on_path(sb, type, format_id, &path);
+ path_put(&path);
+ }
return error;
}
EXPORT_SYMBOL(dqstats);
EXPORT_SYMBOL(dq_data_lock);
EXPORT_SYMBOL(vfs_quota_on);
+EXPORT_SYMBOL(vfs_quota_on_path);
EXPORT_SYMBOL(vfs_quota_on_mount);
EXPORT_SYMBOL(vfs_quota_off);
EXPORT_SYMBOL(vfs_quota_sync);