diff options
Diffstat (limited to 'fs/dquot.c')
-rw-r--r-- | fs/dquot.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/fs/dquot.c b/fs/dquot.c index 1346eebe74ce..8ec4d6cc7633 100644 --- a/fs/dquot.c +++ b/fs/dquot.c | |||
@@ -1793,6 +1793,21 @@ static int vfs_quota_on_remount(struct super_block *sb, int type) | |||
1793 | return ret; | 1793 | return ret; |
1794 | } | 1794 | } |
1795 | 1795 | ||
1796 | int vfs_quota_on_path(struct super_block *sb, int type, int format_id, | ||
1797 | struct path *path) | ||
1798 | { | ||
1799 | int error = security_quota_on(path->dentry); | ||
1800 | if (error) | ||
1801 | return error; | ||
1802 | /* Quota file not on the same filesystem? */ | ||
1803 | if (path->mnt->mnt_sb != sb) | ||
1804 | error = -EXDEV; | ||
1805 | else | ||
1806 | error = vfs_quota_on_inode(path->dentry->d_inode, type, | ||
1807 | format_id); | ||
1808 | return error; | ||
1809 | } | ||
1810 | |||
1796 | /* Actual function called from quotactl() */ | 1811 | /* Actual function called from quotactl() */ |
1797 | int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path, | 1812 | int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path, |
1798 | int remount) | 1813 | int remount) |
@@ -1804,19 +1819,10 @@ int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path, | |||
1804 | return vfs_quota_on_remount(sb, type); | 1819 | return vfs_quota_on_remount(sb, type); |
1805 | 1820 | ||
1806 | error = path_lookup(path, LOOKUP_FOLLOW, &nd); | 1821 | error = path_lookup(path, LOOKUP_FOLLOW, &nd); |
1807 | if (error < 0) | 1822 | if (!error) { |
1808 | return error; | 1823 | error = vfs_quota_on_path(sb, type, format_id, &nd.path); |
1809 | error = security_quota_on(nd.path.dentry); | 1824 | path_put(&nd.path); |
1810 | if (error) | 1825 | } |
1811 | goto out_path; | ||
1812 | /* Quota file not on the same filesystem? */ | ||
1813 | if (nd.path.mnt->mnt_sb != sb) | ||
1814 | error = -EXDEV; | ||
1815 | else | ||
1816 | error = vfs_quota_on_inode(nd.path.dentry->d_inode, type, | ||
1817 | format_id); | ||
1818 | out_path: | ||
1819 | path_put(&nd.path); | ||
1820 | return error; | 1826 | return error; |
1821 | } | 1827 | } |
1822 | 1828 | ||
@@ -2185,6 +2191,7 @@ EXPORT_SYMBOL(unregister_quota_format); | |||
2185 | EXPORT_SYMBOL(dqstats); | 2191 | EXPORT_SYMBOL(dqstats); |
2186 | EXPORT_SYMBOL(dq_data_lock); | 2192 | EXPORT_SYMBOL(dq_data_lock); |
2187 | EXPORT_SYMBOL(vfs_quota_on); | 2193 | EXPORT_SYMBOL(vfs_quota_on); |
2194 | EXPORT_SYMBOL(vfs_quota_on_path); | ||
2188 | EXPORT_SYMBOL(vfs_quota_on_mount); | 2195 | EXPORT_SYMBOL(vfs_quota_on_mount); |
2189 | EXPORT_SYMBOL(vfs_quota_off); | 2196 | EXPORT_SYMBOL(vfs_quota_off); |
2190 | EXPORT_SYMBOL(vfs_quota_sync); | 2197 | EXPORT_SYMBOL(vfs_quota_sync); |