1 files changed, 55 insertions, 6 deletions

diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index 195a403e1522..f4895b662fcb 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -358,7 +358,9 @@ xfs_symlink(
         int                     n;
         xfs_buf_t               *bp;
         prid_t                  prid;
-        struct xfs_dquot        *udqp, *gdqp;
+        struct xfs_dquot        *udqp = NULL;
+        struct xfs_dquot        *gdqp = NULL;
+        struct xfs_dquot        *pdqp = NULL;
         uint                    resblks;
 
         *ipp = NULL;
@@ -385,7 +387,7 @@ xfs_symlink(
          * Make sure that we have allocated dquot(s) on disk.
          */
         error = xfs_qm_vop_dqalloc(dp, current_fsuid(), current_fsgid(), prid,
-                        XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
+                XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp, &pdqp);
         if (error)
                 goto std_return;
 
@@ -426,7 +428,8 @@ xfs_symlink(
         /*
          * Reserve disk quota : blocks and inode.
          */
-        error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp, resblks, 1, 0);
+        error = xfs_trans_reserve_quota(tp, mp, udqp, gdqp,
+                                                pdqp, resblks, 1, 0);
         if (error)
                 goto error_return;
 
@@ -464,7 +467,7 @@ xfs_symlink(
         /*
          * Also attach the dquot(s) to it, if applicable.
          */
-        xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp);
+        xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp, pdqp);
 
         if (resblks)
                 resblks -= XFS_IALLOC_SPACE_RES(mp);
@@ -562,6 +565,7 @@ xfs_symlink(
         error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
         xfs_qm_dqrele(udqp);
         xfs_qm_dqrele(gdqp);
+        xfs_qm_dqrele(pdqp);
 
         *ipp = ip;
         return 0;
@@ -575,6 +579,7 @@ xfs_symlink(
         xfs_trans_cancel(tp, cancel_flags);
         xfs_qm_dqrele(udqp);
         xfs_qm_dqrele(gdqp);
+        xfs_qm_dqrele(pdqp);
 
         if (unlock_dp_on_error)
                 xfs_iunlock(dp, XFS_ILOCK_EXCL);
@@ -585,7 +590,7 @@ xfs_symlink(
 /*
  * Free a symlink that has blocks associated with it.
  */
-int
+STATIC int
 xfs_inactive_symlink_rmt(
         xfs_inode_t     *ip,
         xfs_trans_t     **tpp)
@@ -606,7 +611,7 @@ xfs_inactive_symlink_rmt(
 
         tp = *tpp;
         mp = ip->i_mount;
-        ASSERT(ip->i_d.di_size > XFS_IFORK_DSIZE(ip));
+        ASSERT(ip->i_df.if_flags & XFS_IFEXTENTS);
         /*
          * We're freeing a symlink that has some
          * blocks allocated to it.  Free the
@@ -720,3 +725,47 @@ xfs_inactive_symlink_rmt(
  error0:
         return error;
 }
+
+/*
+ * xfs_inactive_symlink - free a symlink
+ */
+int
+xfs_inactive_symlink(
+        struct xfs_inode        *ip,
+        struct xfs_trans        **tp)
+{
+        struct xfs_mount        *mp = ip->i_mount;
+        int                     pathlen;
+
+        trace_xfs_inactive_symlink(ip);
+
+        ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
+
+        if (XFS_FORCED_SHUTDOWN(mp))
+                return XFS_ERROR(EIO);
+
+        /*
+         * Zero length symlinks _can_ exist.
+         */
+        pathlen = (int)ip->i_d.di_size;
+        if (!pathlen)
+                return 0;
+
+        if (pathlen < 0 || pathlen > MAXPATHLEN) {
+                xfs_alert(mp, "%s: inode (0x%llx) bad symlink length (%d)",
+                         __func__, (unsigned long long)ip->i_ino, pathlen);
+                ASSERT(0);
+                return XFS_ERROR(EFSCORRUPTED);
+        }
+
+        if (ip->i_df.if_flags & XFS_IFINLINE) {
+                if (ip->i_df.if_bytes > 0)
+                        xfs_idata_realloc(ip, -(ip->i_df.if_bytes),
+                                          XFS_DATA_FORK);
+                ASSERT(ip->i_df.if_bytes == 0);
+                return 0;
+        }
+
+        /* remove the remote symlink */
+        return xfs_inactive_symlink_rmt(ip, tp);
+}