Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

[pandora-kernel.git] / fs / xfs / xfs_inode.c

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index c8e3349..a098a20 100644 (file)
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -920,7 +920,6 @@ xfs_iread_extents(
        /*
         * We know that the size is valid (it's checked in iformat_btree)
         */
-       ifp->if_lastex = NULLEXTNUM;
        ifp->if_bytes = ifp->if_real_bytes = 0;
        ifp->if_flags |= XFS_IFEXTENTS;
        xfs_iext_add(ifp, 0, nextents);
@@ -2558,12 +2557,9 @@ xfs_iflush_fork(
        case XFS_DINODE_FMT_EXTENTS:
                ASSERT((ifp->if_flags & XFS_IFEXTENTS) ||
                       !(iip->ili_format.ilf_fields & extflag[whichfork]));
-               ASSERT((xfs_iext_get_ext(ifp, 0) != NULL) ||
-                       (ifp->if_bytes == 0));
-               ASSERT((xfs_iext_get_ext(ifp, 0) == NULL) ||
-                       (ifp->if_bytes > 0));
                if ((iip->ili_format.ilf_fields & extflag[whichfork]) &&
                    (ifp->if_bytes > 0)) {
+                       ASSERT(xfs_iext_get_ext(ifp, 0));
                        ASSERT(XFS_IFORK_NEXTENTS(ip, whichfork) > 0);
                        (void)xfs_iextents_copy(ip, (xfs_bmbt_rec_t *)cp,
                                whichfork);
@@ -3112,6 +3108,8 @@ xfs_iext_get_ext(
        xfs_extnum_t    idx)            /* index of target extent */
 {
        ASSERT(idx >= 0);
+       ASSERT(idx < ifp->if_bytes / sizeof(xfs_bmbt_rec_t));
+
        if ((ifp->if_flags & XFS_IFEXTIREC) && (idx == 0)) {
                return ifp->if_u1.if_ext_irec->er_extbuf;
        } else if (ifp->if_flags & XFS_IFEXTIREC) {
@@ -3191,7 +3189,6 @@ xfs_iext_add(
                }
                ifp->if_u1.if_extents = ifp->if_u2.if_inline_ext;
                ifp->if_real_bytes = 0;
-               ifp->if_lastex = nextents + ext_diff;
        }
        /*
         * Otherwise use a linear (direct) extent list.
@@ -3886,8 +3883,10 @@ xfs_iext_idx_to_irec(
        xfs_extnum_t    page_idx = *idxp; /* extent index in target list */
 
        ASSERT(ifp->if_flags & XFS_IFEXTIREC);
-       ASSERT(page_idx >= 0 && page_idx <=
-               ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t));
+       ASSERT(page_idx >= 0);
+       ASSERT(page_idx <= ifp->if_bytes / sizeof(xfs_bmbt_rec_t));
+       ASSERT(page_idx < ifp->if_bytes / sizeof(xfs_bmbt_rec_t) || realloc);
+
        nlists = ifp->if_real_bytes / XFS_IEXT_BUFSZ;
        erp_idx = 0;
        low = 0;