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authorTakashi Iwai <tiwai@suse.de>2012-11-20 00:25:27 +0400
committerTakashi Iwai <tiwai@suse.de>2012-11-20 00:25:27 +0400
commit87af0b80c933f05a4c7dd8c5edebe10365e76220 (patch)
tree6c33ab1a47b5f1ef196e8847586fb81b17152a0e /fs/xfs/xfs_fsops.c
parent08a978db518dfceb37998bc74a7fed03540cfd08 (diff)
parent2ea3c6a2c779e5a6487d2b436770232162dfbbe3 (diff)
downloadlinux-87af0b80c933f05a4c7dd8c5edebe10365e76220.tar.xz
Merge branch 'for-linus' into for-next
Merge the recent HD-audio codec change for fixing recursive suspend calls. Conflicts: sound/pci/hda/hda_codec.c
Diffstat (limited to 'fs/xfs/xfs_fsops.c')
-rw-r--r--fs/xfs/xfs_fsops.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index c25b094efbf7..4beaede43277 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -399,9 +399,26 @@ xfs_growfs_data_private(
/* update secondary superblocks. */
for (agno = 1; agno < nagcount; agno++) {
- error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp,
+ error = 0;
+ /*
+ * new secondary superblocks need to be zeroed, not read from
+ * disk as the contents of the new area we are growing into is
+ * completely unknown.
+ */
+ if (agno < oagcount) {
+ error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp,
XFS_AGB_TO_DADDR(mp, agno, XFS_SB_BLOCK(mp)),
XFS_FSS_TO_BB(mp, 1), 0, &bp);
+ } else {
+ bp = xfs_trans_get_buf(NULL, mp->m_ddev_targp,
+ XFS_AGB_TO_DADDR(mp, agno, XFS_SB_BLOCK(mp)),
+ XFS_FSS_TO_BB(mp, 1), 0);
+ if (bp)
+ xfs_buf_zero(bp, 0, BBTOB(bp->b_length));
+ else
+ error = ENOMEM;
+ }
+
if (error) {
xfs_warn(mp,
"error %d reading secondary superblock for ag %d",
@@ -423,7 +440,7 @@ xfs_growfs_data_private(
break; /* no point in continuing */
}
}
- return 0;
+ return error;
error0:
xfs_trans_cancel(tp, XFS_TRANS_ABORT);