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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /fs/xfs/libxfs/xfs_alloc.c
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'fs/xfs/libxfs/xfs_alloc.c')
-rw-r--r--fs/xfs/libxfs/xfs_alloc.c30
1 files changed, 22 insertions, 8 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index ffad7f203..3479294c1 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -482,7 +482,9 @@ xfs_agfl_verify(
be32_to_cpu(agfl->agfl_bno[i]) >= mp->m_sb.sb_agblocks)
return false;
}
- return true;
+
+ return xfs_log_check_lsn(mp,
+ be64_to_cpu(XFS_BUF_TO_AGFL(bp)->agfl_lsn));
}
static void
@@ -651,8 +653,8 @@ xfs_alloc_ag_vextent(
-((long)(args->len)));
}
- XFS_STATS_INC(xs_allocx);
- XFS_STATS_ADD(xs_allocb, args->len);
+ XFS_STATS_INC(args->mp, xs_allocx);
+ XFS_STATS_ADD(args->mp, xs_allocb, args->len);
return error;
}
@@ -1808,8 +1810,8 @@ xfs_free_ag_extent(
if (!isfl)
xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, (long)len);
- XFS_STATS_INC(xs_freex);
- XFS_STATS_ADD(xs_freeb, len);
+ XFS_STATS_INC(mp, xs_freex);
+ XFS_STATS_ADD(mp, xs_freeb, len);
trace_xfs_free_extent(mp, agno, bno, len, isfl, haveleft, haveright);
@@ -2259,9 +2261,13 @@ xfs_agf_verify(
{
struct xfs_agf *agf = XFS_BUF_TO_AGF(bp);
- if (xfs_sb_version_hascrc(&mp->m_sb) &&
- !uuid_equal(&agf->agf_uuid, &mp->m_sb.sb_meta_uuid))
+ if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ if (!uuid_equal(&agf->agf_uuid, &mp->m_sb.sb_meta_uuid))
return false;
+ if (!xfs_log_check_lsn(mp,
+ be64_to_cpu(XFS_BUF_TO_AGF(bp)->agf_lsn)))
+ return false;
+ }
if (!(agf->agf_magicnum == cpu_to_be32(XFS_AGF_MAGIC) &&
XFS_AGF_GOOD_VERSION(be32_to_cpu(agf->agf_versionnum)) &&
@@ -2503,7 +2509,7 @@ xfs_alloc_vextent(
* Try near allocation first, then anywhere-in-ag after
* the first a.g. fails.
*/
- if ((args->userdata == XFS_ALLOC_INITIAL_USER_DATA) &&
+ if ((args->userdata & XFS_ALLOC_INITIAL_USER_DATA) &&
(mp->m_flags & XFS_MOUNT_32BITINODES)) {
args->fsbno = XFS_AGB_TO_FSB(mp,
((mp->m_agfrotor / rotorstep) %
@@ -2634,6 +2640,14 @@ xfs_alloc_vextent(
XFS_AG_CHECK_DADDR(mp, XFS_FSB_TO_DADDR(mp, args->fsbno),
args->len);
#endif
+
+ /* Zero the extent if we were asked to do so */
+ if (args->userdata & XFS_ALLOC_USERDATA_ZERO) {
+ error = xfs_zero_extent(args->ip, args->fsbno, args->len);
+ if (error)
+ goto error0;
+ }
+
}
xfs_perag_put(args->pag);
return 0;