diff options
author | Darrick J. Wong <darrick.wong@oracle.com> | 2018-02-22 23:41:25 +0100 |
---|---|---|
committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-02-22 23:41:25 +0100 |
commit | b31c2bdcd83e3374fec5a8e27a2fb4d26e771c52 (patch) | |
tree | ff512e9c22ca3de3733bbe334bc580c1e96d6503 /fs/xfs/xfs_refcount_item.c | |
parent | xfs: use memset to initialize xfs_scrub_agfl_info (diff) | |
download | linux-b31c2bdcd83e3374fec5a8e27a2fb4d26e771c52.tar.xz linux-b31c2bdcd83e3374fec5a8e27a2fb4d26e771c52.zip |
xfs: reserve blocks for refcount / rmap log item recovery
During log recovery, the per-AG reservations aren't yet set up, so log
recovery has to reserve enough blocks to handle all possible btree
splits.
Reported-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_refcount_item.c')
-rw-r--r-- | fs/xfs/xfs_refcount_item.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c index 3a55d6fc271b..7a39f40645f7 100644 --- a/fs/xfs/xfs_refcount_item.c +++ b/fs/xfs/xfs_refcount_item.c @@ -23,6 +23,7 @@ #include "xfs_log_format.h" #include "xfs_trans_resv.h" #include "xfs_bit.h" +#include "xfs_shared.h" #include "xfs_mount.h" #include "xfs_defer.h" #include "xfs_trans.h" @@ -456,10 +457,12 @@ xfs_cui_recover( * transaction. Normally, any work that needs to be deferred * gets attached to the same defer_ops that scheduled the * refcount update. However, we're in log recovery here, so we - * we create our own defer_ops and use that to finish up any - * work that doesn't fit. + * we use the passed in defer_ops and to finish up any work that + * doesn't fit. We need to reserve enough blocks to handle a + * full btree split on either end of the refcount range. */ - error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, 0, 0, 0, &tp); + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, + mp->m_refc_maxlevels * 2, 0, XFS_TRANS_RESERVE, &tp); if (error) return error; cudp = xfs_trans_get_cud(tp, cuip); |