Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetoot...

[cascardo/linux.git] / fs / xfs / libxfs / xfs_trans_resv.c

diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c
index 301ef2f..b456cca 100644 (file)
--- a/fs/xfs/libxfs/xfs_trans_resv.c
+++ b/fs/xfs/libxfs/xfs_trans_resv.c
@@ -67,13 +67,14 @@ xfs_calc_buf_res(
  * Per-extent log reservation for the btree changes involved in freeing or
  * allocating an extent.  In classic XFS there were two trees that will be
  * modified (bnobt + cntbt).  With rmap enabled, there are three trees
- * (rmapbt).  The number of blocks reserved is based on the formula:
+ * (rmapbt).  With reflink, there are four trees (refcountbt).  The number of
+ * blocks reserved is based on the formula:
  *
  * num trees * ((2 blocks/level * max depth) - 1)
  *
  * Keep in mind that max depth is calculated separately for each type of tree.
  */
-static uint
+uint
 xfs_allocfree_log_count(
        struct xfs_mount *mp,
        uint            num_ops)
@@ -83,6 +84,8 @@ xfs_allocfree_log_count(
        blocks = num_ops * 2 * (2 * mp->m_ag_maxlevels - 1);
        if (xfs_sb_version_hasrmapbt(&mp->m_sb))
                blocks += num_ops * (2 * mp->m_rmap_maxlevels - 1);
+       if (xfs_sb_version_hasreflink(&mp->m_sb))
+               blocks += num_ops * (2 * mp->m_refc_maxlevels - 1);
 
        return blocks;
 }
@@ -809,11 +812,18 @@ xfs_trans_resv_calc(
         * require a permanent reservation on space.
         */
        resp->tr_write.tr_logres = xfs_calc_write_reservation(mp);
-       resp->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT;
+       if (xfs_sb_version_hasreflink(&mp->m_sb))
+               resp->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT_REFLINK;
+       else
+               resp->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT;
        resp->tr_write.tr_logflags |= XFS_TRANS_PERM_LOG_RES;
 
        resp->tr_itruncate.tr_logres = xfs_calc_itruncate_reservation(mp);
-       resp->tr_itruncate.tr_logcount = XFS_ITRUNCATE_LOG_COUNT;
+       if (xfs_sb_version_hasreflink(&mp->m_sb))
+               resp->tr_itruncate.tr_logcount =
+                               XFS_ITRUNCATE_LOG_COUNT_REFLINK;
+       else
+               resp->tr_itruncate.tr_logcount = XFS_ITRUNCATE_LOG_COUNT;
        resp->tr_itruncate.tr_logflags |= XFS_TRANS_PERM_LOG_RES;
 
        resp->tr_rename.tr_logres = xfs_calc_rename_reservation(mp);
@@ -870,7 +880,10 @@ xfs_trans_resv_calc(
        resp->tr_growrtalloc.tr_logflags |= XFS_TRANS_PERM_LOG_RES;
 
        resp->tr_qm_dqalloc.tr_logres = xfs_calc_qm_dqalloc_reservation(mp);
-       resp->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT;
+       if (xfs_sb_version_hasreflink(&mp->m_sb))
+               resp->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT_REFLINK;
+       else
+               resp->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT;
        resp->tr_qm_dqalloc.tr_logflags |= XFS_TRANS_PERM_LOG_RES;
 
        /*