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[RFC,07/13] Add the extra space requirements for parent pointer attributes when calculating the minimum log size during mkfs

Message ID 1502329293-4091-8-git-send-email-allison.henderson@oracle.com (mailing list archive)
State Superseded
Headers show

Commit Message

Allison Henderson Aug. 10, 2017, 1:41 a.m. UTC 
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
---
:100644 100644 c105979... beec9bf... M	fs/xfs/libxfs/xfs_log_rlimit.c
 fs/xfs/libxfs/xfs_log_rlimit.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
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Patch

diff --git a/fs/xfs/libxfs/xfs_log_rlimit.c b/fs/xfs/libxfs/xfs_log_rlimit.c
index c105979..beec9bf 100644
--- a/fs/xfs/libxfs/xfs_log_rlimit.c
+++ b/fs/xfs/libxfs/xfs_log_rlimit.c
@@ -39,6 +39,40 @@  xfs_log_calc_max_attrsetm_res(
 {
 	int			size;
 	int			nblks;
+	struct xfs_trans_resv   *resp = M_RES(mp);
+
+	/* Calculate extra space needed for parent pointer attributes */
+	if (!xfs_sb_version_hasparent(&mp->m_sb)) {
+
+		/* rename can add/remove/modify 2 parent attributes */
+		resp->tr_rename.tr_logres +=
+			2 * max(resp->tr_attrsetm.tr_logres,
+				resp->tr_attrrm.tr_logres);
+		resp->tr_rename.tr_logcount +=
+			2 * max(resp->tr_attrsetm.tr_logcount,
+				resp->tr_attrrm.tr_logcount);
+
+		/* create will add 1 parent attribute */
+		resp->tr_create.tr_logres += resp->tr_attrsetm.tr_logres;
+		resp->tr_create.tr_logcount += resp->tr_attrsetm.tr_logcount;
+
+		/* mkdir will add 1 parent attribute */
+		resp->tr_mkdir.tr_logres += resp->tr_attrsetm.tr_logres;
+		resp->tr_mkdir.tr_logcount += resp->tr_attrsetm.tr_logcount;
+
+		/* link will add 1 parent attribute */
+		resp->tr_link.tr_logres += resp->tr_attrsetm.tr_logres;
+		resp->tr_link.tr_logcount += resp->tr_attrsetm.tr_logcount;
+
+		/* symlink will add 1 parent attribute */
+		resp->tr_symlink.tr_logres += resp->tr_attrsetm.tr_logres;
+		resp->tr_symlink.tr_logcount += resp->tr_attrsetm.tr_logcount;
+
+		/* remove will remove 1 parent attribute */
+		resp->tr_remove.tr_logres += resp->tr_attrrm.tr_logres;
+		resp->tr_remove.tr_logcount = resp->tr_attrrm.tr_logcount;
+	}
+
 
 	size = xfs_attr_leaf_entsize_local_max(mp->m_attr_geo->blksize) -
 	       MAXNAMELEN - 1;