From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: sandeen@sandeen.net, darrick.wong@oracle.com
Cc: linux-xfs@vger.kernel.org, alex@zadara.com
Subject: [PATCH 4/6] xfs_repair: refactor fixed inode location checks
Date: Wed, 04 Dec 2019 09:04:50 -0800 [thread overview]
Message-ID: <157547908997.974712.1071264960710221462.stgit@magnolia> (raw)
In-Reply-To: <157547906289.974712.8933333382010386076.stgit@magnolia>
From: Darrick J. Wong <darrick.wong@oracle.com>
Refactor the checking and resetting of fixed-location inodes (root,
rbmino, rsumino) into a helper function.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
repair/xfs_repair.c | 106 ++++++++++++++++++---------------------------------
1 file changed, 37 insertions(+), 69 deletions(-)
diff --git a/repair/xfs_repair.c b/repair/xfs_repair.c
index 3e9059f3..94673750 100644
--- a/repair/xfs_repair.c
+++ b/repair/xfs_repair.c
@@ -395,6 +395,37 @@ do_log(char const *msg, ...)
va_end(args);
}
+/* Make sure a fixed-location inode is where it should be. */
+static void
+ensure_fixed_ino(
+ xfs_ino_t *ino,
+ xfs_ino_t expected_ino,
+ const char *tag)
+{
+ if (*ino == expected_ino)
+ return;
+
+ do_warn(
+_("sb %s inode value %" PRIu64 " %sinconsistent with calculated value %"PRIu64"\n"),
+ tag, *ino, *ino == NULLFSINO ? "(NULLFSINO) " : "",
+ expected_ino);
+
+ if (!no_modify)
+ do_warn(
+_("resetting superblock %s inode pointer to %"PRIu64"\n"),
+ tag, expected_ino);
+ else
+ do_warn(
+_("would reset superblock %s inode pointer to %"PRIu64"\n"),
+ tag, expected_ino);
+
+ /*
+ * Just set the value -- safe since the superblock doesn't get flushed
+ * out if no_modify is set.
+ */
+ *ino = expected_ino;
+}
+
static void
calc_mkfs(xfs_mount_t *mp)
{
@@ -463,75 +494,12 @@ calc_mkfs(xfs_mount_t *mp)
/*
* now the first 3 inodes in the system
*/
- if (mp->m_sb.sb_rootino != first_prealloc_ino) {
- do_warn(
-_("sb root inode value %" PRIu64 " %sinconsistent with calculated value %u\n"),
- mp->m_sb.sb_rootino,
- (mp->m_sb.sb_rootino == NULLFSINO ? "(NULLFSINO) ":""),
- first_prealloc_ino);
-
- if (!no_modify)
- do_warn(
- _("resetting superblock root inode pointer to %u\n"),
- first_prealloc_ino);
- else
- do_warn(
- _("would reset superblock root inode pointer to %u\n"),
- first_prealloc_ino);
-
- /*
- * just set the value -- safe since the superblock
- * doesn't get flushed out if no_modify is set
- */
- mp->m_sb.sb_rootino = first_prealloc_ino;
- }
-
- if (mp->m_sb.sb_rbmino != first_prealloc_ino + 1) {
- do_warn(
-_("sb realtime bitmap inode %" PRIu64 " %sinconsistent with calculated value %u\n"),
- mp->m_sb.sb_rbmino,
- (mp->m_sb.sb_rbmino == NULLFSINO ? "(NULLFSINO) ":""),
- first_prealloc_ino + 1);
-
- if (!no_modify)
- do_warn(
- _("resetting superblock realtime bitmap ino pointer to %u\n"),
- first_prealloc_ino + 1);
- else
- do_warn(
- _("would reset superblock realtime bitmap ino pointer to %u\n"),
- first_prealloc_ino + 1);
-
- /*
- * just set the value -- safe since the superblock
- * doesn't get flushed out if no_modify is set
- */
- mp->m_sb.sb_rbmino = first_prealloc_ino + 1;
- }
-
- if (mp->m_sb.sb_rsumino != first_prealloc_ino + 2) {
- do_warn(
-_("sb realtime summary inode %" PRIu64 " %sinconsistent with calculated value %u\n"),
- mp->m_sb.sb_rsumino,
- (mp->m_sb.sb_rsumino == NULLFSINO ? "(NULLFSINO) ":""),
- first_prealloc_ino + 2);
-
- if (!no_modify)
- do_warn(
- _("resetting superblock realtime summary ino pointer to %u\n"),
- first_prealloc_ino + 2);
- else
- do_warn(
- _("would reset superblock realtime summary ino pointer to %u\n"),
- first_prealloc_ino + 2);
-
- /*
- * just set the value -- safe since the superblock
- * doesn't get flushed out if no_modify is set
- */
- mp->m_sb.sb_rsumino = first_prealloc_ino + 2;
- }
-
+ ensure_fixed_ino(&mp->m_sb.sb_rootino, first_prealloc_ino,
+ _("root"));
+ ensure_fixed_ino(&mp->m_sb.sb_rbmino, first_prealloc_ino + 1,
+ _("realtime bitmap"));
+ ensure_fixed_ino(&mp->m_sb.sb_rsumino, first_prealloc_ino + 2,
+ _("realtime summary"));
}
/*
next prev parent reply other threads:[~2019-12-04 17:04 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-04 17:04 [PATCH v2 0/6] xfs_repair: do not trash valid root dirs Darrick J. Wong
2019-12-04 17:04 ` [PATCH 1/6] xfs: don't commit sunit/swidth updates to disk if that would cause repair failures Darrick J. Wong
2019-12-04 17:04 ` [PATCH 2/6] mkfs: check root inode location Darrick J. Wong
2019-12-05 14:36 ` Brian Foster
2019-12-04 17:04 ` [PATCH 3/6] xfs_repair: enforce that inode btree chunks can't point to AG headers Darrick J. Wong
2019-12-05 14:37 ` Brian Foster
2019-12-05 16:28 ` Darrick J. Wong
2019-12-06 16:00 ` Brian Foster
2019-12-12 19:11 ` Eric Sandeen
2019-12-12 20:38 ` Eric Sandeen
2019-12-12 22:10 ` Darrick J. Wong
2019-12-04 17:04 ` Darrick J. Wong [this message]
2019-12-05 14:37 ` [PATCH 4/6] xfs_repair: refactor fixed inode location checks Brian Foster
2019-12-04 17:04 ` [PATCH 5/6] xfs_repair: use libxfs function to calculate root inode location Darrick J. Wong
2019-12-05 14:37 ` Brian Foster
2019-12-04 17:05 ` [PATCH 6/6] xfs_repair: check plausibility of root dir pointer before trashing it Darrick J. Wong
2019-12-05 14:38 ` Brian Foster
2019-12-12 22:46 ` [PATCH 6/6] xfs_repair: check plausibility of root dir pointer before trashing it\ Darrick J. Wong
2019-12-13 11:19 ` Brian Foster
2019-12-16 16:34 ` Darrick J. Wong
2019-12-17 11:32 ` Brian Foster
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