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Diffstat (limited to 'fs/xfs/xfs_log_recover.c')
-rw-r--r--fs/xfs/xfs_log_recover.c171
1 files changed, 153 insertions, 18 deletions
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index b6b669d..3979749 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -17,34 +17,42 @@
*/
#include "xfs.h"
#include "xfs_fs.h"
-#include "xfs_shared.h"
#include "xfs_format.h"
-#include "xfs_log_format.h"
-#include "xfs_trans_resv.h"
#include "xfs_bit.h"
+#include "xfs_log.h"
#include "xfs_inum.h"
+#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
#include "xfs_mount.h"
-#include "xfs_da_format.h"
+#include "xfs_error.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_alloc_btree.h"
+#include "xfs_ialloc_btree.h"
+#include "xfs_btree.h"
+#include "xfs_dinode.h"
#include "xfs_inode.h"
-#include "xfs_trans.h"
-#include "xfs_log.h"
+#include "xfs_inode_item.h"
+#include "xfs_alloc.h"
+#include "xfs_ialloc.h"
#include "xfs_log_priv.h"
+#include "xfs_buf_item.h"
#include "xfs_log_recover.h"
-#include "xfs_inode_item.h"
#include "xfs_extfree_item.h"
#include "xfs_trans_priv.h"
-#include "xfs_alloc.h"
-#include "xfs_ialloc.h"
#include "xfs_quota.h"
#include "xfs_cksum.h"
#include "xfs_trace.h"
#include "xfs_icache.h"
-#include "xfs_bmap_btree.h"
-#include "xfs_dinode.h"
-#include "xfs_error.h"
+#include "xfs_icreate_item.h"
+
+/* Need all the magic numbers and buffer ops structures from these headers */
+#include "xfs_symlink.h"
+#include "xfs_da_btree.h"
+#include "xfs_dir2_format.h"
#include "xfs_dir2.h"
+#include "xfs_attr_leaf.h"
+#include "xfs_attr_remote.h"
#define BLK_AVG(blk1, blk2) ((blk1+blk2) >> 1)
@@ -297,9 +305,9 @@ xlog_header_check_dump(
xfs_mount_t *mp,
xlog_rec_header_t *head)
{
- xfs_debug(mp, "%s: SB : uuid = %pU, fmt = %d",
+ xfs_debug(mp, "%s: SB : uuid = %pU, fmt = %d\n",
__func__, &mp->m_sb.sb_uuid, XLOG_FMT);
- xfs_debug(mp, " log : uuid = %pU, fmt = %d",
+ xfs_debug(mp, " log : uuid = %pU, fmt = %d\n",
&head->h_fs_uuid, be32_to_cpu(head->h_fmt));
}
#else
@@ -2354,7 +2362,7 @@ xlog_recover_do_reg_buffer(
item->ri_buf[i].i_len, __func__);
goto next;
}
- error = xfs_dqcheck(mp, item->ri_buf[i].i_addr,
+ error = xfs_qm_dqcheck(mp, item->ri_buf[i].i_addr,
-1, 0, XFS_QMOPT_DOWARN,
"dquot_buf_recover");
if (error)
@@ -2386,6 +2394,133 @@ xlog_recover_do_reg_buffer(
}
/*
+ * Do some primitive error checking on ondisk dquot data structures.
+ */
+int
+xfs_qm_dqcheck(
+ struct xfs_mount *mp,
+ xfs_disk_dquot_t *ddq,
+ xfs_dqid_t id,
+ uint type, /* used only when IO_dorepair is true */
+ uint flags,
+ char *str)
+{
+ xfs_dqblk_t *d = (xfs_dqblk_t *)ddq;
+ int errs = 0;
+
+ /*
+ * We can encounter an uninitialized dquot buffer for 2 reasons:
+ * 1. If we crash while deleting the quotainode(s), and those blks got
+ * used for user data. This is because we take the path of regular
+ * file deletion; however, the size field of quotainodes is never
+ * updated, so all the tricks that we play in itruncate_finish
+ * don't quite matter.
+ *
+ * 2. We don't play the quota buffers when there's a quotaoff logitem.
+ * But the allocation will be replayed so we'll end up with an
+ * uninitialized quota block.
+ *
+ * This is all fine; things are still consistent, and we haven't lost
+ * any quota information. Just don't complain about bad dquot blks.
+ */
+ if (ddq->d_magic != cpu_to_be16(XFS_DQUOT_MAGIC)) {
+ if (flags & XFS_QMOPT_DOWARN)
+ xfs_alert(mp,
+ "%s : XFS dquot ID 0x%x, magic 0x%x != 0x%x",
+ str, id, be16_to_cpu(ddq->d_magic), XFS_DQUOT_MAGIC);
+ errs++;
+ }
+ if (ddq->d_version != XFS_DQUOT_VERSION) {
+ if (flags & XFS_QMOPT_DOWARN)
+ xfs_alert(mp,
+ "%s : XFS dquot ID 0x%x, version 0x%x != 0x%x",
+ str, id, ddq->d_version, XFS_DQUOT_VERSION);
+ errs++;
+ }
+
+ if (ddq->d_flags != XFS_DQ_USER &&
+ ddq->d_flags != XFS_DQ_PROJ &&
+ ddq->d_flags != XFS_DQ_GROUP) {
+ if (flags & XFS_QMOPT_DOWARN)
+ xfs_alert(mp,
+ "%s : XFS dquot ID 0x%x, unknown flags 0x%x",
+ str, id, ddq->d_flags);
+ errs++;
+ }
+
+ if (id != -1 && id != be32_to_cpu(ddq->d_id)) {
+ if (flags & XFS_QMOPT_DOWARN)
+ xfs_alert(mp,
+ "%s : ondisk-dquot 0x%p, ID mismatch: "
+ "0x%x expected, found id 0x%x",
+ str, ddq, id, be32_to_cpu(ddq->d_id));
+ errs++;
+ }
+
+ if (!errs && ddq->d_id) {
+ if (ddq->d_blk_softlimit &&
+ be64_to_cpu(ddq->d_bcount) >
+ be64_to_cpu(ddq->d_blk_softlimit)) {
+ if (!ddq->d_btimer) {
+ if (flags & XFS_QMOPT_DOWARN)
+ xfs_alert(mp,
+ "%s : Dquot ID 0x%x (0x%p) BLK TIMER NOT STARTED",
+ str, (int)be32_to_cpu(ddq->d_id), ddq);
+ errs++;
+ }
+ }
+ if (ddq->d_ino_softlimit &&
+ be64_to_cpu(ddq->d_icount) >
+ be64_to_cpu(ddq->d_ino_softlimit)) {
+ if (!ddq->d_itimer) {
+ if (flags & XFS_QMOPT_DOWARN)
+ xfs_alert(mp,
+ "%s : Dquot ID 0x%x (0x%p) INODE TIMER NOT STARTED",
+ str, (int)be32_to_cpu(ddq->d_id), ddq);
+ errs++;
+ }
+ }
+ if (ddq->d_rtb_softlimit &&
+ be64_to_cpu(ddq->d_rtbcount) >
+ be64_to_cpu(ddq->d_rtb_softlimit)) {
+ if (!ddq->d_rtbtimer) {
+ if (flags & XFS_QMOPT_DOWARN)
+ xfs_alert(mp,
+ "%s : Dquot ID 0x%x (0x%p) RTBLK TIMER NOT STARTED",
+ str, (int)be32_to_cpu(ddq->d_id), ddq);
+ errs++;
+ }
+ }
+ }
+
+ if (!errs || !(flags & XFS_QMOPT_DQREPAIR))
+ return errs;
+
+ if (flags & XFS_QMOPT_DOWARN)
+ xfs_notice(mp, "Re-initializing dquot ID 0x%x", id);
+
+ /*
+ * Typically, a repair is only requested by quotacheck.
+ */
+ ASSERT(id != -1);
+ ASSERT(flags & XFS_QMOPT_DQREPAIR);
+ memset(d, 0, sizeof(xfs_dqblk_t));
+
+ d->dd_diskdq.d_magic = cpu_to_be16(XFS_DQUOT_MAGIC);
+ d->dd_diskdq.d_version = XFS_DQUOT_VERSION;
+ d->dd_diskdq.d_flags = type;
+ d->dd_diskdq.d_id = cpu_to_be32(id);
+
+ if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ uuid_copy(&d->dd_uuid, &mp->m_sb.sb_uuid);
+ xfs_update_cksum((char *)d, sizeof(struct xfs_dqblk),
+ XFS_DQUOT_CRC_OFF);
+ }
+
+ return errs;
+}
+
+/*
* Perform a dquot buffer recovery.
* Simple algorithm: if we have found a QUOTAOFF log item of the same type
* (ie. USR or GRP), then just toss this buffer away; don't recover it.
@@ -2990,7 +3125,7 @@ xlog_recover_dquot_pass2(
*/
dq_f = item->ri_buf[0].i_addr;
ASSERT(dq_f);
- error = xfs_dqcheck(mp, recddq, dq_f->qlf_id, 0, XFS_QMOPT_DOWARN,
+ error = xfs_qm_dqcheck(mp, recddq, dq_f->qlf_id, 0, XFS_QMOPT_DOWARN,
"xlog_recover_dquot_pass2 (log copy)");
if (error)
return XFS_ERROR(EIO);
@@ -3010,7 +3145,7 @@ xlog_recover_dquot_pass2(
* was among a chunk of dquots created earlier, and we did some
* minimal initialization then.
*/
- error = xfs_dqcheck(mp, ddq, dq_f->qlf_id, 0, XFS_QMOPT_DOWARN,
+ error = xfs_qm_dqcheck(mp, ddq, dq_f->qlf_id, 0, XFS_QMOPT_DOWARN,
"xlog_recover_dquot_pass2");
if (error) {
xfs_buf_relse(bp);
@@ -3942,7 +4077,7 @@ xlog_unpack_data_crc(
if (crc != rhead->h_crc) {
if (rhead->h_crc || xfs_sb_version_hascrc(&log->l_mp->m_sb)) {
xfs_alert(log->l_mp,
- "log record CRC mismatch: found 0x%x, expected 0x%x.",
+ "log record CRC mismatch: found 0x%x, expected 0x%x.\n",
le32_to_cpu(rhead->h_crc),
le32_to_cpu(crc));
xfs_hex_dump(dp, 32);
generated by cgit v0.10.2 at 2024-10-02 13:57:00 (GMT)