diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index bcbb66150838..02a80984aa05 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -254,6 +254,20 @@ xfs_buf_item_format(
vecp++;
nvecs = 1;
+ /*
+ * If it is an inode buffer, transfer the in-memory state to the
+ * format flags and clear the in-memory state. We do not transfer
+ * this state if the inode buffer allocation has not yet been committed
+ * to the log as setting the XFS_BLI_INODE_BUF flag will prevent
+ * correct replay of the inode allocation.
+ */
+ if (bip->bli_flags & XFS_BLI_INODE_BUF) {
+ if (!((bip->bli_flags & XFS_BLI_INODE_ALLOC_BUF) &&
+ xfs_log_item_in_current_chkpt(&bip->bli_item)))
+ bip->bli_format.blf_flags |= XFS_BLF_INODE_BUF;
+ bip->bli_flags &= ~XFS_BLI_INODE_BUF;
+ }
+
if (bip->bli_flags & XFS_BLI_STALE) {
/*
* The buffer is stale, so all we need to log
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h
index 8cbb82b1d95c..f20bb472d582 100644
--- a/fs/xfs/xfs_buf_item.h
+++ b/fs/xfs/xfs_buf_item.h
@@ -69,6 +69,7 @@ typedef struct xfs_buf_log_format {
#define XFS_BLI_LOGGED 0x08
#define XFS_BLI_INODE_ALLOC_BUF 0x10
#define XFS_BLI_STALE_INODE 0x20
+#define XFS_BLI_INODE_BUF 0x40
#define XFS_BLI_FLAGS \
{ XFS_BLI_HOLD, "HOLD" }, \
@@ -76,7 +77,8 @@ typedef struct xfs_buf_log_format {
{ XFS_BLI_STALE, "STALE" }, \
{ XFS_BLI_LOGGED, "LOGGED" }, \
{ XFS_BLI_INODE_ALLOC_BUF, "INODE_ALLOC" }, \
- { XFS_BLI_STALE_INODE, "STALE_INODE" }
+ { XFS_BLI_STALE_INODE, "STALE_INODE" }, \
+ { XFS_BLI_INODE_BUF, "INODE_BUF" }
#ifdef __KERNEL__
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index 4a0c57432e8f..04c78e642cc8 100644
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -198,6 +198,7 @@ xlog_tid_t xfs_log_get_trans_ident(struct xfs_trans *tp);
int xfs_log_commit_cil(struct xfs_mount *mp, struct xfs_trans *tp,
struct xfs_log_vec *log_vector,
xfs_lsn_t *commit_lsn, int flags);
+bool xfs_log_item_in_current_chkpt(struct xfs_log_item *lip);
#endif
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index 9b21f80f31ce..bb17cc044bf3 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -199,6 +199,15 @@ xlog_cil_insert(
list_move_tail(&item->li_cil, &cil->xc_cil);
ctx->nvecs += diff_iovecs;
+ /*
+ * If this is the first time the item is being committed to the CIL,
+ * store the sequence number on the log item so we can tell
+ * in future commits whether this is the first checkpoint the item is
+ * being committed into.
+ */
+ if (!item->li_seq)
+ item->li_seq = ctx->sequence;
+
/*
* Now transfer enough transaction reservation to the context ticket
* for the checkpoint. The context ticket is special - the unit
@@ -325,6 +334,10 @@ xlog_cil_free_logvec(
* For more specific information about the order of operations in
* xfs_log_commit_cil() please refer to the comments in
* xfs_trans_commit_iclog().
+ *
+ * Called with the context lock already held in read mode to lock out
+ * background commit, returns without it held once background commits are
+ * allowed again.
*/
int
xfs_log_commit_cil(
@@ -678,3 +691,35 @@ restart:
spin_unlock(&cil->xc_cil_lock);
return commit_lsn;
}
+
+/*
+ * Check if the current log item was first committed in this sequence.
+ * We can't rely on just the log item being in the CIL, we have to check
+ * the recorded commit sequence number.
+ *
+ * Note: for this to be used in a non-racy manner, it has to be called with
+ * CIL flushing locked out. As a result, it should only be used during the
+ * transaction commit process when deciding what to format into the item.
+ */
+bool
+xfs_log_item_in_current_chkpt(
+ struct xfs_log_item *lip)
+{
+ struct xfs_cil_ctx *ctx;
+
+ if (!(lip->li_mountp->m_flags & XFS_MOUNT_DELAYLOG))
+ return false;
+ if (list_empty(&lip->li_cil))
+ return false;
+
+ ctx = lip->li_mountp->m_log->l_cilp->xc_ctx;
+
+ /*
+ * li_seq is written on the first commit of a log item to record the
+ * first checkpoint it is written to. Hence if it is different to the
+ * current sequence, we're in a new checkpoint.
+ */
+ if (XFS_LSN_CMP(lip->li_seq, ctx->sequence) != 0)
+ return false;
+ return true;
+}
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index b1ea20c66b3e..8c69e7824f68 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -835,6 +835,7 @@ typedef struct xfs_log_item {
/* delayed logging */
struct list_head li_cil; /* CIL pointers */
struct xfs_log_vec *li_lv; /* active log vector */
+ xfs_lsn_t li_seq; /* CIL commit seq */
} xfs_log_item_t;
#define XFS_LI_IN_AIL 0x1
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 3390c3e7441b..63d81a22f4fd 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -792,7 +792,7 @@ xfs_trans_binval(
XFS_BUF_UNDELAYWRITE(bp);
XFS_BUF_STALE(bp);
bip->bli_flags |= XFS_BLI_STALE;
- bip->bli_flags &= ~(XFS_BLI_LOGGED | XFS_BLI_DIRTY);
+ bip->bli_flags &= ~(XFS_BLI_INODE_BUF | XFS_BLI_LOGGED | XFS_BLI_DIRTY);
bip->bli_format.blf_flags &= ~XFS_BLF_INODE_BUF;
bip->bli_format.blf_flags |= XFS_BLF_CANCEL;
memset((char *)(bip->bli_format.blf_data_map), 0,
@@ -802,16 +802,16 @@ xfs_trans_binval(
}
/*
- * This call is used to indicate that the buffer contains on-disk
- * inodes which must be handled specially during recovery. They
- * require special handling because only the di_next_unlinked from
- * the inodes in the buffer should be recovered. The rest of the
- * data in the buffer is logged via the inodes themselves.
+ * This call is used to indicate that the buffer contains on-disk inodes which
+ * must be handled specially during recovery. They require special handling
+ * because only the di_next_unlinked from the inodes in the buffer should be
+ * recovered. The rest of the data in the buffer is logged via the inodes
+ * themselves.
*
- * All we do is set the XFS_BLI_INODE_BUF flag in the buffer's log
- * format structure so that we'll know what to do at recovery time.
+ * All we do is set the XFS_BLI_INODE_BUF flag in the items flags so it can be
+ * transferred to the buffer's log format structure so that we'll know what to
+ * do at recovery time.
*/
-/* ARGSUSED */
void
xfs_trans_inode_buf(
xfs_trans_t *tp,
@@ -826,7 +826,7 @@ xfs_trans_inode_buf(
bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *);
ASSERT(atomic_read(&bip->bli_refcount) > 0);
- bip->bli_format.blf_flags |= XFS_BLF_INODE_BUF;
+ bip->bli_flags |= XFS_BLI_INODE_BUF;
}
/*