[PATCH] xfs: refactor log recovery check

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From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

Add a predicate to decide if the log is actively in recovery and use
that instead of open-coding a pagf_init check in the attr leaf verifier.

Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
 fs/xfs/libxfs/xfs_attr_leaf.c |    3 +--
 fs/xfs/xfs_log.c              |    9 +++++++++
 fs/xfs/xfs_log.h              |    1 +
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index 4e7ef79a83c7..6fc5425b1474 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -242,7 +242,6 @@ xfs_attr3_leaf_verify(
 	struct xfs_attr3_icleaf_hdr	ichdr;
 	struct xfs_mount		*mp = bp->b_target->bt_mount;
 	struct xfs_attr_leafblock	*leaf = bp->b_addr;
-	struct xfs_perag		*pag = bp->b_pag;
 	struct xfs_attr_leaf_entry	*entries;
 	uint16_t			end;
 	int				i;
@@ -270,7 +269,7 @@ xfs_attr3_leaf_verify(
 	 * because we may have transitioned an empty shortform attr to a leaf
 	 * if the attr didn't fit in shortform.
 	 */
-	if (pag && pag->pagf_init && ichdr.count == 0)
+	if (!xfs_log_in_recovery(mp) && ichdr.count == 0)
 		return __this_address;
 
 	/*
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index fd10b1426382..00df4f39093a 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -4104,3 +4104,12 @@ xfs_log_check_lsn(
 
 	return valid;
 }
+
+bool
+xfs_log_in_recovery(
+	struct xfs_mount	*mp)
+{
+	struct xlog		*log = mp->m_log;
+
+	return log->l_flags & XLOG_ACTIVE_RECOVERY;
+}
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index 3c1f6a8b4b70..73a64bf32f6f 100644
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -153,5 +153,6 @@ bool	xfs_log_item_in_current_chkpt(struct xfs_log_item *lip);
 void	xfs_log_work_queue(struct xfs_mount *mp);
 void	xfs_log_quiesce(struct xfs_mount *mp);
 bool	xfs_log_check_lsn(struct xfs_mount *, xfs_lsn_t);
+bool	xfs_log_in_recovery(struct xfs_mount *);
 
 #endif	/* __XFS_LOG_H__ */
--
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