diff mbox series

[06/30] xfs: mark log recovery buffers for completion

Message ID 20200604074606.266213-7-david@fromorbit.com (mailing list archive)
State Superseded
Headers show
Series xfs: rework inode flushing to make inode reclaim fully asynchronous | expand

Commit Message

Dave Chinner June 4, 2020, 7:45 a.m. UTC 
From: Dave Chinner <dchinner@redhat.com>

Log recovery has it's own buffer write completion handler for
buffers that it directly recovers. Convert these to direct calls by
flagging these buffers as being log recovery buffers. The flag will
get cleared by the log recovery IO completion routine, so it will
never leak out of log recovery.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 fs/xfs/xfs_buf.c                | 10 ++++++++++
 fs/xfs/xfs_buf.h                |  2 ++
 fs/xfs/xfs_buf_item_recover.c   |  5 ++---
 fs/xfs/xfs_dquot_item_recover.c |  2 +-
 fs/xfs/xfs_inode_item_recover.c |  2 +-
 fs/xfs/xfs_log_recover.c        |  5 ++---
 6 files changed, 18 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 3bffde8640a52..0a69de674af9d 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -14,6 +14,7 @@ 
 #include "xfs_mount.h"
 #include "xfs_trace.h"
 #include "xfs_log.h"
+#include "xfs_log_recover.h"
 #include "xfs_trans.h"
 #include "xfs_buf_item.h"
 #include "xfs_errortag.h"
@@ -1207,6 +1208,15 @@  xfs_buf_ioend(
 	if (read)
 		goto out_finish;
 
+	/*
+	 * If this is a log recovery buffer, we aren't doing transactional IO
+	 * yet so we need to let it handle IO completions.
+	 */
+	if (bp->b_flags & _XBF_LOGRECOVERY) {
+		xlog_recover_iodone(bp);
+		return;
+	}
+
 	if (bp->b_flags & _XBF_INODES) {
 		xfs_buf_inode_iodone(bp);
 		return;
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index c1d0843206dd6..30dabc5bae96d 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -33,6 +33,7 @@ 
 /* buffer type flags for write callbacks */
 #define _XBF_INODES	 (1 << 16)/* inode buffer */
 #define _XBF_DQUOTS	 (1 << 17)/* dquot buffer */
+#define _XBF_LOGRECOVERY	 (1 << 18)/* log recovery buffer */
 
 /* flags used only internally */
 #define _XBF_PAGES	 (1 << 20)/* backed by refcounted pages */
@@ -56,6 +57,7 @@  typedef unsigned int xfs_buf_flags_t;
 	{ XBF_WRITE_FAIL,	"WRITE_FAIL" }, \
 	{ _XBF_INODES,		"INODES" }, \
 	{ _XBF_DQUOTS,		"DQUOTS" }, \
+	{ _XBF_LOGRECOVERY,		"LOG_RECOVERY" }, \
 	{ _XBF_PAGES,		"PAGES" }, \
 	{ _XBF_KMEM,		"KMEM" }, \
 	{ _XBF_DELWRI_Q,	"DELWRI_Q" }, \
diff --git a/fs/xfs/xfs_buf_item_recover.c b/fs/xfs/xfs_buf_item_recover.c
index 04faa7310c4f0..74c851f60eeeb 100644
--- a/fs/xfs/xfs_buf_item_recover.c
+++ b/fs/xfs/xfs_buf_item_recover.c
@@ -419,8 +419,7 @@  xlog_recover_validate_buf_type(
 	if (bp->b_ops) {
 		struct xfs_buf_log_item	*bip;
 
-		ASSERT(!bp->b_iodone || bp->b_iodone == xlog_recover_iodone);
-		bp->b_iodone = xlog_recover_iodone;
+		bp->b_flags |= _XBF_LOGRECOVERY;
 		xfs_buf_item_init(bp, mp);
 		bip = bp->b_log_item;
 		bip->bli_item.li_lsn = current_lsn;
@@ -963,7 +962,7 @@  xlog_recover_buf_commit_pass2(
 		error = xfs_bwrite(bp);
 	} else {
 		ASSERT(bp->b_mount == mp);
-		bp->b_iodone = xlog_recover_iodone;
+		bp->b_flags |= _XBF_LOGRECOVERY;
 		xfs_buf_delwri_queue(bp, buffer_list);
 	}
 
diff --git a/fs/xfs/xfs_dquot_item_recover.c b/fs/xfs/xfs_dquot_item_recover.c
index 3400be4c88f08..f9ea9f55aa7cc 100644
--- a/fs/xfs/xfs_dquot_item_recover.c
+++ b/fs/xfs/xfs_dquot_item_recover.c
@@ -153,7 +153,7 @@  xlog_recover_dquot_commit_pass2(
 
 	ASSERT(dq_f->qlf_size == 2);
 	ASSERT(bp->b_mount == mp);
-	bp->b_iodone = xlog_recover_iodone;
+	bp->b_flags |= _XBF_LOGRECOVERY;
 	xfs_buf_delwri_queue(bp, buffer_list);
 
 out_release:
diff --git a/fs/xfs/xfs_inode_item_recover.c b/fs/xfs/xfs_inode_item_recover.c
index dc3e26ff16c90..5e0d291835b35 100644
--- a/fs/xfs/xfs_inode_item_recover.c
+++ b/fs/xfs/xfs_inode_item_recover.c
@@ -376,7 +376,7 @@  xlog_recover_inode_commit_pass2(
 	xfs_dinode_calc_crc(log->l_mp, dip);
 
 	ASSERT(bp->b_mount == mp);
-	bp->b_iodone = xlog_recover_iodone;
+	bp->b_flags |= _XBF_LOGRECOVERY;
 	xfs_buf_delwri_queue(bp, buffer_list);
 
 out_release:
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index ec015df55b77a..52a65a74208ff 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -287,9 +287,8 @@  xlog_recover_iodone(
 	if (bp->b_log_item)
 		xfs_buf_item_relse(bp);
 	ASSERT(bp->b_log_item == NULL);
-
-	bp->b_iodone = NULL;
-	xfs_buf_ioend(bp);
+	bp->b_flags &= ~_XBF_LOGRECOVERY;
+	xfs_buf_ioend_finish(bp);
 }
 
 /*