[PATCH 3/8] xfs: move and rename xfs_blkdev_issue_flush

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From: Dave Chinner <dchinner@xxxxxxxxxx>

Move it to xfs_bio_io.c as we are about to add new async cache flush
functionality that uses bios directly, so all this stuff should be
in the same place. Rename the function to xfs_flush_bdev() to match
the xfs_rw_bdev() function that already exists in this file.

Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
---
 fs/xfs/xfs_bio_io.c | 8 ++++++++
 fs/xfs/xfs_buf.c    | 2 +-
 fs/xfs/xfs_file.c   | 6 +++---
 fs/xfs/xfs_linux.h  | 1 +
 fs/xfs/xfs_log.c    | 2 +-
 fs/xfs/xfs_super.c  | 7 -------
 fs/xfs/xfs_super.h  | 1 -
 7 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/fs/xfs/xfs_bio_io.c b/fs/xfs/xfs_bio_io.c
index e2148f2d5d6b..5abf653a45d4 100644
--- a/fs/xfs/xfs_bio_io.c
+++ b/fs/xfs/xfs_bio_io.c
@@ -59,3 +59,11 @@ xfs_rw_bdev(
 		invalidate_kernel_vmap_range(data, count);
 	return error;
 }
+
+void
+xfs_flush_bdev(
+	struct block_device	*bdev)
+{
+	blkdev_issue_flush(bdev, GFP_NOFS);
+}
+
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index f6e5235df7c9..b1d6c530c693 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1958,7 +1958,7 @@ xfs_free_buftarg(
 	percpu_counter_destroy(&btp->bt_io_count);
 	list_lru_destroy(&btp->bt_lru);
 
-	xfs_blkdev_issue_flush(btp);
+	xfs_flush_bdev(btp->bt_bdev);
 
 	kmem_free(btp);
 }
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 38528e59030e..dd33ef2d0e20 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -196,9 +196,9 @@ xfs_file_fsync(
 	 * inode size in case of an extending write.
 	 */
 	if (XFS_IS_REALTIME_INODE(ip))
-		xfs_blkdev_issue_flush(mp->m_rtdev_targp);
+		xfs_flush_bdev(mp->m_rtdev_targp->bt_bdev);
 	else if (mp->m_logdev_targp != mp->m_ddev_targp)
-		xfs_blkdev_issue_flush(mp->m_ddev_targp);
+		xfs_flush_bdev(mp->m_ddev_targp->bt_bdev);
 
 	/*
 	 * Any inode that has dirty modifications in the log is pinned.  The
@@ -218,7 +218,7 @@ xfs_file_fsync(
 	 */
 	if (!log_flushed && !XFS_IS_REALTIME_INODE(ip) &&
 	    mp->m_logdev_targp == mp->m_ddev_targp)
-		xfs_blkdev_issue_flush(mp->m_ddev_targp);
+		xfs_flush_bdev(mp->m_ddev_targp->bt_bdev);
 
 	return error;
 }
diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h
index af6be9b9ccdf..e94a2aeefee8 100644
--- a/fs/xfs/xfs_linux.h
+++ b/fs/xfs/xfs_linux.h
@@ -196,6 +196,7 @@ static inline uint64_t howmany_64(uint64_t x, uint32_t y)
 
 int xfs_rw_bdev(struct block_device *bdev, sector_t sector, unsigned int count,
 		char *data, unsigned int op);
+void xfs_flush_bdev(struct block_device *bdev);
 
 #define ASSERT_ALWAYS(expr)	\
 	(likely(expr) ? (void)0 : assfail(NULL, #expr, __FILE__, __LINE__))
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index ff26fb46d70f..493454c98c6f 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -2015,7 +2015,7 @@ xlog_sync(
 	 * layer state machine for preflushes.
 	 */
 	if (log->l_targ != log->l_mp->m_ddev_targp || split) {
-		xfs_blkdev_issue_flush(log->l_mp->m_ddev_targp);
+		xfs_flush_bdev(log->l_mp->m_ddev_targp->bt_bdev);
 		need_flush = false;
 	}
 
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 21b1d034aca3..85dd9593b40b 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -339,13 +339,6 @@ xfs_blkdev_put(
 		blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
 }
 
-void
-xfs_blkdev_issue_flush(
-	xfs_buftarg_t		*buftarg)
-{
-	blkdev_issue_flush(buftarg->bt_bdev, GFP_NOFS);
-}
-
 STATIC void
 xfs_close_devices(
 	struct xfs_mount	*mp)
diff --git a/fs/xfs/xfs_super.h b/fs/xfs/xfs_super.h
index 1ca484b8357f..79cb2dece811 100644
--- a/fs/xfs/xfs_super.h
+++ b/fs/xfs/xfs_super.h
@@ -88,7 +88,6 @@ struct block_device;
 
 extern void xfs_quiesce_attr(struct xfs_mount *mp);
 extern void xfs_flush_inodes(struct xfs_mount *mp);
-extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
 extern xfs_agnumber_t xfs_set_inode_alloc(struct xfs_mount *,
 					   xfs_agnumber_t agcount);
 
-- 
2.28.0




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