[PATCH 2/8] xfs_db: report the realtime device when associated with each io cursor

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From: Darrick J. Wong <djwong@xxxxxxxxxx>

When db is reporting on an io cursor and the cursor points to the
realtime device, print that fact.

Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
 db/block.c |    2 ++
 db/io.c    |   11 +++++++++++
 db/io.h    |    1 +
 3 files changed, 14 insertions(+)


diff --git a/db/block.c b/db/block.c
index 22930e5a287e8f..bd25cdbe193f4f 100644
--- a/db/block.c
+++ b/db/block.c
@@ -133,6 +133,8 @@ daddr_f(
 			dbprintf(_("datadev daddr is %lld\n"), daddr);
 		else if (iocur_is_extlogdev(iocur_top))
 			dbprintf(_("logdev daddr is %lld\n"), daddr);
+		else if (iocur_is_rtdev(iocur_top))
+			dbprintf(_("rtdev daddr is %lld\n"), daddr);
 		else
 			dbprintf(_("current daddr is %lld\n"), daddr);
 
diff --git a/db/io.c b/db/io.c
index 26b8e78c2ebda8..3841c0dcb86ead 100644
--- a/db/io.c
+++ b/db/io.c
@@ -159,6 +159,15 @@ iocur_is_extlogdev(const struct iocur *ioc)
 	return bp->b_target == bp->b_mount->m_logdev_targp;
 }
 
+bool
+iocur_is_rtdev(const struct iocur *ioc)
+{
+	if (!ioc->bp)
+		return false;
+
+	return ioc->bp->b_target == ioc->bp->b_mount->m_rtdev_targp;
+}
+
 void
 print_iocur(
 	char	*tag,
@@ -171,6 +180,8 @@ print_iocur(
 		block_unit = "fsbno";
 	else if (iocur_is_extlogdev(ioc))
 		block_unit = "logbno";
+	else if (iocur_is_rtdev(ioc))
+		block_unit = "rtbno";
 
 	dbprintf("%s\n", tag);
 	dbprintf(_("\tbyte offset %lld, length %d\n"), ioc->off, ioc->len);
diff --git a/db/io.h b/db/io.h
index cece66a1cf825a..653724e90bd270 100644
--- a/db/io.h
+++ b/db/io.h
@@ -60,6 +60,7 @@ extern void	xfs_verify_recalc_crc(struct xfs_buf *bp);
 
 bool iocur_is_ddev(const struct iocur *ioc);
 bool iocur_is_extlogdev(const struct iocur *ioc);
+bool iocur_is_rtdev(const struct iocur *ioc);
 
 /*
  * returns -1 for unchecked, 0 for bad and 1 for good





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