xfs: use bt_nr_sectors in xfs_dax_translate_range

Christoph Hellwig · cmaiolino · commit 6ef2175fce30 · 2025-09-22T12:55:20.000+02:00
Only ranges inside the file system can be translated, and the file system can be smaller than the containing device. Fixes: f4ed930 ("xfs: don't shut down the filesystem for media failures beyond end of log") Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Carlos Maiolino <cem@kernel.org>
diff --git a/fs/xfs/xfs_notify_failure.c b/fs/xfs/xfs_notify_failure.c
@@ -165,7 +165,7 @@ xfs_dax_translate_range(
 	uint64_t		*bblen)
 {
 	u64			dev_start = btp->bt_dax_part_off;
-	u64			dev_len = bdev_nr_bytes(btp->bt_bdev);
+	u64			dev_len = BBTOB(btp->bt_nr_sectors);
 	u64			dev_end = dev_start + dev_len - 1;
 
 	/* Notify failure on the whole device. */

Original file line number	Diff line number	Diff line change
`@@ -165,7 +165,7 @@ xfs_dax_translate_range(`
`165`	`165`	`uint64_t *bblen)`
`166`	`166`	`{`
`167`	`167`	`u64 dev_start = btp->bt_dax_part_off;`
`168`		`- u64 dev_len = bdev_nr_bytes(btp->bt_bdev);`
	`168`	`+ u64 dev_len = BBTOB(btp->bt_nr_sectors);`
`169`	`169`	`u64 dev_end = dev_start + dev_len - 1;`
`170`	`170`
`171`	`171`	`/* Notify failure on the whole device. */`