From: Pankaj Raghav
Date: Tue, 17 May 2022 18:45:32 +0000 (+0200)
Subject: btrfs: zoned: fix comment description for sb_write_pointer logic
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=31f37269802b7d2ce5ec98240b801948345809b4;p=linux.git
btrfs: zoned: fix comment description for sb_write_pointer logic
Fix the comment to represent the actual logic used for sb_write_pointer
- Empty[0] && In use[1] should be an invalid state instead of returning
zone 0 wp
- Empty[0] && Full[1] should be returning zone 0 wp instead of zone 1 wp
- In use[0] && Empty[1] should be returning zone 0 wp instead of being an
invalid state
- In use[0] && Full[1] should be returning zone 0 wp instead of returning
zone 1 wp
- Full[0] && Empty[1] should be returning zone 1 wp instead of returning
zone 0 wp
- Full[0] && In use[1] should be returning zone 1 wp instead of returning
zone 0 wp
Reviewed-by: Johannes Thumshirn
Signed-off-by: Pankaj Raghav
Reviewed-by: David Sterba
Signed-off-by: David Sterba
---
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index d99026df6f679..79a2d48a52516 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -94,9 +94,9 @@ static int sb_write_pointer(struct block_device *bdev, struct blk_zone *zones,
* Possible states of log buffer zones
*
* Empty[0] In use[0] Full[0]
- * Empty[1] * x 0
- * In use[1] 0 x 0
- * Full[1] 1 1 C
+ * Empty[1] * 0 1
+ * In use[1] x x 1
+ * Full[1] 0 0 C
*
* Log position:
* *: Special case, no superblock is written