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-Tag: dma-mapping-6.0-2022-09-10~267^2~161 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=31f37269802b7d2ce5ec98240b801948345809b4;p=users%2Fhch%2Fdma-mapping.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 d99026df6f67..79a2d48a5251 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