linux-kernel - [PATCH v3 2/4] btrfs: remove stride length check on read

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Message-Id: <20231004-rst-updates-v3-2-7729c4474ade@wdc.com>
Date:   Wed, 04 Oct 2023 00:56:17 -0700
From:   Johannes Thumshirn <johannes.thumshirn@....com>
To:     Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>
Cc:     Qu Wenru <wqu@...e.com>, Damien Le Moal <dlemoal@...nel.org>,
        Naohiro Aota <naohiro.aota@....com>,
        linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        Johannes Thumshirn <johannes.thumshirn@....com>
Subject: [PATCH v3 2/4] btrfs: remove stride length check on read

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@....com>
---
 fs/btrfs/raid-stripe-tree.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/fs/btrfs/raid-stripe-tree.c b/fs/btrfs/raid-stripe-tree.c
index 248e048810d3..944e8f1862aa 100644
--- a/fs/btrfs/raid-stripe-tree.c
+++ b/fs/btrfs/raid-stripe-tree.c
@@ -237,16 +237,8 @@ int btrfs_get_raid_extent_offset(struct btrfs_fs_info *fs_info,
 	for (int i = 0; i < num_stripes; i++) {
 		struct btrfs_raid_stride *stride = &stripe_extent->strides[i];
 		u64 devid = btrfs_raid_stride_devid(leaf, stride);
-		u64 len = btrfs_raid_stride_length(leaf, stride);
 		u64 physical = btrfs_raid_stride_physical(leaf, stride);
 
-		if (offset >= len) {
-			offset -= len;
-
-			if (offset >= BTRFS_STRIPE_LEN)
-				continue;
-		}
-
 		if (devid != stripe->dev->devid)
 			continue;
 

-- 
2.41.0