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btrfs: fix range_end calculation in extent_write_locked_range

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The range_end field in struct writeback_control is inclusive, just like
the end parameter passed to extent_write_locked_range.  Not doing this
could cause extra writeout, which is harmless but suboptimal.

Fixes: 771ed689d2 ("Btrfs: Optimize compressed writeback and reads")
CC: stable@vger.kernel.org # 5.9+
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Christoph Hellwig 2023-05-31 08:04:50 +02:00 committed by David Sterba
parent 5cead5422a
commit 36614a3beb
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/extent_io.c
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@ -2310,7 +2310,7 @@ int extent_write_locked_range(struct inode *inode, u64 start, u64 end)
struct writeback_control wbc_writepages = {
.sync_mode = WB_SYNC_ALL,
.range_start = start,
.range_end = end + 1,
.range_end = end,
.no_cgroup_owner = 1,
};
struct btrfs_bio_ctrl bio_ctrl = {