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btrfs: add a cached state to extent_clear_unlock_delalloc

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Now that we have the lock_extent tightly coupled with
extent_clear_unlock_delalloc we can add a cached state to
extent_clear_unlock_delalloc and benefit from skipping the extra lookup
when we're doing cow.

Reviewed-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik
2024-04-03 17:29:40 -04:00
committed by David Sterba
parent 8325f41a56
commit 6b0a63a4fa
3 changed files with 28 additions and 19 deletions
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3
fs/btrfs/extent_io.c
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@@ -412,9 +412,10 @@ out_failed:
void extent_clear_unlock_delalloc(struct btrfs_inode *inode, u64 start, u64 end,
struct page *locked_page,
struct extent_state **cached,
u32 clear_bits, unsigned long page_ops)
{
clear_extent_bit(&inode->io_tree, start, end, clear_bits, NULL);
clear_extent_bit(&inode->io_tree, start, end, clear_bits, cached);
__process_pages_contig(inode->vfs_inode.i_mapping, locked_page,
start, end, page_ops);