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| author | Filipe Manana <fdmanana@suse.com> | 2024-09-06 17:00:43 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2024-11-11 14:34:17 +0100 |
| commit | 03ba05058365973a955e1641da908696545703dd (patch) | |
| tree | b9e68d6e26375bcb4113d7960caf4099ee1688be /fs/btrfs/extent_map.c | |
| parent | btrfs: reduce lock contention when eb cache miss for btree search (diff) | |
| download | linux-03ba05058365973a955e1641da908696545703dd.tar.xz linux-03ba05058365973a955e1641da908696545703dd.zip | |
btrfs: add and use helper to remove extent map from its inode's tree
Move the common code to remove an extent map from its inode's tree into a
helper function and use it, reducing duplicated code.
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent_map.c')
| -rw-r--r-- | fs/btrfs/extent_map.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index a8b86f12b00d..ed2a5ccbb189 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -77,10 +77,13 @@ static u64 range_end(u64 start, u64 len) return start + len; } -static void dec_evictable_extent_maps(struct btrfs_inode *inode) +static void remove_em(struct btrfs_inode *inode, struct extent_map *em) { struct btrfs_fs_info *fs_info = inode->root->fs_info; + rb_erase(&em->rb_node, &inode->extent_tree.root); + RB_CLEAR_NODE(&em->rb_node); + if (!btrfs_is_testing(fs_info) && is_fstree(btrfs_root_id(inode->root))) percpu_counter_dec(&fs_info->evictable_extent_maps); } @@ -339,7 +342,6 @@ static void validate_extent_map(struct btrfs_fs_info *fs_info, struct extent_map static void try_merge_map(struct btrfs_inode *inode, struct extent_map *em) { struct btrfs_fs_info *fs_info = inode->root->fs_info; - struct extent_map_tree *tree = &inode->extent_tree; struct extent_map *merge = NULL; struct rb_node *rb; @@ -371,10 +373,8 @@ static void try_merge_map(struct btrfs_inode *inode, struct extent_map *em) em->flags |= EXTENT_FLAG_MERGED; validate_extent_map(fs_info, em); - rb_erase(&merge->rb_node, &tree->root); - RB_CLEAR_NODE(&merge->rb_node); + remove_em(inode, merge); free_extent_map(merge); - dec_evictable_extent_maps(inode); } } @@ -386,12 +386,10 @@ static void try_merge_map(struct btrfs_inode *inode, struct extent_map *em) if (em->disk_bytenr < EXTENT_MAP_LAST_BYTE) merge_ondisk_extents(em, merge, em); validate_extent_map(fs_info, em); - rb_erase(&merge->rb_node, &tree->root); - RB_CLEAR_NODE(&merge->rb_node); em->generation = max(em->generation, merge->generation); em->flags |= EXTENT_FLAG_MERGED; + remove_em(inode, merge); free_extent_map(merge); - dec_evictable_extent_maps(inode); } } @@ -588,12 +586,10 @@ void remove_extent_mapping(struct btrfs_inode *inode, struct extent_map *em) lockdep_assert_held_write(&tree->lock); WARN_ON(em->flags & EXTENT_FLAG_PINNED); - rb_erase(&em->rb_node, &tree->root); if (!(em->flags & EXTENT_FLAG_LOGGING)) list_del_init(&em->list); - RB_CLEAR_NODE(&em->rb_node); - dec_evictable_extent_maps(inode); + remove_em(inode, em); } static void replace_extent_mapping(struct btrfs_inode *inode, |