Commit e9256716 authored by David Sterba's avatar David Sterba
Browse files

btrfs: open code trivial btrfs_lru_cache_size() 



The helper is really trivial, reading a cache size can be done directly.

Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent c207adc1

fs/btrfs/lru_cache.h

+0 −5
Original line number Diff line number Diff line
@@ -52,11 +52,6 @@ struct btrfs_lru_cache { 
#define btrfs_lru_cache_for_each_entry_safe(cache, entry, tmp)		\

	list_for_each_entry_safe_reverse((entry), (tmp), &(cache)->lru_list, lru_list)



static inline unsigned int btrfs_lru_cache_size(const struct btrfs_lru_cache *cache)

{

	return cache->size;

}



static inline struct btrfs_lru_cache_entry *btrfs_lru_cache_lru_entry(

					      struct btrfs_lru_cache *cache)

{

fs/btrfs/send.c

+3 −4
Original line number Diff line number Diff line
@@ -1418,7 +1418,7 @@ static bool lookup_backref_cache(u64 leaf_bytenr, void *ctx, 
	struct btrfs_lru_cache_entry *raw_entry;

	struct backref_cache_entry *entry;



	if (btrfs_lru_cache_size(&sctx->backref_cache) == 0)

	if (sctx->backref_cache.size == 0)

		return false;



	/*
@@ -1516,7 +1516,7 @@ static void store_backref_cache(u64 leaf_bytenr, const struct ulist *root_ids, 
	 * transaction handle or holding fs_info->commit_root_sem, so no need

	 * to take any lock here.

	 */

	if (btrfs_lru_cache_size(&sctx->backref_cache) == 1)

	if (sctx->backref_cache.size == 1)

		sctx->backref_cache_last_reloc_trans = fs_info->last_reloc_trans;

}
@@ -2821,8 +2821,7 @@ static int cache_dir_utimes(struct send_ctx *sctx, u64 dir, u64 gen) 


static int trim_dir_utimes_cache(struct send_ctx *sctx)

{

	while (btrfs_lru_cache_size(&sctx->dir_utimes_cache) >

	       SEND_MAX_DIR_UTIMES_CACHE_SIZE) {

	while (sctx->dir_utimes_cache.size > SEND_MAX_DIR_UTIMES_CACHE_SIZE) {

		struct btrfs_lru_cache_entry *lru;

		int ret;