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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-11-30 09:26:29 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-12-12 14:53:56 -0800 |
| commit | e7547daccd6a37522f0af74ec4b5a3036f3dd328 (patch) | |
| tree | 1d680fd4c9091b6b015425d85df8d66ef73a4e6a /fs/f2fs/shrinker.c | |
| parent | 749d543c0d451fff31e8f7a3e0a031ffcbf1ebb1 (diff) | |
| download | linux-e7547daccd6a37522f0af74ec4b5a3036f3dd328.tar.gz linux-e7547daccd6a37522f0af74ec4b5a3036f3dd328.tar.bz2 linux-e7547daccd6a37522f0af74ec4b5a3036f3dd328.zip | |
f2fs: refactor extent_cache to support for read and more
This patch prepares extent_cache to be ready for addition.
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/shrinker.c')
| -rw-r--r-- | fs/f2fs/shrinker.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/fs/f2fs/shrinker.c b/fs/f2fs/shrinker.c index dd3c3c7a90ec..33c490e69ae3 100644 --- a/fs/f2fs/shrinker.c +++ b/fs/f2fs/shrinker.c @@ -28,10 +28,13 @@ static unsigned long __count_free_nids(struct f2fs_sb_info *sbi) return count > 0 ? count : 0; } -static unsigned long __count_extent_cache(struct f2fs_sb_info *sbi) +static unsigned long __count_extent_cache(struct f2fs_sb_info *sbi, + enum extent_type type) { - return atomic_read(&sbi->total_zombie_tree) + - atomic_read(&sbi->total_ext_node); + struct extent_tree_info *eti = &sbi->extent_tree[type]; + + return atomic_read(&eti->total_zombie_tree) + + atomic_read(&eti->total_ext_node); } unsigned long f2fs_shrink_count(struct shrinker *shrink, @@ -53,8 +56,8 @@ unsigned long f2fs_shrink_count(struct shrinker *shrink, } spin_unlock(&f2fs_list_lock); - /* count extent cache entries */ - count += __count_extent_cache(sbi); + /* count read extent cache entries */ + count += __count_extent_cache(sbi, EX_READ); /* count clean nat cache entries */ count += __count_nat_entries(sbi); @@ -99,8 +102,8 @@ unsigned long f2fs_shrink_scan(struct shrinker *shrink, sbi->shrinker_run_no = run_no; - /* shrink extent cache entries */ - freed += f2fs_shrink_extent_tree(sbi, nr >> 1); + /* shrink read extent cache entries */ + freed += f2fs_shrink_read_extent_tree(sbi, nr >> 1); /* shrink clean nat cache entries */ if (freed < nr) @@ -130,7 +133,7 @@ void f2fs_join_shrinker(struct f2fs_sb_info *sbi) void f2fs_leave_shrinker(struct f2fs_sb_info *sbi) { - f2fs_shrink_extent_tree(sbi, __count_extent_cache(sbi)); + f2fs_shrink_read_extent_tree(sbi, __count_extent_cache(sbi, EX_READ)); spin_lock(&f2fs_list_lock); list_del_init(&sbi->s_list); |