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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-12-21 19:20:15 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-12-22 10:31:41 -0800 |
| commit | 7441ccef339f87abc27afc4ccfc24c014d7360c9 (patch) | |
| tree | 6f1abef9d8a0841a14f12d78d577dd988304513f /fs/f2fs/node.c | |
| parent | 4cf185379b7504d640c9dd72f959f081b25f6ea2 (diff) | |
f2fs: use atomic variable for total_extent_tree
It would be better to use atomic variable for total_extent_tree.
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index d842b199cd02..6cc8ac7e185a 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -65,7 +65,8 @@ bool available_free_memory(struct f2fs_sb_info *sbi, int type) sizeof(struct ino_entry)) >> PAGE_CACHE_SHIFT; res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1); } else if (type == EXTENT_CACHE) { - mem_size = (sbi->total_ext_tree * sizeof(struct extent_tree) + + mem_size = (atomic_read(&sbi->total_ext_tree) * + sizeof(struct extent_tree) + atomic_read(&sbi->total_ext_node) * sizeof(struct extent_node)) >> PAGE_CACHE_SHIFT; res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1); |