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f2fs: Allocate and stat mem used by free nid bitmap more accurately 

This patch used f2fs_bitmap_size macro to calculate mem used by
free nid bitmap, and stat used mem including aligned part.

Signed-off-by: Yunlei He <heyunlei@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Yunlei He 2018-06-27 14:46:21 +08:00 committed by Jaegeuk Kim
parent 9dc956b2c8
commit e15d54d500
3 changed files with 3 additions and 7 deletions
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3
fs/f2fs/debug.c
View File

@ -215,7 +215,8 @@ static void update_mem_info(struct f2fs_sb_info *sbi)
si->base_mem += sizeof(struct f2fs_nm_info);
si->base_mem += __bitmap_size(sbi, NAT_BITMAP);
si->base_mem += (NM_I(sbi)->nat_bits_blocks << F2FS_BLKSIZE_BITS);
si->base_mem += NM_I(sbi)->nat_blocks * NAT_ENTRY_BITMAP_SIZE;
si->base_mem += NM_I(sbi)->nat_blocks *
f2fs_bitmap_size(NAT_ENTRY_PER_BLOCK);
si->base_mem += NM_I(sbi)->nat_blocks / 8;
si->base_mem += NM_I(sbi)->nat_blocks * sizeof(unsigned short);

2
fs/f2fs/node.c
View File

@ -2797,7 +2797,7 @@ static int init_free_nid_cache(struct f2fs_sb_info *sbi)
for (i = 0; i < nm_i->nat_blocks; i++) {
nm_i->free_nid_bitmap[i] = f2fs_kvzalloc(sbi,
NAT_ENTRY_BITMAP_SIZE_ALIGNED, GFP_KERNEL);
f2fs_bitmap_size(NAT_ENTRY_PER_BLOCK), GFP_KERNEL);
if (!nm_i->free_nid_bitmap)
return -ENOMEM;
}

5
include/linux/f2fs_fs.h
View File

@ -304,11 +304,6 @@ struct f2fs_node {
* For NAT entries
*/
#define NAT_ENTRY_PER_BLOCK (PAGE_SIZE / sizeof(struct f2fs_nat_entry))
#define NAT_ENTRY_BITMAP_SIZE ((NAT_ENTRY_PER_BLOCK + 7) / 8)
#define NAT_ENTRY_BITMAP_SIZE_ALIGNED \
((NAT_ENTRY_BITMAP_SIZE + BITS_PER_LONG - 1) / \
BITS_PER_LONG * BITS_PER_LONG)
struct f2fs_nat_entry {
__u8 version; /* latest version of cached nat entry */