diff options
Diffstat (limited to 'fs/f2fs/segment.c')
| -rw-r--r-- | fs/f2fs/segment.c | 51 |
1 files changed, 23 insertions, 28 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 3f47379cd7db..426d4a529f5e 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -3945,7 +3945,7 @@ static int build_sit_info(struct f2fs_sb_info *sbi) struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); struct sit_info *sit_i; unsigned int sit_segs, start; - char *src_bitmap; + char *src_bitmap, *bitmap; unsigned int bitmap_size; /* allocate memory for SIT information */ @@ -3968,27 +3968,31 @@ static int build_sit_info(struct f2fs_sb_info *sbi) if (!sit_i->dirty_sentries_bitmap) return -ENOMEM; +#ifdef CONFIG_F2FS_CHECK_FS + bitmap_size = MAIN_SEGS(sbi) * SIT_VBLOCK_MAP_SIZE * 4; +#else + bitmap_size = MAIN_SEGS(sbi) * SIT_VBLOCK_MAP_SIZE * 3; +#endif + sit_i->bitmap = f2fs_kvzalloc(sbi, bitmap_size, GFP_KERNEL); + if (!sit_i->bitmap) + return -ENOMEM; + + bitmap = sit_i->bitmap; + for (start = 0; start < MAIN_SEGS(sbi); start++) { - sit_i->sentries[start].cur_valid_map - = f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, GFP_KERNEL); - sit_i->sentries[start].ckpt_valid_map - = f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, GFP_KERNEL); - if (!sit_i->sentries[start].cur_valid_map || - !sit_i->sentries[start].ckpt_valid_map) - return -ENOMEM; + sit_i->sentries[start].cur_valid_map = bitmap; + bitmap += SIT_VBLOCK_MAP_SIZE; + + sit_i->sentries[start].ckpt_valid_map = bitmap; + bitmap += SIT_VBLOCK_MAP_SIZE; #ifdef CONFIG_F2FS_CHECK_FS - sit_i->sentries[start].cur_valid_map_mir - = f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, GFP_KERNEL); - if (!sit_i->sentries[start].cur_valid_map_mir) - return -ENOMEM; + sit_i->sentries[start].cur_valid_map_mir = bitmap; + bitmap += SIT_VBLOCK_MAP_SIZE; #endif - sit_i->sentries[start].discard_map - = f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, - GFP_KERNEL); - if (!sit_i->sentries[start].discard_map) - return -ENOMEM; + sit_i->sentries[start].discard_map = bitmap; + bitmap += SIT_VBLOCK_MAP_SIZE; } sit_i->tmp_map = f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, GFP_KERNEL); @@ -4494,21 +4498,12 @@ static void destroy_free_segmap(struct f2fs_sb_info *sbi) static void destroy_sit_info(struct f2fs_sb_info *sbi) { struct sit_info *sit_i = SIT_I(sbi); - unsigned int start; if (!sit_i) return; - if (sit_i->sentries) { - for (start = 0; start < MAIN_SEGS(sbi); start++) { - kvfree(sit_i->sentries[start].cur_valid_map); -#ifdef CONFIG_F2FS_CHECK_FS - kvfree(sit_i->sentries[start].cur_valid_map_mir); -#endif - kvfree(sit_i->sentries[start].ckpt_valid_map); - kvfree(sit_i->sentries[start].discard_map); - } - } + if (sit_i->sentries) + kvfree(sit_i->bitmap); kvfree(sit_i->tmp_map); kvfree(sit_i->sentries); |