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f2fs: inject fault to kzalloc

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This patch introduces f2fs_kzalloc based on f2fs_kmalloc in order to
support error injection for kzalloc().

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2017-11-30 19:28:17 +08:00
committed by Jaegeuk Kim
parent 979f492fe3
commit acbf054d53
7 changed files with 33 additions and 24 deletions
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30
fs/f2fs/segment.c
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@@ -657,7 +657,7 @@ int create_flush_cmd_control(struct f2fs_sb_info *sbi)
goto init_thread;
}
fcc = kzalloc(sizeof(struct flush_cmd_control), GFP_KERNEL);
fcc = f2fs_kzalloc(sbi, sizeof(struct flush_cmd_control), GFP_KERNEL);
if (!fcc)
return -ENOMEM;
atomic_set(&fcc->issued_flush, 0);
@@ -1737,7 +1737,7 @@ static int create_discard_cmd_control(struct f2fs_sb_info *sbi)
goto init_thread;
}
dcc = kzalloc(sizeof(struct discard_cmd_control), GFP_KERNEL);
dcc = f2fs_kzalloc(sbi, sizeof(struct discard_cmd_control), GFP_KERNEL);
if (!dcc)
return -ENOMEM;
@@ -3338,7 +3338,7 @@ static int build_sit_info(struct f2fs_sb_info *sbi)
unsigned int bitmap_size;
/* allocate memory for SIT information */
sit_i = kzalloc(sizeof(struct sit_info), GFP_KERNEL);
sit_i = f2fs_kzalloc(sbi, sizeof(struct sit_info), GFP_KERNEL);
if (!sit_i)
return -ENOMEM;
@@ -3356,29 +3356,30 @@ static int build_sit_info(struct f2fs_sb_info *sbi)
for (start = 0; start < MAIN_SEGS(sbi); start++) {
sit_i->sentries[start].cur_valid_map
= kzalloc(SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
= f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
sit_i->sentries[start].ckpt_valid_map
= kzalloc(SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
= 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;
#ifdef CONFIG_F2FS_CHECK_FS
sit_i->sentries[start].cur_valid_map_mir
= kzalloc(SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
= f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
if (!sit_i->sentries[start].cur_valid_map_mir)
return -ENOMEM;
#endif
if (f2fs_discard_en(sbi)) {
sit_i->sentries[start].discard_map
= kzalloc(SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
= f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE,
GFP_KERNEL);
if (!sit_i->sentries[start].discard_map)
return -ENOMEM;
}
}
sit_i->tmp_map = kzalloc(SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
sit_i->tmp_map = f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
if (!sit_i->tmp_map)
return -ENOMEM;
@@ -3427,7 +3428,7 @@ static int build_free_segmap(struct f2fs_sb_info *sbi)
unsigned int bitmap_size, sec_bitmap_size;
/* allocate memory for free segmap information */
free_i = kzalloc(sizeof(struct free_segmap_info), GFP_KERNEL);
free_i = f2fs_kzalloc(sbi, sizeof(struct free_segmap_info), GFP_KERNEL);
if (!free_i)
return -ENOMEM;
@@ -3468,12 +3469,12 @@ static int build_curseg(struct f2fs_sb_info *sbi)
for (i = 0; i < NR_CURSEG_TYPE; i++) {
mutex_init(&array[i].curseg_mutex);
array[i].sum_blk = kzalloc(PAGE_SIZE, GFP_KERNEL);
array[i].sum_blk = f2fs_kzalloc(sbi, PAGE_SIZE, GFP_KERNEL);
if (!array[i].sum_blk)
return -ENOMEM;
init_rwsem(&array[i].journal_rwsem);
array[i].journal = kzalloc(sizeof(struct f2fs_journal),
GFP_KERNEL);
array[i].journal = f2fs_kzalloc(sbi,
sizeof(struct f2fs_journal), GFP_KERNEL);
if (!array[i].journal)
return -ENOMEM;
array[i].segno = NULL_SEGNO;
@@ -3631,7 +3632,8 @@ static int build_dirty_segmap(struct f2fs_sb_info *sbi)
unsigned int bitmap_size, i;
/* allocate memory for dirty segments list information */
dirty_i = kzalloc(sizeof(struct dirty_seglist_info), GFP_KERNEL);
dirty_i = f2fs_kzalloc(sbi, sizeof(struct dirty_seglist_info),
GFP_KERNEL);
if (!dirty_i)
return -ENOMEM;
@@ -3685,7 +3687,7 @@ int build_segment_manager(struct f2fs_sb_info *sbi)
struct f2fs_sm_info *sm_info;
int err;
sm_info = kzalloc(sizeof(struct f2fs_sm_info), GFP_KERNEL);
sm_info = f2fs_kzalloc(sbi, sizeof(struct f2fs_sm_info), GFP_KERNEL);
if (!sm_info)
return -ENOMEM;