Commit addd752c authored by Chunguang Xu's avatar Chunguang Xu Committed by Theodore Ts'o

ext4: make mb_check_counter per group

Make bb_check_counter per group, so each group has the same chance
to be checked, which can expose errors more easily.
Signed-off-by: default avatarChunguang Xu <brookxu@tencent.com>
Link: https://lore.kernel.org/r/1601292995-32205-2-git-send-email-brookxu@tencent.comSigned-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 9d1f9b27
...@@ -3154,6 +3154,9 @@ int ext4_update_disksize_before_punch(struct inode *inode, loff_t offset, ...@@ -3154,6 +3154,9 @@ int ext4_update_disksize_before_punch(struct inode *inode, loff_t offset,
struct ext4_group_info { struct ext4_group_info {
unsigned long bb_state; unsigned long bb_state;
#ifdef AGGRESSIVE_CHECK
unsigned long bb_check_counter;
#endif
struct rb_root bb_free_root; struct rb_root bb_free_root;
ext4_grpblk_t bb_first_free; /* first free block */ ext4_grpblk_t bb_first_free; /* first free block */
ext4_grpblk_t bb_free; /* total free blocks */ ext4_grpblk_t bb_free; /* total free blocks */
......
...@@ -619,11 +619,8 @@ static int __mb_check_buddy(struct ext4_buddy *e4b, char *file, ...@@ -619,11 +619,8 @@ static int __mb_check_buddy(struct ext4_buddy *e4b, char *file,
void *buddy; void *buddy;
void *buddy2; void *buddy2;
{ if (e4b->bd_info->bb_check_counter++ % 10)
static int mb_check_counter; return 0;
if (mb_check_counter++ % 100 != 0)
return 0;
}
while (order > 1) { while (order > 1) {
buddy = mb_find_buddy(e4b, order, &max); buddy = mb_find_buddy(e4b, order, &max);
......
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