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ext4: cond_resched in work-heavy group loops 

Signed-off-by: Khazhismel Kumykov <khazhy@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
This commit is contained in:
Khazhismel Kumykov 2019-04-25 12:58:01 -04:00 committed by Theodore Ts'o
parent 7bc04c5c2c
commit 4b99faa23c
2 changed files with 3 additions and 0 deletions
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1
fs/ext4/block_validity.c
View File

@ -197,6 +197,7 @@ int ext4_setup_system_zone(struct super_block *sb)
return 0;
for (i=0; i < ngroups; i++) {
cond_resched();
if (ext4_bg_has_super(sb, i) &&
((i < 5) || ((i % flex_size) == 0)))
add_system_zone(sbi, ext4_group_first_block_no(sb, i),

2
fs/ext4/mballoc.c
View File

@ -2490,6 +2490,7 @@ static int ext4_mb_init_backend(struct super_block *sb)
sbi->s_buddy_cache->i_ino = EXT4_BAD_INO;
EXT4_I(sbi->s_buddy_cache)->i_disksize = 0;
for (i = 0; i < ngroups; i++) {
cond_resched();
desc = ext4_get_group_desc(sb, i, NULL);
if (desc == NULL) {
ext4_msg(sb, KERN_ERR, "can't read descriptor %u", i);
@ -2705,6 +2706,7 @@ int ext4_mb_release(struct super_block *sb)
if (sbi->s_group_info) {
for (i = 0; i < ngroups; i++) {
cond_resched();
grinfo = ext4_get_group_info(sb, i);
#ifdef DOUBLE_CHECK
kfree(grinfo->bb_bitmap);