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Diffstat (limited to 'fs/ext4/mballoc.c')
-rw-r--r--fs/ext4/mballoc.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 907b3577988c..34670cb63588 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3331,9 +3331,11 @@ static void ext4_discard_work(struct work_struct *work)
load_grp = UINT_MAX;
list_for_each_entry_safe(fd, nfd, &discard_list, efd_list) {
/*
- * If filesystem is umounting or no memory, give up the discard
+ * If filesystem is umounting or no memory or suffering
+ * from no space, give up the discard
*/
- if ((sb->s_flags & SB_ACTIVE) && !err) {
+ if ((sb->s_flags & SB_ACTIVE) && !err &&
+ !atomic_read(&sbi->s_retry_alloc_pending)) {
grp = fd->efd_group;
if (grp != load_grp) {
if (load_grp != UINT_MAX)
@@ -3431,6 +3433,7 @@ int ext4_mb_init(struct super_block *sb)
INIT_LIST_HEAD(&sbi->s_freed_data_list);
INIT_LIST_HEAD(&sbi->s_discard_list);
INIT_WORK(&sbi->s_discard_work, ext4_discard_work);
+ atomic_set(&sbi->s_retry_alloc_pending, 0);
sbi->s_mb_max_to_scan = MB_DEFAULT_MAX_TO_SCAN;
sbi->s_mb_min_to_scan = MB_DEFAULT_MIN_TO_SCAN;