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-rw-r--r--fs/ext4/mballoc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index d23056d375b3..e9c61896d605 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1965,6 +1965,10 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac)
sb = ac->ac_sb;
sbi = EXT4_SB(sb);
ngroups = ext4_get_groups_count(sb);
+ /* non-extent files are limited to low blocks/groups */
+ if (!(EXT4_I(ac->ac_inode)->i_flags & EXT4_EXTENTS_FL))
+ ngroups = sbi->s_blockfile_groups;
+
BUG_ON(ac->ac_status == AC_STATUS_FOUND);
/* first, try the goal */
@@ -3382,6 +3386,11 @@ ext4_mb_use_preallocated(struct ext4_allocation_context *ac)
ac->ac_o_ex.fe_logical >= pa->pa_lstart + pa->pa_len)
continue;
+ /* non-extent files can't have physical blocks past 2^32 */
+ if (!(EXT4_I(ac->ac_inode)->i_flags & EXT4_EXTENTS_FL) &&
+ pa->pa_pstart + pa->pa_len > EXT4_MAX_BLOCK_FILE_PHYS)
+ continue;
+
/* found preallocated blocks, use them */
spin_lock(&pa->pa_lock);
if (pa->pa_deleted == 0 && pa->pa_free) {