diff options
Diffstat (limited to 'fs/ext4/balloc.c')
| -rw-r--r-- | fs/ext4/balloc.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index 5d45582f9517..6bd0bd5bbdc8 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -1324,10 +1324,14 @@ ext4_try_to_allocate_with_rsv(struct super_block *sb, handle_t *handle, if (!goal_in_my_reservation(&my_rsv->rsv_window, grp_goal, group, sb)) grp_goal = -1; - } else if (grp_goal > 0 && - (my_rsv->rsv_end-grp_goal+1) < *count) - try_to_extend_reservation(my_rsv, sb, - *count-my_rsv->rsv_end + grp_goal - 1); + } else if (grp_goal > 0) { + int curr = my_rsv->rsv_end - + (grp_goal + group_first_block) + 1; + + if (curr < *count) + try_to_extend_reservation(my_rsv, sb, + *count - curr); + } if ((my_rsv->rsv_start > group_last_block) || (my_rsv->rsv_end < group_first_block)) { |