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Diffstat (limited to 'fs/ext3/balloc.c')
-rw-r--r--fs/ext3/balloc.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index c19be8fc3e51..b41a7d7e20f0 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -202,7 +202,7 @@ goal_in_my_reservation(struct ext3_reserve_window *rsv, ext3_grpblk_t grp_goal,
ext3_fsblk_t group_first_block, group_last_block;
group_first_block = ext3_group_first_block_no(sb, group);
- group_last_block = group_first_block + EXT3_BLOCKS_PER_GROUP(sb) - 1;
+ group_last_block = group_first_block + (EXT3_BLOCKS_PER_GROUP(sb) - 1);
if ((rsv->_rsv_start > group_last_block) ||
(rsv->_rsv_end < group_first_block))
@@ -1047,7 +1047,7 @@ static int alloc_new_reservation(struct ext3_reserve_window_node *my_rsv,
spinlock_t *rsv_lock = &EXT3_SB(sb)->s_rsv_window_lock;
group_first_block = ext3_group_first_block_no(sb, group);
- group_end_block = group_first_block + EXT3_BLOCKS_PER_GROUP(sb) - 1;
+ group_end_block = group_first_block + (EXT3_BLOCKS_PER_GROUP(sb) - 1);
if (grp_goal < 0)
start_block = group_first_block;
@@ -1239,7 +1239,7 @@ ext3_try_to_allocate_with_rsv(struct super_block *sb, handle_t *handle,
struct ext3_reserve_window_node * my_rsv,
unsigned long *count, int *errp)
{
- ext3_fsblk_t group_first_block;
+ ext3_fsblk_t group_first_block, group_last_block;
ext3_grpblk_t ret = 0;
int fatal;
unsigned long num = *count;
@@ -1276,6 +1276,7 @@ ext3_try_to_allocate_with_rsv(struct super_block *sb, handle_t *handle,
* first block is the block number of the first block in this group
*/
group_first_block = ext3_group_first_block_no(sb, group);
+ group_last_block = group_first_block + (EXT3_BLOCKS_PER_GROUP(sb) - 1);
/*
* Basically we will allocate a new block from inode's reservation
@@ -1311,9 +1312,8 @@ ext3_try_to_allocate_with_rsv(struct super_block *sb, handle_t *handle,
try_to_extend_reservation(my_rsv, sb,
*count-my_rsv->rsv_end + grp_goal - 1);
- if ((my_rsv->rsv_start >= group_first_block +
- EXT3_BLOCKS_PER_GROUP(sb))
- || (my_rsv->rsv_end < group_first_block)) {
+ if ((my_rsv->rsv_start > group_last_block) ||
+ (my_rsv->rsv_end < group_first_block)) {
rsv_window_dump(&EXT3_SB(sb)->s_rsv_window_root, 1);
BUG();
}