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ext4: pass verify_reserved_gdb() the number of group decriptors 

The 64bit resizer adds a flex group each time, so verify_reserved_gdb
can not use s_groups_count directly, it should use the number of group
decriptors before the added group.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
hifive-unleashed-5.1
Yongqiang Yang 2012-01-03 23:43:39 -05:00 committed by Theodore Ts'o
parent 2e10e2f2e5
commit c72df9f928
1 changed files with 4 additions and 3 deletions
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7
fs/ext4/resize.c
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@ -656,10 +656,10 @@ static unsigned ext4_list_backups(struct super_block *sb, unsigned *three,
* groups in current filesystem that have BACKUPS, or -ve error code.
*/
static int verify_reserved_gdb(struct super_block *sb,
ext4_group_t end,
struct buffer_head *primary)
{
const ext4_fsblk_t blk = primary->b_blocknr;
const ext4_group_t end = EXT4_SB(sb)->s_groups_count;
unsigned three = 1;
unsigned five = 5;
unsigned seven = 7;
@ -734,7 +734,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
if (!gdb_bh)
return -EIO;
gdbackups = verify_reserved_gdb(sb, gdb_bh);
gdbackups = verify_reserved_gdb(sb, group, gdb_bh);
if (gdbackups < 0) {
err = gdbackups;
goto exit_bh;
@ -897,7 +897,8 @@ static int reserve_backup_gdb(handle_t *handle, struct inode *inode,
err = -EIO;
goto exit_bh;
}
if ((gdbackups = verify_reserved_gdb(sb, primary[res])) < 0) {
gdbackups = verify_reserved_gdb(sb, group, primary[res]);
if (gdbackups < 0) {
brelse(primary[res]);
err = gdbackups;
goto exit_bh;