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ext4: use 'sbi' instead of 'EXT4_SB(sb)'

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We could use 'sbi' instead of 'EXT4_SB(sb)' to make code more elegant.

Signed-off-by: Jun Piao <piaojun@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jun Piao
2018-01-11 13:17:49 -05:00
zatwierdzone przez Theodore Ts'o
rodzic 06f29cc81f
commit 49598e04b5
6 zmienionych plików z 18 dodań i 18 usunięć
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14
fs/ext4/mballoc.c
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@@ -757,10 +757,10 @@ void ext4_mb_generate_buddy(struct super_block *sb,
clear_bit(EXT4_GROUP_INFO_NEED_INIT_BIT, &(grp->bb_state));
period = get_cycles() - period;
spin_lock(&EXT4_SB(sb)->s_bal_lock);
EXT4_SB(sb)->s_mb_buddies_generated++;
EXT4_SB(sb)->s_mb_generation_time += period;
spin_unlock(&EXT4_SB(sb)->s_bal_lock);
spin_lock(&sbi->s_bal_lock);
sbi->s_mb_buddies_generated++;
sbi->s_mb_generation_time += period;
spin_unlock(&sbi->s_bal_lock);
}
static void mb_regenerate_buddy(struct ext4_buddy *e4b)
@@ -1447,7 +1447,7 @@ static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b,
ext4_fsblk_t blocknr;
blocknr = ext4_group_first_block_no(sb, e4b->bd_group);
blocknr += EXT4_C2B(EXT4_SB(sb), block);
blocknr += EXT4_C2B(sbi, block);
ext4_grp_locked_error(sb, e4b->bd_group,
inode ? inode->i_ino : 0,
blocknr,
@@ -4838,9 +4838,9 @@ do_more:
if (in_range(ext4_block_bitmap(sb, gdp), block, count) ||
in_range(ext4_inode_bitmap(sb, gdp), block, count) ||
in_range(block, ext4_inode_table(sb, gdp),
EXT4_SB(sb)->s_itb_per_group) ||
sbi->s_itb_per_group) ||
in_range(block + count - 1, ext4_inode_table(sb, gdp),
EXT4_SB(sb)->s_itb_per_group)) {
sbi->s_itb_per_group)) {
ext4_error(sb, "Freeing blocks in system zone - "
"Block = %llu, count = %lu", block, count);