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authorYongqiang Yang <xiaoqiangnk@gmail.com>2011-07-27 06:05:53 +0400
committerTheodore Ts'o <tytso@mit.edu>2011-07-27 06:05:53 +0400
commitc3e94d1df9bdd9e2c4ba7e8f534f7925f1756f97 (patch)
treeb0f23df82b491e04b64d7d67e4eecc80d1f4c6a0 /fs/ext4/resize.c
parent2b79b09d13e35577151bd13ba08809911baccd1c (diff)
downloadlinux-c3e94d1df9bdd9e2c4ba7e8f534f7925f1756f97.tar.xz
ext4: let setup_new_group_blocks() set multiple bits at a time
Rename mb_set_bits() to ext4_set_bits() and make it a global function so that setup_new_group_blocks() can use it. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/resize.c')
-rw-r--r--fs/ext4/resize.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 5f0aefdc8599..178fb2f11c3f 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -217,11 +217,6 @@ static int setup_new_group_blocks(struct super_block *sb,
goto exit_journal;
}
- if (ext4_bg_has_super(sb, input->group)) {
- ext4_debug("mark backup superblock %#04llx (+0)\n", start);
- ext4_set_bit(0, bh->b_data);
- }
-
/* Copy all of the GDT blocks into the backup in this group */
for (i = 0, bit = 1, block = start + 1;
i < gdblocks; i++, block++, bit++) {
@@ -250,7 +245,6 @@ static int setup_new_group_blocks(struct super_block *sb,
brelse(gdb);
goto exit_bh;
}
- ext4_set_bit(bit, bh->b_data);
brelse(gdb);
}
@@ -261,8 +255,11 @@ static int setup_new_group_blocks(struct super_block *sb,
GFP_NOFS);
if (err)
goto exit_bh;
- for (i = 0, bit = gdblocks + 1; i < reserved_gdb; i++, bit++)
- ext4_set_bit(bit, bh->b_data);
+
+ if (ext4_bg_has_super(sb, input->group)) {
+ ext4_debug("mark backup group tables %#04llx (+0)\n", start);
+ ext4_set_bits(bh->b_data, 0, gdblocks + reserved_gdb + 1);
+ }
ext4_debug("mark block bitmap %#04llx (+%llu)\n", input->block_bitmap,
input->block_bitmap - start);
@@ -278,9 +275,8 @@ static int setup_new_group_blocks(struct super_block *sb,
err = sb_issue_zeroout(sb, block, sbi->s_itb_per_group, GFP_NOFS);
if (err)
goto exit_bh;
- for (i = 0, bit = input->inode_table - start;
- i < sbi->s_itb_per_group; i++, bit++)
- ext4_set_bit(bit, bh->b_data);
+ ext4_set_bits(bh->b_data, input->inode_table - start,
+ sbi->s_itb_per_group);
if ((err = extend_or_restart_transaction(handle, 2, bh)))
goto exit_bh;