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authorTheodore Ts'o <tytso@mit.edu>2010-12-20 22:30:36 -0500
committerTheodore Ts'o <tytso@mit.edu>2010-12-23 15:00:54 -0500
commit8a7411a24350bac141271755c66f40c56b0535ae (patch)
treeed77dcde1fe4122f291c6fda3def7e776fa8bdf8
parentb0c3844d8af6b9f3f18f31e1b0502fbefa2166be (diff)
downloadop-kernel-dev-8a7411a24350bac141271755c66f40c56b0535ae.zip
op-kernel-dev-8a7411a24350bac141271755c66f40c56b0535ae.tar.gz
ext4: fix on-line resizing regression
https://bugzilla.kernel.org/show_bug.cgi?id=25352 This regression was caused by commit a31437b85: "ext4: use sb_issue_zeroout in setup_new_group_blocks", by accidentally dropping the code which reserved the block group descriptor and inode table blocks. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
-rw-r--r--fs/ext4/resize.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index dc96392..981c847 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -232,6 +232,8 @@ 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);
ext4_debug("mark block bitmap %#04llx (+%llu)\n", input->block_bitmap,
input->block_bitmap - start);
@@ -247,6 +249,9 @@ 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);
if ((err = extend_or_restart_transaction(handle, 2, bh)))
goto exit_bh;
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