* [PATCH] ext4: Update s_free_{inodes,blocks}_count during online resize
@ 2012-03-06 19:40 Darrick J. Wong
2012-03-20 19:54 ` Ted Ts'o
0 siblings, 1 reply; 2+ messages in thread
From: Darrick J. Wong @ 2012-03-06 19:40 UTC (permalink / raw)
To: Theodore Ts'o; +Cc: linux-kernel, linux-ext4
When we're doing an online resize of an ext4 filesystem, we need to update the
free inode and block counts in the superblock so that fsck doesn't complain.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
---
fs/ext4/resize.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index f9d948f..a97ede4 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1163,8 +1163,11 @@ static void ext4_update_super(struct super_block *sb,
do_div(reserved_blocks, 100);
ext4_blocks_count_set(es, ext4_blocks_count(es) + blocks_count);
+ ext4_free_blocks_count_set(es, ext4_free_blocks_count(es) + free_blocks);
le32_add_cpu(&es->s_inodes_count, EXT4_INODES_PER_GROUP(sb) *
flex_gd->count);
+ le32_add_cpu(&es->s_free_inodes_count, EXT4_INODES_PER_GROUP(sb) *
+ flex_gd->count);
/*
* We need to protect s_groups_count against other CPUs seeing
@@ -1465,6 +1468,7 @@ static int ext4_group_extend_no_check(struct super_block *sb,
}
ext4_blocks_count_set(es, o_blocks_count + add);
+ ext4_free_blocks_count_set(es, ext4_free_blocks_count(es) + add);
ext4_debug("freeing blocks %llu through %llu\n", o_blocks_count,
o_blocks_count + add);
/* We add the blocks to the bitmap and set the group need init bit */
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ext4: Update s_free_{inodes,blocks}_count during online resize
2012-03-06 19:40 [PATCH] ext4: Update s_free_{inodes,blocks}_count during online resize Darrick J. Wong
@ 2012-03-20 19:54 ` Ted Ts'o
0 siblings, 0 replies; 2+ messages in thread
From: Ted Ts'o @ 2012-03-20 19:54 UTC (permalink / raw)
To: Darrick J. Wong; +Cc: linux-ext4
On Tue, Mar 06, 2012 at 11:40:20AM -0800, Darrick J. Wong wrote:
> When we're doing an online resize of an ext4 filesystem, we need to update the
> free inode and block counts in the superblock so that fsck doesn't complain.
>
> Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Thanks, applied.
- Ted
^ permalink raw reply [flat|nested] 2+ messages in thread
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