From: Theodore Ts'o Date: Mon, 22 Apr 2013 00:19:43 +0000 (-0400) Subject: ext4: fix online resizing for ext3-compat file systems X-Git-Tag: Ubuntu-snapdragon-4.4.0-1029.32~11061^2~3 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=c5c72d814cf0f650010337c73638b25e6d14d2d4;p=mirror_ubuntu-zesty-kernel.git ext4: fix online resizing for ext3-compat file systems Commit fb0a387dcdc restricts block allocations for indirect-mapped files to block groups less than s_blockfile_groups. However, the online resizing code wasn't setting s_blockfile_groups, so the newly added block groups were not available for non-extent mapped files. Reported-by: Eric Sandeen Signed-off-by: "Theodore Ts'o" Cc: stable@vger.kernel.org --- diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index e3498534a2c1..08d2312c0fd4 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1341,6 +1341,8 @@ static void ext4_update_super(struct super_block *sb, /* Update the global fs size fields */ sbi->s_groups_count += flex_gd->count; + sbi->s_blockfile_groups = min_t(ext4_group_t, sbi->s_groups_count, + (EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb))); /* Update the reserved block counts only once the new group is * active. */