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Btrfs: fix crash in log replay with qgroups enabled 

When replaying a log tree with qgroups enabled, tree_mod_log_rewind does a
sanity-check of the number of items against the maximum possible number.
It calculates that number with the nodesize of fs_root. Unfortunately
fs_root is not yet set at this stage. So instead use the nodesize from
tree_root, which is already initialized.

Signed-off-by: Arne Jansen <sensille@gmx.net>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Arne Jansen 2013-02-13 04:20:01 -07:00 committed by Chris Mason
parent 1a65e24b0b
commit 2a745b14bc
1 changed files with 1 additions and 1 deletions
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fs/btrfs/ctree.c
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@ -1222,7 +1222,7 @@ tree_mod_log_rewind(struct btrfs_fs_info *fs_info, struct extent_buffer *eb,
__tree_mod_log_rewind(eb_rewin, time_seq, tm);
WARN_ON(btrfs_header_nritems(eb_rewin) >
BTRFS_NODEPTRS_PER_BLOCK(fs_info->fs_root));
BTRFS_NODEPTRS_PER_BLOCK(fs_info->tree_root));
return eb_rewin;
}