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OpenCloudOS-Kernel
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Btrfs: Fix NULL block groups on reading the inode 

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2007-12-21 16:36:24 -05:00
parent edbd8d4efe
commit e52ec0eb62
2 changed files with 6 additions and 2 deletions
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4
fs/btrfs/extent-tree.c
View File

@ -1630,11 +1630,11 @@ int btrfs_alloc_extent(struct btrfs_trans_handle *trans,
struct btrfs_path *path;
btrfs_set_stack_extent_refs(&extent_item, 1);
#if 0
new_hint = max(hint_byte, 16ULL * 1024 * 1024 * 1024);
if (new_hint < btrfs_super_total_bytes(&info->super_copy))
hint_byte = new_hint;
#endif
WARN_ON(num_bytes < root->sectorsize);
ret = find_free_extent(trans, root, num_bytes, empty_size,
search_start, search_end, hint_byte, ins,

4
fs/btrfs/inode.c
View File

@ -402,6 +402,10 @@ void btrfs_read_locked_inode(struct inode *inode)
BTRFS_I(inode)->block_group = btrfs_lookup_block_group(root->fs_info,
alloc_group_block);
if (!BTRFS_I(inode)->block_group) {
BTRFS_I(inode)->block_group = btrfs_find_block_group(root,
NULL, 0, 0, 0);
}
btrfs_free_path(path);
inode_item = NULL;