diff options
author | James Morris <jmorris@namei.org> | 2011-05-19 12:51:57 +0400 |
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committer | James Morris <jmorris@namei.org> | 2011-05-19 12:51:57 +0400 |
commit | 12a5a2621b1ee14d32beca35304d7c6076a58815 (patch) | |
tree | 213e13f99de690b3c4a510f504393b63ada626bd /fs/btrfs/extent-tree.c | |
parent | e77dc3460fa59be5759e9327ad882868eee9d61b (diff) | |
parent | 61c4f2c81c61f73549928dfd9f3e8f26aa36a8cf (diff) | |
download | linux-12a5a2621b1ee14d32beca35304d7c6076a58815.tar.xz |
Merge branch 'master' into next
Conflicts:
include/linux/capability.h
Manually resolve merge conflict w/ thanks to Stephen Rothwell.
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r-- | fs/btrfs/extent-tree.c | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 31f33ba56fe8..9ee6bd55e16c 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -8059,6 +8059,10 @@ static noinline int relocate_one_extent(struct btrfs_root *extent_root, u64 group_start = group->key.objectid; new_extents = kmalloc(sizeof(*new_extents), GFP_NOFS); + if (!new_extents) { + ret = -ENOMEM; + goto out; + } nr_extents = 1; ret = get_new_locations(reloc_inode, extent_key, @@ -8852,23 +8856,38 @@ out: int btrfs_init_space_info(struct btrfs_fs_info *fs_info) { struct btrfs_space_info *space_info; + struct btrfs_super_block *disk_super; + u64 features; + u64 flags; + int mixed = 0; int ret; - ret = update_space_info(fs_info, BTRFS_BLOCK_GROUP_SYSTEM, 0, 0, - &space_info); - if (ret) - return ret; + disk_super = &fs_info->super_copy; + if (!btrfs_super_root(disk_super)) + return 1; - ret = update_space_info(fs_info, BTRFS_BLOCK_GROUP_METADATA, 0, 0, - &space_info); - if (ret) - return ret; + features = btrfs_super_incompat_flags(disk_super); + if (features & BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS) + mixed = 1; - ret = update_space_info(fs_info, BTRFS_BLOCK_GROUP_DATA, 0, 0, - &space_info); + flags = BTRFS_BLOCK_GROUP_SYSTEM; + ret = update_space_info(fs_info, flags, 0, 0, &space_info); if (ret) - return ret; + goto out; + if (mixed) { + flags = BTRFS_BLOCK_GROUP_METADATA | BTRFS_BLOCK_GROUP_DATA; + ret = update_space_info(fs_info, flags, 0, 0, &space_info); + } else { + flags = BTRFS_BLOCK_GROUP_METADATA; + ret = update_space_info(fs_info, flags, 0, 0, &space_info); + if (ret) + goto out; + + flags = BTRFS_BLOCK_GROUP_DATA; + ret = update_space_info(fs_info, flags, 0, 0, &space_info); + } +out: return ret; } |