From 1f7896ef187aafa3e3b509d33a4a16ab7ff32796 Mon Sep 17 00:00:00 2001 From: Ilya Dryomov Date: Mon, 16 Jan 2012 22:04:47 +0200 Subject: [PATCH] --- yaml --- r: 285957 b: refs/heads/master c: 10ea00f55a07f8f9536d9112b95108a86f700bab h: refs/heads/master i: 285955: 7d8aa8156fa6f6057dce6cead0a792d7ae8e0284 v: v3 --- [refs] | 2 +- trunk/fs/btrfs/extent-tree.c | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index ab07c40e4977..0f0a4a770b20 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: a46d11a8b06dd0431a3888fbc4856ea13a8e634f +refs/heads/master: 10ea00f55a07f8f9536d9112b95108a86f700bab diff --git a/trunk/fs/btrfs/extent-tree.c b/trunk/fs/btrfs/extent-tree.c index 15a22949da17..946b0671c5d9 100644 --- a/trunk/fs/btrfs/extent-tree.c +++ b/trunk/fs/btrfs/extent-tree.c @@ -7469,6 +7469,22 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, return 0; } +static void clear_avail_alloc_bits(struct btrfs_fs_info *fs_info, u64 flags) +{ + u64 extra_flags = flags & BTRFS_BLOCK_GROUP_PROFILE_MASK; + + /* chunk -> extended profile */ + if (extra_flags == 0) + extra_flags = BTRFS_AVAIL_ALLOC_BIT_SINGLE; + + if (flags & BTRFS_BLOCK_GROUP_DATA) + fs_info->avail_data_alloc_bits &= ~extra_flags; + if (flags & BTRFS_BLOCK_GROUP_METADATA) + fs_info->avail_metadata_alloc_bits &= ~extra_flags; + if (flags & BTRFS_BLOCK_GROUP_SYSTEM) + fs_info->avail_system_alloc_bits &= ~extra_flags; +} + int btrfs_remove_block_group(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 group_start) { @@ -7479,6 +7495,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans, struct btrfs_key key; struct inode *inode; int ret; + int index; int factor; root = root->fs_info->extent_root; @@ -7494,6 +7511,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans, free_excluded_extents(root, block_group); memcpy(&key, &block_group->key, sizeof(key)); + index = get_block_group_index(block_group); if (block_group->flags & (BTRFS_BLOCK_GROUP_DUP | BTRFS_BLOCK_GROUP_RAID1 | BTRFS_BLOCK_GROUP_RAID10)) @@ -7568,6 +7586,8 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans, * are still on the list after taking the semaphore */ list_del_init(&block_group->list); + if (list_empty(&block_group->space_info->block_groups[index])) + clear_avail_alloc_bits(root->fs_info, block_group->flags); up_write(&block_group->space_info->groups_sem); if (block_group->cached == BTRFS_CACHE_STARTED)