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| author | Yan, Zheng <zheng.yan@oracle.com> | 2010-05-16 10:49:59 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2010-05-25 10:34:53 -0400 |
| commit | 4a500fd178c89b96fa166a2d9e7855df33429841 (patch) | |
| tree | b97fe0b0c1cb19388fcf28f77cd74a645ec69a61 /fs/btrfs/disk-io.c | |
| parent | d68fc57b7e3245cfacf2e3b47acfed1946a11786 (diff) | |
| download | linux-4a500fd178c89b96fa166a2d9e7855df33429841.tar.bz2 | |
Btrfs: Metadata ENOSPC handling for tree log
Previous patches make the allocater return -ENOSPC if there is no
unreserved free metadata space. This patch updates tree log code
and various other places to propagate/handle the ENOSPC error.
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 82955b73a962..a8772b5a9cb5 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -972,42 +972,6 @@ static int find_and_setup_root(struct btrfs_root *tree_root, return 0; } -int btrfs_free_log_root_tree(struct btrfs_trans_handle *trans, - struct btrfs_fs_info *fs_info) -{ - struct extent_buffer *eb; - struct btrfs_root *log_root_tree = fs_info->log_root_tree; - u64 start = 0; - u64 end = 0; - int ret; - - if (!log_root_tree) - return 0; - - while (1) { - ret = find_first_extent_bit(&log_root_tree->dirty_log_pages, - 0, &start, &end, EXTENT_DIRTY | EXTENT_NEW); - if (ret) - break; - - clear_extent_bits(&log_root_tree->dirty_log_pages, start, end, - EXTENT_DIRTY | EXTENT_NEW, GFP_NOFS); - } - eb = fs_info->log_root_tree->node; - - WARN_ON(btrfs_header_level(eb) != 0); - WARN_ON(btrfs_header_nritems(eb) != 0); - - ret = btrfs_free_reserved_extent(fs_info->tree_root, - eb->start, eb->len); - BUG_ON(ret); - - free_extent_buffer(eb); - kfree(fs_info->log_root_tree); - fs_info->log_root_tree = NULL; - return 0; -} - static struct btrfs_root *alloc_log_tree(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info) { |