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authorYan Zheng <zheng.yan@oracle.com>2008-11-12 14:34:12 -0500
committerChris Mason <chris.mason@oracle.com>2008-11-12 14:34:12 -0500
commitc146afad2c7fea6a366d4945c1bab9b03880f526 (patch)
treedd217139525a521895125843ca31f61cfbb49dca /fs/btrfs/ctree.h
parentf3465ca44e2a51fd647c167045768a8ab5a96603 (diff)
Btrfs: mount ro and remount support
This patch adds mount ro and remount support. The main changes in patch are: adding btrfs_remount and related helper function; splitting the transaction related code out of close_ctree into btrfs_commit_super; updating allocator to properly handle read only block group. Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
-rw-r--r--fs/btrfs/ctree.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index f575939e025..c4c6c127323 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -541,6 +541,7 @@ struct btrfs_space_info {
u64 bytes_used;
u64 bytes_pinned;
u64 bytes_reserved;
+ u64 bytes_readonly;
int full;
int force_alloc;
struct list_head list;