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| author | Miao Xie <miaox@cn.fujitsu.com> | 2013-05-15 07:48:22 +0000 |
|---|---|---|
| committer | Josef Bacik <jbacik@fusionio.com> | 2013-06-14 11:29:40 -0400 |
| commit | eb73c1b7cea7d533288ef5297a0ea0e159db85b0 (patch) | |
| tree | cb6e26e79ab0c11eed7f1db8967e37dbf770f974 /fs/btrfs/ctree.h | |
| parent | b0feb9d96e71a88d7eec56f41b8f23e92af889b0 (diff) | |
| download | linux-eb73c1b7cea7d533288ef5297a0ea0e159db85b0.tar.bz2 | |
Btrfs: introduce per-subvolume delalloc inode list
When we create a snapshot, we need flush all delalloc inodes in the
fs, just flushing the inodes in the source tree is OK. So we introduce
per-subvolume delalloc inode list.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 91a8ca7af77e..43c073533940 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1449,13 +1449,9 @@ struct btrfs_fs_info { */ struct list_head ordered_extents; - spinlock_t delalloc_lock; - /* - * all of the inodes that have delalloc bytes. It is possible for - * this list to be empty even when there is still dirty data=ordered - * extents waiting to finish IO. - */ - struct list_head delalloc_inodes; + spinlock_t delalloc_root_lock; + /* all fs/file tree roots that have delalloc inodes. */ + struct list_head delalloc_roots; /* * there is a pool of worker threads for checksumming during writes @@ -1747,6 +1743,16 @@ struct btrfs_root { spinlock_t root_item_lock; atomic_t refs; + + spinlock_t delalloc_lock; + /* + * all of the inodes that have delalloc bytes. It is possible for + * this list to be empty even when there is still dirty data=ordered + * extents waiting to finish IO. + */ + struct list_head delalloc_inodes; + struct list_head delalloc_root; + u64 nr_delalloc_inodes; }; struct btrfs_ioctl_defrag_range_args { @@ -3550,6 +3556,8 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans, u32 min_type); int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput); +int btrfs_start_all_delalloc_inodes(struct btrfs_fs_info *fs_info, + int delay_iput); int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end, struct extent_state **cached_state); int btrfs_create_subvol_root(struct btrfs_trans_handle *trans, |