diff options
| author | Chris Mason <chris.mason@oracle.com> | 2007-11-30 11:30:34 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:58 -0400 |
| commit | 87ee04eb0f2f0c63314cef4a76bd1adac748425e (patch) | |
| tree | 2be6218d1d94ec92230be8df8e215691ecd5065d /fs/btrfs/disk-io.c | |
| parent | 00f5c795fca47d038fedd3f0c9311da3be710c9f (diff) | |
Btrfs: Add simple stripe size parameter
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 | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index eef4ab56b9c..60a30da6af0 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -355,7 +355,7 @@ int wait_on_tree_block_writeback(struct btrfs_root *root, } static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize, - struct btrfs_root *root, + u32 stripesize, struct btrfs_root *root, struct btrfs_fs_info *fs_info, u64 objectid) { @@ -365,6 +365,7 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize, root->sectorsize = sectorsize; root->nodesize = nodesize; root->leafsize = leafsize; + root->stripesize = stripesize; root->ref_cows = 0; root->fs_info = fs_info; root->objectid = objectid; @@ -393,7 +394,8 @@ static int find_and_setup_root(struct btrfs_root *tree_root, u32 blocksize; __setup_root(tree_root->nodesize, tree_root->leafsize, - tree_root->sectorsize, root, fs_info, objectid); + tree_root->sectorsize, tree_root->stripesize, + root, fs_info, objectid); ret = btrfs_find_last_root(tree_root, objectid, &root->root_item, &root->root_key); BUG_ON(ret); @@ -430,8 +432,8 @@ struct btrfs_root *btrfs_read_fs_root_no_radix(struct btrfs_fs_info *fs_info, } __setup_root(tree_root->nodesize, tree_root->leafsize, - tree_root->sectorsize, root, fs_info, - location->objectid); + tree_root->sectorsize, tree_root->stripesize, + root, fs_info, location->objectid); path = btrfs_alloc_path(); BUG_ON(!path); @@ -537,6 +539,7 @@ struct btrfs_root *open_ctree(struct super_block *sb) u32 nodesize; u32 leafsize; u32 blocksize; + u32 stripesize; struct btrfs_root *extent_root = kmalloc(sizeof(struct btrfs_root), GFP_NOFS); struct btrfs_root *tree_root = kmalloc(sizeof(struct btrfs_root), @@ -607,7 +610,7 @@ struct btrfs_root *open_ctree(struct super_block *sb) goto fail_iput; } #endif - __setup_root(512, 512, 512, tree_root, + __setup_root(512, 512, 512, 512, tree_root, fs_info, BTRFS_ROOT_TREE_OBJECTID); fs_info->sb_buffer = read_tree_block(tree_root, @@ -630,9 +633,11 @@ struct btrfs_root *open_ctree(struct super_block *sb) nodesize = btrfs_super_nodesize(disk_super); leafsize = btrfs_super_leafsize(disk_super); sectorsize = btrfs_super_sectorsize(disk_super); + stripesize = btrfs_super_stripesize(disk_super); tree_root->nodesize = nodesize; tree_root->leafsize = leafsize; tree_root->sectorsize = sectorsize; + tree_root->stripesize = stripesize; sb_set_blocksize(sb, sectorsize); i_size_write(fs_info->btree_inode, |