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Btrfs: Add simple stripe size parameter

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-11-30 11:30:34 -05:00
parent 00f5c795fc
commit 87ee04eb0f
3 changed files with 43 additions and 13 deletions
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15
fs/btrfs/disk-io.c
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@@ -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,