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Merge branch 'ino-alloc' of git://repo.or.cz/linux-btrfs-devel into inode_numbers

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Conflicts:
	fs/btrfs/free-space-cache.c

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2011-05-21 09:27:38 -04:00
parent 61c4f2c81c 82d5902d9c
commit 0965537308
19 changed files with 1408 additions and 638 deletions
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50
fs/btrfs/extent-tree.c
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@@ -105,6 +105,7 @@ void btrfs_put_block_group(struct btrfs_block_group_cache *cache)
WARN_ON(cache->pinned > 0);
WARN_ON(cache->reserved > 0);
WARN_ON(cache->reserved_pinned > 0);
kfree(cache->free_space_ctl);
kfree(cache);
}
}
@@ -3144,7 +3145,8 @@ int btrfs_check_data_free_space(struct inode *inode, u64 bytes)
/* make sure bytes are sectorsize aligned */
bytes = (bytes + root->sectorsize - 1) & ~((u64)root->sectorsize - 1);
if (root == root->fs_info->tree_root) {
if (root == root->fs_info->tree_root ||
BTRFS_I(inode)->location.objectid == BTRFS_FREE_INO_OBJECTID) {
alloc_chunk = 0;
committed = 1;
}
@@ -4893,7 +4895,7 @@ wait_block_group_cache_progress(struct btrfs_block_group_cache *cache,
return 0;
wait_event(caching_ctl->wait, block_group_cache_done(cache) ||
(cache->free_space >= num_bytes));
(cache->free_space_ctl->free_space >= num_bytes));
put_caching_control(caching_ctl);
return 0;
@@ -7008,8 +7010,8 @@ static noinline int get_new_locations(struct inode *reloc_inode,
cur_pos = extent_key->objectid - offset;
last_byte = extent_key->objectid + extent_key->offset;
ret = btrfs_lookup_file_extent(NULL, root, path, reloc_inode->i_ino,
cur_pos, 0);
ret = btrfs_lookup_file_extent(NULL, root, path,
btrfs_ino(reloc_inode), cur_pos, 0);
if (ret < 0)
goto out;
if (ret > 0) {
@@ -7032,7 +7034,7 @@ static noinline int get_new_locations(struct inode *reloc_inode,
btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);
if (found_key.offset != cur_pos ||
found_key.type != BTRFS_EXTENT_DATA_KEY ||
found_key.objectid != reloc_inode->i_ino)
found_key.objectid != btrfs_ino(reloc_inode))
break;
fi = btrfs_item_ptr(leaf, path->slots[0],
@@ -7178,7 +7180,7 @@ next:
break;
}
if (inode && key.objectid != inode->i_ino) {
if (inode && key.objectid != btrfs_ino(inode)) {
BUG_ON(extent_locked);
btrfs_release_path(root, path);
mutex_unlock(&inode->i_mutex);
@@ -7487,7 +7489,7 @@ static noinline int invalidate_extent_cache(struct btrfs_root *root,
continue;
if (btrfs_file_extent_disk_bytenr(leaf, fi) == 0)
continue;
if (!inode || inode->i_ino != key.objectid) {
if (!inode || btrfs_ino(inode) != key.objectid) {
iput(inode);
inode = btrfs_ilookup(target_root->fs_info->sb,
key.objectid, target_root, 1);
@@ -8555,10 +8557,16 @@ int btrfs_read_block_groups(struct btrfs_root *root)
ret = -ENOMEM;
goto error;
}
cache->free_space_ctl = kzalloc(sizeof(*cache->free_space_ctl),
GFP_NOFS);
if (!cache->free_space_ctl) {
kfree(cache);
ret = -ENOMEM;
goto error;
}
atomic_set(&cache->count, 1);
spin_lock_init(&cache->lock);
spin_lock_init(&cache->tree_lock);
cache->fs_info = info;
INIT_LIST_HEAD(&cache->list);
INIT_LIST_HEAD(&cache->cluster_list);
@@ -8566,14 +8574,6 @@ int btrfs_read_block_groups(struct btrfs_root *root)
if (need_clear)
cache->disk_cache_state = BTRFS_DC_CLEAR;
/*
* we only want to have 32k of ram per block group for keeping
* track of free space, and if we pass 1/2 of that we want to
* start converting things over to using bitmaps
*/
cache->extents_thresh = ((1024 * 32) / 2) /
sizeof(struct btrfs_free_space);
read_extent_buffer(leaf, &cache->item,
btrfs_item_ptr_offset(leaf, path->slots[0]),
sizeof(cache->item));
@@ -8584,6 +8584,8 @@ int btrfs_read_block_groups(struct btrfs_root *root)
cache->flags = btrfs_block_group_flags(&cache->item);
cache->sectorsize = root->sectorsize;
btrfs_init_free_space_ctl(cache);
/*
* We need to exclude the super stripes now so that the space
* info has super bytes accounted for, otherwise we'll think
@@ -8670,6 +8672,12 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans,
cache = kzalloc(sizeof(*cache), GFP_NOFS);
if (!cache)
return -ENOMEM;
cache->free_space_ctl = kzalloc(sizeof(*cache->free_space_ctl),
GFP_NOFS);
if (!cache->free_space_ctl) {
kfree(cache);
return -ENOMEM;
}
cache->key.objectid = chunk_offset;
cache->key.offset = size;
@@ -8677,19 +8685,13 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans,
cache->sectorsize = root->sectorsize;
cache->fs_info = root->fs_info;
/*
* we only want to have 32k of ram per block group for keeping track
* of free space, and if we pass 1/2 of that we want to start
* converting things over to using bitmaps
*/
cache->extents_thresh = ((1024 * 32) / 2) /
sizeof(struct btrfs_free_space);
atomic_set(&cache->count, 1);
spin_lock_init(&cache->lock);
spin_lock_init(&cache->tree_lock);
INIT_LIST_HEAD(&cache->list);
INIT_LIST_HEAD(&cache->cluster_list);
btrfs_init_free_space_ctl(cache);
btrfs_set_block_group_used(&cache->item, bytes_used);
btrfs_set_block_group_chunk_objectid(&cache->item, chunk_objectid);
cache->flags = type;