btrfs: extent-tree: Switch to new delalloc space reserve and release
Use new __btrfs_delalloc_reserve_space() and
__btrfs_delalloc_release_space() to reserve and release space for
delalloc.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 61fb78f..29b3702 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1608,7 +1608,7 @@
btrfs_delalloc_release_metadata(inode,
release_bytes);
else
- btrfs_delalloc_release_space(inode,
+ __btrfs_delalloc_release_space(inode, pos,
release_bytes);
}
@@ -1661,7 +1661,8 @@
btrfs_end_write_no_snapshoting(root);
btrfs_delalloc_release_metadata(inode, release_bytes);
} else {
- btrfs_delalloc_release_space(inode, release_bytes);
+ __btrfs_delalloc_release_space(inode, pos,
+ release_bytes);
}
}
diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index d4a582a..78bc09c 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -488,17 +488,17 @@
/* Just to make sure we have enough space */
prealloc += 8 * PAGE_CACHE_SIZE;
- ret = btrfs_delalloc_reserve_space(inode, prealloc);
+ ret = __btrfs_delalloc_reserve_space(inode, 0, prealloc);
if (ret)
goto out_put;
ret = btrfs_prealloc_file_range_trans(inode, trans, 0, 0, prealloc,
prealloc, prealloc, &alloc_hint);
if (ret) {
- btrfs_delalloc_release_space(inode, prealloc);
+ __btrfs_delalloc_release_space(inode, 0, prealloc);
goto out_put;
}
- btrfs_free_reserved_data_space(inode, prealloc);
+ __btrfs_free_reserved_data_space(inode, 0, prealloc);
ret = btrfs_write_out_ino_cache(root, trans, path, inode);
out_put:
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index c21ed7b..a3942a7 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1769,7 +1769,8 @@
if (root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID
&& do_list && !(state->state & EXTENT_NORESERVE))
- btrfs_free_reserved_data_space(inode, len);
+ __btrfs_free_reserved_data_space(inode, state->start,
+ len);
__percpu_counter_add(&root->fs_info->delalloc_bytes, -len,
root->fs_info->delalloc_batch);
@@ -1992,7 +1993,8 @@
goto again;
}
- ret = btrfs_delalloc_reserve_space(inode, PAGE_CACHE_SIZE);
+ ret = __btrfs_delalloc_reserve_space(inode, page_start,
+ PAGE_CACHE_SIZE);
if (ret) {
mapping_set_error(page->mapping, ret);
end_extent_writepage(page, ret, page_start, page_end);
@@ -4638,14 +4640,17 @@
if ((offset & (blocksize - 1)) == 0 &&
(!len || ((len & (blocksize - 1)) == 0)))
goto out;
- ret = btrfs_delalloc_reserve_space(inode, PAGE_CACHE_SIZE);
+ ret = __btrfs_delalloc_reserve_space(inode,
+ round_down(from, PAGE_CACHE_SIZE), PAGE_CACHE_SIZE);
if (ret)
goto out;
again:
page = find_or_create_page(mapping, index, mask);
if (!page) {
- btrfs_delalloc_release_space(inode, PAGE_CACHE_SIZE);
+ __btrfs_delalloc_release_space(inode,
+ round_down(from, PAGE_CACHE_SIZE),
+ PAGE_CACHE_SIZE);
ret = -ENOMEM;
goto out;
}
@@ -4713,7 +4718,8 @@
out_unlock:
if (ret)
- btrfs_delalloc_release_space(inode, PAGE_CACHE_SIZE);
+ __btrfs_delalloc_release_space(inode, page_start,
+ PAGE_CACHE_SIZE);
unlock_page(page);
page_cache_release(page);
out:
@@ -7644,7 +7650,7 @@
spin_unlock(&BTRFS_I(inode)->lock);
}
- btrfs_free_reserved_data_space(inode, len);
+ __btrfs_free_reserved_data_space(inode, start, len);
WARN_ON(dio_data->reserve < len);
dio_data->reserve -= len;
current->journal_info = dio_data;
@@ -8434,7 +8440,7 @@
mutex_unlock(&inode->i_mutex);
relock = true;
}
- ret = btrfs_delalloc_reserve_space(inode, count);
+ ret = __btrfs_delalloc_reserve_space(inode, offset, count);
if (ret)
goto out;
dio_data.outstanding_extents = div64_u64(count +
@@ -8463,11 +8469,11 @@
current->journal_info = NULL;
if (ret < 0 && ret != -EIOCBQUEUED) {
if (dio_data.reserve)
- btrfs_delalloc_release_space(inode,
- dio_data.reserve);
+ __btrfs_delalloc_release_space(inode, offset,
+ dio_data.reserve);
} else if (ret >= 0 && (size_t)ret < count)
- btrfs_delalloc_release_space(inode,
- count - (size_t)ret);
+ __btrfs_delalloc_release_space(inode, offset,
+ count - (size_t)ret);
}
out:
if (wakeup)
@@ -8675,7 +8681,11 @@
u64 page_end;
sb_start_pagefault(inode->i_sb);
- ret = btrfs_delalloc_reserve_space(inode, PAGE_CACHE_SIZE);
+ page_start = page_offset(page);
+ page_end = page_start + PAGE_CACHE_SIZE - 1;
+
+ ret = __btrfs_delalloc_reserve_space(inode, page_start,
+ PAGE_CACHE_SIZE);
if (!ret) {
ret = file_update_time(vma->vm_file);
reserved = 1;
@@ -8694,8 +8704,6 @@
again:
lock_page(page);
size = i_size_read(inode);
- page_start = page_offset(page);
- page_end = page_start + PAGE_CACHE_SIZE - 1;
if ((page->mapping != inode->i_mapping) ||
(page_start >= size)) {
@@ -8772,7 +8780,7 @@
}
unlock_page(page);
out:
- btrfs_delalloc_release_space(inode, PAGE_CACHE_SIZE);
+ __btrfs_delalloc_release_space(inode, page_start, PAGE_CACHE_SIZE);
out_noreserve:
sb_end_pagefault(inode->i_sb);
return ret;
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 685df7e..70732e6 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1119,8 +1119,9 @@
page_cnt = min_t(u64, (u64)num_pages, (u64)file_end - start_index + 1);
- ret = btrfs_delalloc_reserve_space(inode,
- page_cnt << PAGE_CACHE_SHIFT);
+ ret = __btrfs_delalloc_reserve_space(inode,
+ start_index << PAGE_CACHE_SHIFT,
+ page_cnt << PAGE_CACHE_SHIFT);
if (ret)
return ret;
i_done = 0;
@@ -1209,8 +1210,9 @@
spin_lock(&BTRFS_I(inode)->lock);
BTRFS_I(inode)->outstanding_extents++;
spin_unlock(&BTRFS_I(inode)->lock);
- btrfs_delalloc_release_space(inode,
- (page_cnt - i_done) << PAGE_CACHE_SHIFT);
+ __btrfs_delalloc_release_space(inode,
+ start_index << PAGE_CACHE_SHIFT,
+ (page_cnt - i_done) << PAGE_CACHE_SHIFT);
}
@@ -1235,7 +1237,9 @@
unlock_page(pages[i]);
page_cache_release(pages[i]);
}
- btrfs_delalloc_release_space(inode, page_cnt << PAGE_CACHE_SHIFT);
+ __btrfs_delalloc_release_space(inode,
+ start_index << PAGE_CACHE_SHIFT,
+ page_cnt << PAGE_CACHE_SHIFT);
return ret;
}