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Btrfs: make add_pinned_bytes() take an s64 num_bytes instead of u64 

There are a few places where we pass in a negative num_bytes, so make it
signed for clarity. Also move it up in the file since later patches will
need it there.

Signed-off-by: Omar Sandoval <osandov@fb.com>
Tested-by: Holger Hoffstätte <holger@applied-asynchrony.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Omar Sandoval 2017-06-06 16:45:26 -07:00 committed by David Sterba
parent 1164a9fb9c
commit 0d9f824df3
1 changed files with 20 additions and 21 deletions
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41
fs/btrfs/extent-tree.c
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@ -767,6 +767,26 @@ static struct btrfs_space_info *__find_space_info(struct btrfs_fs_info *info,
return NULL;
}
static void add_pinned_bytes(struct btrfs_fs_info *fs_info, s64 num_bytes,
u64 owner, u64 root_objectid)
{
struct btrfs_space_info *space_info;
u64 flags;
if (owner < BTRFS_FIRST_FREE_OBJECTID) {
if (root_objectid == BTRFS_CHUNK_TREE_OBJECTID)
flags = BTRFS_BLOCK_GROUP_SYSTEM;
else
flags = BTRFS_BLOCK_GROUP_METADATA;
} else {
flags = BTRFS_BLOCK_GROUP_DATA;
}
space_info = __find_space_info(fs_info, flags);
BUG_ON(!space_info); /* Logic bug */
percpu_counter_add(&space_info->total_bytes_pinned, num_bytes);
}
/*
* after adding space to the filesystem, we need to clear the full flags
* on all the space infos.
@ -6808,27 +6828,6 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans,
return 0;
}
static void add_pinned_bytes(struct btrfs_fs_info *fs_info, u64 num_bytes,
u64 owner, u64 root_objectid)
{
struct btrfs_space_info *space_info;
u64 flags;
if (owner < BTRFS_FIRST_FREE_OBJECTID) {
if (root_objectid == BTRFS_CHUNK_TREE_OBJECTID)
flags = BTRFS_BLOCK_GROUP_SYSTEM;
else
flags = BTRFS_BLOCK_GROUP_METADATA;
} else {
flags = BTRFS_BLOCK_GROUP_DATA;
}
space_info = __find_space_info(fs_info, flags);
BUG_ON(!space_info); /* Logic bug */
percpu_counter_add(&space_info->total_bytes_pinned, num_bytes);
}
static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *info,
struct btrfs_delayed_ref_node *node, u64 parent,