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btrfs: unexport btrfs_extent_readonly() and make it static 

btrfs_extent_readonly() is used by can_nocow_extent() in inode.c. So
move it from extent-tree.c to inode.c and declare it as static.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain 2021-02-10 21:25:15 -08:00 committed by David Sterba
parent b6e9f16c5f
commit 05947ae186
3 changed files with 13 additions and 14 deletions
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1
fs/btrfs/ctree.h
View File

@ -2691,7 +2691,6 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans);
int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans,
struct btrfs_ref *generic_ref);
int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr);
void btrfs_clear_space_info_full(struct btrfs_fs_info *info);
/*

13
fs/btrfs/extent-tree.c
View File

@ -2490,19 +2490,6 @@ int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
return __btrfs_mod_ref(trans, root, buf, full_backref, 0);
}
int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr)
{
struct btrfs_block_group *block_group;
int readonly = 0;
block_group = btrfs_lookup_block_group(fs_info, bytenr);
if (!block_group || block_group->ro)
readonly = 1;
if (block_group)
btrfs_put_block_group(block_group);
return readonly;
}
static u64 get_alloc_profile_by_root(struct btrfs_root *root, int data)
{
struct btrfs_fs_info *fs_info = root->fs_info;

13
fs/btrfs/inode.c
View File

@ -7262,6 +7262,19 @@ static struct extent_map *btrfs_new_extent_direct(struct btrfs_inode *inode,
return em;
}
static int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr)
{
struct btrfs_block_group *block_group;
int readonly = 0;
block_group = btrfs_lookup_block_group(fs_info, bytenr);
if (!block_group || block_group->ro)
readonly = 1;
if (block_group)
btrfs_put_block_group(block_group);
return readonly;
}
/*
* Check if we can do nocow write into the range [@offset, @offset + @len)
*