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btrfs: move the !zoned assert into run_delalloc_cow

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Having the assert in the actual helper documents the pre-conditions
much better than having it in the caller, so move it.

Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Christoph Hellwig 2023-07-24 07:22:41 -07:00 • committed by David Sterba
parent 38dc88890d
commit 76c5126e76
1 changed files with 7 additions and 8 deletions
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15
fs/btrfs/inode.c
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@ -1976,6 +1976,13 @@ static noinline int run_delalloc_nocow(struct btrfs_inode *inode,
u64 ino = btrfs_ino(inode);
struct can_nocow_file_extent_args nocow_args = { 0 };
/*
* Normally on a zoned device we're only doing COW writes, but in case
* of relocation on a zoned filesystem serializes I/O so that we're only
* writing sequentially and can end up here as well.
*/
ASSERT(!btrfs_is_zoned(fs_info) || btrfs_is_data_reloc_root(root));
path = btrfs_alloc_path();
if (!path) {
ret = -ENOMEM;
@ -2257,14 +2264,6 @@ int btrfs_run_delalloc_range(struct btrfs_inode *inode, struct page *locked_page
start >= page_offset(locked_page) + PAGE_SIZE));
if (should_nocow(inode, start, end)) {
/*
* Normally on a zoned device we're only doing COW writes, but
* in case of relocation on a zoned filesystem we have taken
* precaution, that we're only writing sequentially. It's safe
* to use run_delalloc_nocow() here, like for regular
* preallocated inodes.
*/
ASSERT(!zoned || btrfs_is_data_reloc_root(inode->root));
ret = run_delalloc_nocow(inode, locked_page, start, end);
goto out;
}