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authorChristoph Hellwig <hch@lst.de>2023-07-24 17:22:41 +0300
committerDavid Sterba <dsterba@suse.com>2023-08-21 15:54:47 +0300
commit76c5126e76696e61ced5d6e34441f857733741bf (patch)
tree8629fc72bcb93e9d79278142be8537936b52a677 /fs/btrfs
parent38dc88890de6cae3db5a33ece287e56fc9cc4ce6 (diff)
downloadlinux-76c5126e76696e61ced5d6e34441f857733741bf.tar.xz
btrfs: move the !zoned assert into run_delalloc_cow
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>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/inode.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 8d0dd266dd1b..ca0f4781b0e5 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -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;
}