aboutsummaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
authorJohannes Thumshirn2021-09-09 01:19:29 +0900
committerDavid Sterba2021-10-26 19:08:01 +0200
commit2adada886b26e998b5a624e72f0834ebfdc54cc7 (patch)
tree9066008f1e3884253e13ff1d907bbb0046de12b9 /fs
parente6d261e3b1f777b499ce8f535ed44dd1b69278b7 (diff)
btrfs: check for relocation inodes on zoned btrfs in should_nocow
Prepare for allowing preallocation for relocation inodes. Reviewed-by: Naohiro Aota <naohiro.aota@wdc.com> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/inode.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 7d27d6626888..9b05af75d910 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1944,7 +1944,15 @@ int btrfs_run_delalloc_range(struct btrfs_inode *inode, struct page *locked_page
const bool zoned = btrfs_is_zoned(inode->root->fs_info);
if (should_nocow(inode, start, end)) {
- ASSERT(!zoned);
+ /*
+ * 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 ||
+ (zoned && btrfs_is_data_reloc_root(inode->root)));
ret = run_delalloc_nocow(inode, locked_page, start, end,
page_started, nr_written);
} else if (!inode_can_compress(inode) ||