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Diffstat (limited to 'fs/btrfs/inode.c')
-rw-r--r--fs/btrfs/inode.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 7c096ab9bb5e..61b4651f008d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1151,7 +1151,7 @@ static noinline int cow_file_range(struct btrfs_inode *inode,
* fails during the stage where it updates the bytenr of file extent
* items.
*/
- if (root->root_key.objectid == BTRFS_DATA_RELOC_TREE_OBJECTID)
+ if (btrfs_is_data_reloc_root(root))
min_alloc_size = num_bytes;
else
min_alloc_size = fs_info->sectorsize;
@@ -1187,8 +1187,7 @@ static noinline int cow_file_range(struct btrfs_inode *inode,
if (ret)
goto out_drop_extent_cache;
- if (root->root_key.objectid ==
- BTRFS_DATA_RELOC_TREE_OBJECTID) {
+ if (btrfs_is_data_reloc_root(root)) {
ret = btrfs_reloc_clone_csums(inode, start,
cur_alloc_size);
/*
@@ -1504,8 +1503,7 @@ static int fallback_to_cow(struct btrfs_inode *inode, struct page *locked_page,
int *page_started, unsigned long *nr_written)
{
const bool is_space_ino = btrfs_is_free_space_inode(inode);
- const bool is_reloc_ino = (inode->root->root_key.objectid ==
- BTRFS_DATA_RELOC_TREE_OBJECTID);
+ const bool is_reloc_ino = btrfs_is_data_reloc_root(inode->root);
const u64 range_bytes = end + 1 - start;
struct extent_io_tree *io_tree = &inode->io_tree;
u64 range_start = start;
@@ -1867,8 +1865,7 @@ out_check:
btrfs_dec_nocow_writers(fs_info, disk_bytenr);
nocow = false;
- if (root->root_key.objectid ==
- BTRFS_DATA_RELOC_TREE_OBJECTID)
+ if (btrfs_is_data_reloc_root(root))
/*
* Error handled later, as we must prevent
* extent_clear_unlock_delalloc() in error handler
@@ -1948,7 +1945,15 @@ 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) ||
@@ -2207,7 +2212,7 @@ void btrfs_clear_delalloc_extent(struct inode *vfs_inode,
if (btrfs_is_testing(fs_info))
return;
- if (root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID &&
+ if (!btrfs_is_data_reloc_root(root) &&
do_list && !(state->state & EXTENT_NORESERVE) &&
(*bits & EXTENT_CLEAR_DATA_RESV))
btrfs_free_reserved_data_space_noquota(fs_info, len);
@@ -2532,7 +2537,7 @@ blk_status_t btrfs_submit_data_bio(struct inode *inode, struct bio *bio,
goto mapit;
} else if (async && !skip_sum) {
/* csum items have already been cloned */
- if (root->root_key.objectid == BTRFS_DATA_RELOC_TREE_OBJECTID)
+ if (btrfs_is_data_reloc_root(root))
goto mapit;
/* we're doing a write, do the async checksumming */
ret = btrfs_wq_submit_bio(inode, bio, mirror_num, bio_flags,
@@ -3304,7 +3309,7 @@ unsigned int btrfs_verify_data_csum(struct btrfs_io_bio *io_bio, u32 bio_offset,
u64 file_offset = pg_off + page_offset(page);
int ret;
- if (root->root_key.objectid == BTRFS_DATA_RELOC_TREE_OBJECTID &&
+ if (btrfs_is_data_reloc_root(root) &&
test_range_bit(io_tree, file_offset,
file_offset + sectorsize - 1,
EXTENT_NODATASUM, 1, NULL)) {
@@ -4005,7 +4010,7 @@ noinline int btrfs_update_inode(struct btrfs_trans_handle *trans,
* without delay
*/
if (!btrfs_is_free_space_inode(inode)
- && root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID
+ && !btrfs_is_data_reloc_root(root)
&& !test_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags)) {
btrfs_update_root_times(trans, root);