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authorJohannes Thumshirn2021-02-04 19:22:01 +0900
committerDavid Sterba2021-02-09 02:46:05 +0100
commitcacb2cea46382aacf0365dbe231bd1ac3349478e (patch)
tree2df7b16cd23bbdc4b902c0f8457f7ba80e810e0a /fs/btrfs/ctree.h
parentd22002fd37bd970480c59754dfa448866a1f38bd (diff)
btrfs: zoned: check if bio spans across an ordered extent
To ensure that an ordered extent maps to a contiguous region on disk, we need to maintain a "one bio == one ordered extent" rule. Ensure that constructing bio does not span more than an ordered extent. Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
-rw-r--r--fs/btrfs/ctree.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index a9b0521d9e89..10da47ab093a 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3120,6 +3120,8 @@ void btrfs_split_delalloc_extent(struct inode *inode,
struct extent_state *orig, u64 split);
int btrfs_bio_fits_in_stripe(struct page *page, size_t size, struct bio *bio,
unsigned long bio_flags);
+bool btrfs_bio_fits_in_ordered_extent(struct page *page, struct bio *bio,
+ unsigned int size);
void btrfs_set_range_writeback(struct extent_io_tree *tree, u64 start, u64 end);
vm_fault_t btrfs_page_mkwrite(struct vm_fault *vmf);
int btrfs_readpage(struct file *file, struct page *page);