[PATCH v3 13/31] btrfs: make btrfs_set_range_writeback() subpage compatible
From: Qu Wenruo <hidden>
Date: 2021-05-21 06:43:08
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
Function btrfs_set_range_writeback() currently just set the page writeback unconditionally. Change it to call the subpage helper so that we can handle both cases well. Since the subpage helpers needs btrfs_info, also change the parameter to accept btrfs_inode. Signed-off-by: Qu Wenruo <redacted> --- fs/btrfs/ctree.h | 2 +- fs/btrfs/extent_io.c | 3 +-- fs/btrfs/inode.c | 12 ++++++++---- 3 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 42048d051317..37e6b7334c26 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h@@ -3146,7 +3146,7 @@ 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); -void btrfs_set_range_writeback(struct extent_io_tree *tree, u64 start, u64 end); +void btrfs_set_range_writeback(struct btrfs_inode *inode, u64 start, u64 end); vm_fault_t btrfs_page_mkwrite(struct vm_fault *vmf); int btrfs_readpage(struct file *file, struct page *page); void btrfs_evict_inode(struct inode *inode);
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 8c1f66a9a2c4..a635c844617c 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c@@ -3806,7 +3806,6 @@ static noinline_for_stack int __extent_writepage_io(struct btrfs_inode *inode, int *nr_ret) { struct btrfs_fs_info *fs_info = inode->root->fs_info; - struct extent_io_tree *tree = &inode->io_tree; u64 start = page_offset(page); u64 end = start + PAGE_SIZE - 1; u64 cur = start;
@@ -3885,7 +3884,7 @@ static noinline_for_stack int __extent_writepage_io(struct btrfs_inode *inode, continue; } - btrfs_set_range_writeback(tree, cur, cur + iosize - 1); + btrfs_set_range_writeback(inode, cur, cur + iosize - 1); if (!PageWriteback(page)) { btrfs_err(inode->root->fs_info, "page %lu not writeback, cur %llu end %llu",
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 119834aa3587..298088cdcecd 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c@@ -10188,17 +10188,21 @@ static int btrfs_tmpfile(struct user_namespace *mnt_userns, struct inode *dir, return ret; } -void btrfs_set_range_writeback(struct extent_io_tree *tree, u64 start, u64 end) +void btrfs_set_range_writeback(struct btrfs_inode *inode, u64 start, u64 end) { - struct inode *inode = tree->private_data; + struct btrfs_fs_info *fs_info = inode->root->fs_info; unsigned long index = start >> PAGE_SHIFT; unsigned long end_index = end >> PAGE_SHIFT; struct page *page; + u32 len; + ASSERT(end + 1 - start <= U32_MAX); + len = end + 1 - start; while (index <= end_index) { - page = find_get_page(inode->i_mapping, index); + page = find_get_page(inode->vfs_inode.i_mapping, index); ASSERT(page); /* Pages should be in the extent_io_tree */ - set_page_writeback(page); + + btrfs_page_set_writeback(fs_info, page, start, len); put_page(page); index++; }
--
2.31.1