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authorQu Wenruo <wqu@suse.com>2021-05-31 11:50:42 +0300
committerDavid Sterba <dsterba@suse.com>2021-06-21 16:19:09 +0300
commite38992be1f6cf3ed88169347b7d92cec40cc44d3 (patch)
treed311334dbe29ce2a221692cef75f4ea0b08afea9 /fs/btrfs/extent_io.c
parentf02a85d2d551f1a34ac3a02b59d419767c97556b (diff)
downloadlinux-e38992be1f6cf3ed88169347b7d92cec40cc44d3.tar.xz
btrfs: make __process_pages_contig() to handle subpage dirty/error/writeback status
For __process_pages_contig() and process_one_page(), to handle subpage we only need to pass bytenr in and call subpage helpers to handle dirty/error/writeback status. Tested-by: Ritesh Harjani <riteshh@linux.ibm.com> # [ppc64] Tested-by: Anand Jain <anand.jain@oracle.com> # [aarch64] Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent_io.c')
-rw-r--r--fs/btrfs/extent_io.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 9edef629ace2..3ecd23c6b955 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1816,10 +1816,16 @@ out:
* Return -EGAIN if the we need to try again.
* (For PAGE_LOCK case but got dirty page or page not belong to mapping)
*/
-static int process_one_page(struct address_space *mapping,
+static int process_one_page(struct btrfs_fs_info *fs_info,
+ struct address_space *mapping,
struct page *page, struct page *locked_page,
- unsigned long page_ops)
+ unsigned long page_ops, u64 start, u64 end)
{
+ u32 len;
+
+ ASSERT(end + 1 - start != 0 && end + 1 - start < U32_MAX);
+ len = end + 1 - start;
+
if (page_ops & PAGE_SET_ORDERED)
SetPageOrdered(page);
@@ -1827,13 +1833,13 @@ static int process_one_page(struct address_space *mapping,
return 1;
if (page_ops & PAGE_SET_ERROR)
- SetPageError(page);
+ btrfs_page_clamp_set_error(fs_info, page, start, len);
if (page_ops & PAGE_START_WRITEBACK) {
- clear_page_dirty_for_io(page);
- set_page_writeback(page);
+ btrfs_page_clamp_clear_dirty(fs_info, page, start, len);
+ btrfs_page_clamp_set_writeback(fs_info, page, start, len);
}
if (page_ops & PAGE_END_WRITEBACK)
- end_page_writeback(page);
+ btrfs_page_clamp_clear_writeback(fs_info, page, start, len);
if (page_ops & PAGE_LOCK) {
lock_page(page);
if (!PageDirty(page) || page->mapping != mapping) {
@@ -1851,6 +1857,7 @@ static int __process_pages_contig(struct address_space *mapping,
u64 start, u64 end, unsigned long page_ops,
u64 *processed_end)
{
+ struct btrfs_fs_info *fs_info = btrfs_sb(mapping->host->i_sb);
pgoff_t start_index = start >> PAGE_SHIFT;
pgoff_t end_index = end >> PAGE_SHIFT;
pgoff_t index = start_index;
@@ -1887,8 +1894,9 @@ static int __process_pages_contig(struct address_space *mapping,
for (i = 0; i < found_pages; i++) {
int process_ret;
- process_ret = process_one_page(mapping, pages[i],
- locked_page, page_ops);
+ process_ret = process_one_page(fs_info, mapping,
+ pages[i], locked_page, page_ops,
+ start, end);
if (process_ret < 0) {
for (; i < found_pages; i++)
put_page(pages[i]);