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H A Dsubpage.hcac06d843f259ebc4d03e4bc8af7304c17f76ee5 Tue Jan 26 09:33:47 CET 2021 Qu Wenruo <wqu@suse.com> btrfs: introduce the skeleton of btrfs_subpage structure

For sectorsize < page size support, we need a structure to record extra
status info for each sector of a page.

Introduce the skeleton structure, all subpage related code would go to
subpage.[ch].

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
H A Dsubpage.ccac06d843f259ebc4d03e4bc8af7304c17f76ee5 Tue Jan 26 09:33:47 CET 2021 Qu Wenruo <wqu@suse.com> btrfs: introduce the skeleton of btrfs_subpage structure

For sectorsize < page size support, we need a structure to record extra
status info for each sector of a page.

Introduce the skeleton structure, all subpage related code would go to
subpage.[ch].

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
H A DMakefilediff cac06d843f259ebc4d03e4bc8af7304c17f76ee5 Tue Jan 26 09:33:47 CET 2021 Qu Wenruo <wqu@suse.com> btrfs: introduce the skeleton of btrfs_subpage structure

For sectorsize < page size support, we need a structure to record extra
status info for each sector of a page.

Introduce the skeleton structure, all subpage related code would go to
subpage.[ch].

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
H A Dsuper.cdiff cac06d843f259ebc4d03e4bc8af7304c17f76ee5 Tue Jan 26 09:33:47 CET 2021 Qu Wenruo <wqu@suse.com> btrfs: introduce the skeleton of btrfs_subpage structure

For sectorsize < page size support, we need a structure to record extra
status info for each sector of a page.

Introduce the skeleton structure, all subpage related code would go to
subpage.[ch].

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>