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/openbmc/linux/fs/btrfs/ |
H A D | subpage.h | 3470da3b Thu Mar 25 02:14:38 CDT 2021 Qu Wenruo <wqu@suse.com> btrfs: subpage: introduce helpers for writeback status
Introduces the following functions to handle subpage writeback status:
- btrfs_subpage_set_writeback() - btrfs_subpage_clear_writeback() - btrfs_subpage_test_writeback() These helpers can only be called when the range is ensured to be inside the page.
- btrfs_page_set_writeback() - btrfs_page_clear_writeback() - btrfs_page_test_writeback() These helpers can handle both regular sector size and subpage without problem.
Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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H A D | subpage.c | 3470da3b Thu Mar 25 02:14:38 CDT 2021 Qu Wenruo <wqu@suse.com> btrfs: subpage: introduce helpers for writeback status
Introduces the following functions to handle subpage writeback status:
- btrfs_subpage_set_writeback() - btrfs_subpage_clear_writeback() - btrfs_subpage_test_writeback() These helpers can only be called when the range is ensured to be inside the page.
- btrfs_page_set_writeback() - btrfs_page_clear_writeback() - btrfs_page_test_writeback() These helpers can handle both regular sector size and subpage without problem.
Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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