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| /linux-master/fs/btrfs/ | ||
| H A D | subpage.h | diff 6f17400b Mon May 31 02:50:45 MDT 2021 Qu Wenruo <wqu@suse.com> btrfs: introduce helpers for subpage ordered status This patch introduces the following functions to handle btrfs subpage ordered (Private2) status: - btrfs_subpage_set_ordered() - btrfs_subpage_clear_ordered() - btrfs_subpage_test_ordered() These helpers can only be called when the range is ensured to be inside the page. - btrfs_page_set_ordered() - btrfs_page_clear_ordered() - btrfs_page_test_ordered() These helpers can handle both regular sector size and subpage without problem. These functions are here to coordinate btrfs_invalidatepage() with btrfs_writepage_endio_finish_ordered(), to make sure only one of those functions can finish the ordered extent. Tested-by: Ritesh Harjani <riteshh@linux.ibm.com> # [ppc64] Tested-by: Anand Jain <anand.jain@oracle.com> # [aarch64] Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> diff 6f17400b Mon May 31 02:50:45 MDT 2021 Qu Wenruo <wqu@suse.com> btrfs: introduce helpers for subpage ordered status This patch introduces the following functions to handle btrfs subpage ordered (Private2) status: - btrfs_subpage_set_ordered() - btrfs_subpage_clear_ordered() - btrfs_subpage_test_ordered() These helpers can only be called when the range is ensured to be inside the page. - btrfs_page_set_ordered() - btrfs_page_clear_ordered() - btrfs_page_test_ordered() These helpers can handle both regular sector size and subpage without problem. These functions are here to coordinate btrfs_invalidatepage() with btrfs_writepage_endio_finish_ordered(), to make sure only one of those functions can finish the ordered extent. Tested-by: Ritesh Harjani <riteshh@linux.ibm.com> # [ppc64] Tested-by: Anand Jain <anand.jain@oracle.com> # [aarch64] Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> |
| H A D | subpage.c | diff 6f17400b Mon May 31 02:50:45 MDT 2021 Qu Wenruo <wqu@suse.com> btrfs: introduce helpers for subpage ordered status This patch introduces the following functions to handle btrfs subpage ordered (Private2) status: - btrfs_subpage_set_ordered() - btrfs_subpage_clear_ordered() - btrfs_subpage_test_ordered() These helpers can only be called when the range is ensured to be inside the page. - btrfs_page_set_ordered() - btrfs_page_clear_ordered() - btrfs_page_test_ordered() These helpers can handle both regular sector size and subpage without problem. These functions are here to coordinate btrfs_invalidatepage() with btrfs_writepage_endio_finish_ordered(), to make sure only one of those functions can finish the ordered extent. Tested-by: Ritesh Harjani <riteshh@linux.ibm.com> # [ppc64] Tested-by: Anand Jain <anand.jain@oracle.com> # [aarch64] Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> diff 6f17400b Mon May 31 02:50:45 MDT 2021 Qu Wenruo <wqu@suse.com> btrfs: introduce helpers for subpage ordered status This patch introduces the following functions to handle btrfs subpage ordered (Private2) status: - btrfs_subpage_set_ordered() - btrfs_subpage_clear_ordered() - btrfs_subpage_test_ordered() These helpers can only be called when the range is ensured to be inside the page. - btrfs_page_set_ordered() - btrfs_page_clear_ordered() - btrfs_page_test_ordered() These helpers can handle both regular sector size and subpage without problem. These functions are here to coordinate btrfs_invalidatepage() with btrfs_writepage_endio_finish_ordered(), to make sure only one of those functions can finish the ordered extent. Tested-by: Ritesh Harjani <riteshh@linux.ibm.com> # [ppc64] Tested-by: Anand Jain <anand.jain@oracle.com> # [aarch64] Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> |
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