Searched hist:d8a5713e (Results 1 – 2 of 2) sorted by relevance
| /openbmc/linux/fs/btrfs/ |
| H A D | subpage.h | d8a5713e Thu Mar 25 02:14:37 CDT 2021 Qu Wenruo <wqu@suse.com> btrfs: subpage: introduce helpers for dirty status
Introduce the following functions to handle subpage dirty status:
- btrfs_subpage_set_dirty()
- btrfs_subpage_clear_dirty()
- btrfs_subpage_test_dirty()
These helpers can only be called when the range is ensured to be
inside the page.
- btrfs_page_set_dirty()
- btrfs_page_clear_dirty()
- btrfs_page_test_dirty()
These helpers can handle both regular sector size and subpage without
problem.
Thus they would be used to replace PageDirty() related calls in
later patches.
There is one special point to note here, just like set_page_dirty() and
clear_page_dirty_for_io(), btrfs_*page_set_dirty() and
btrfs_*page_clear_dirty() must be called with page locked.
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 | d8a5713e Thu Mar 25 02:14:37 CDT 2021 Qu Wenruo <wqu@suse.com> btrfs: subpage: introduce helpers for dirty status
Introduce the following functions to handle subpage dirty status:
- btrfs_subpage_set_dirty()
- btrfs_subpage_clear_dirty()
- btrfs_subpage_test_dirty()
These helpers can only be called when the range is ensured to be
inside the page.
- btrfs_page_set_dirty()
- btrfs_page_clear_dirty()
- btrfs_page_test_dirty()
These helpers can handle both regular sector size and subpage without
problem.
Thus they would be used to replace PageDirty() related calls in
later patches.
There is one special point to note here, just like set_page_dirty() and
clear_page_dirty_for_io(), btrfs_*page_set_dirty() and
btrfs_*page_clear_dirty() must be called with page locked.
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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