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| author | Qu Wenruo <wqu@suse.com> | 2022-04-01 19:23:21 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-05-16 17:03:15 +0200 |
| commit | 3e77605d6a81efd39278a5ca2ee57737eb2659d2 (patch) | |
| tree | 6d7d27ac81e1422ac9741ad0cf88538b26082e31 /tools/perf/scripts/python/flamegraph.py | |
| parent | btrfs: raid56: introduce btrfs_raid_bio::bio_sectors (diff) | |
| download | linux-3e77605d6a81efd39278a5ca2ee57737eb2659d2.tar.gz linux-3e77605d6a81efd39278a5ca2ee57737eb2659d2.zip | |
btrfs: raid56: make rbio_add_io_page() subpage compatible
Make rbio_add_io_page() subpage compatible, which involves:
- Rename rbio_add_io_page() to rbio_add_io_sector()
Although we still rely on PAGE_SIZE == sectorsize, so add a new
ASSERT() inside rbio_add_io_sector() to make sure all pgoff is 0.
- Introduce rbio_stripe_sector() helper
The equivalent of rbio_stripe_page().
This new helper has extra ASSERT()s to validate the stripe and sector
number.
- Introduce sector_in_rbio() helper
The equivalent of page_in_rbio().
- Rename @pagenr variables to @sectornr
- Use rbio::stripe_nsectors when iterating the bitmap
Please note that, this only changes the interface, the bios are still
using full page for IO.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'tools/perf/scripts/python/flamegraph.py')
0 files changed, 0 insertions, 0 deletions