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| author | Qu Wenruo <wqu@suse.com> | 2025-09-01 07:55:00 +0930 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2025-09-23 08:49:17 +0200 |
| commit | ea77a1c1c78942578a2f6995d60757c34fe50980 (patch) | |
| tree | 08ede81f23d6e44806b82ed2532eef15b09e6bd0 /fs/btrfs/disk-io.c | |
| parent | btrfs: introduce btrfs_bio_for_each_block_all() helper (diff) | |
| download | linux-ea77a1c1c78942578a2f6995d60757c34fe50980.tar.gz linux-ea77a1c1c78942578a2f6995d60757c34fe50980.zip | |
btrfs: cache max and min order inside btrfs_fs_info
Inside btrfs_fs_info we cache several bits shift like sectorsize_bits.
Apply this to max and min folio orders so that every time mapping order
needs to be applied we can skip the calculation.
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 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 7b06bbc40898..a2eba8bc4336 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3383,6 +3383,8 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device fs_info->nodesize_bits = ilog2(nodesize); fs_info->sectorsize = sectorsize; fs_info->sectorsize_bits = ilog2(sectorsize); + fs_info->block_min_order = ilog2(round_up(sectorsize, PAGE_SIZE) >> PAGE_SHIFT); + fs_info->block_max_order = ilog2((BITS_PER_LONG << fs_info->sectorsize_bits) >> PAGE_SHIFT); fs_info->csums_per_leaf = BTRFS_MAX_ITEM_SIZE(fs_info) / fs_info->csum_size; fs_info->stripesize = stripesize; fs_info->fs_devices->fs_info = fs_info; |