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| author | Josef Bacik <josef@toxicpanda.com> | 2022-09-15 02:04:47 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-09-26 13:28:06 +0300 |
| commit | 2b6433c7f620b61ba5fac52a63053f6c56483f80 (patch) | |
| tree | 392cc5c7e79c9182f59c7bc33c3f4b2e8749a3a4 /fs/btrfs/file-item.c | |
| parent | d9d88fde56d388108c07e87630caeac59781dd3e (diff) | |
| download | linux-2b6433c7f620b61ba5fac52a63053f6c56483f80.tar.xz | |
btrfs: move btrfs_ordered_sum_size into file-item.c
This is defined in ordered-data.h, but is only used in file-item.c.
Move this to file-item.c as it doesn't need to be global.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/file-item.c')
| -rw-r--r-- | fs/btrfs/file-item.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 45949261c699..e2055a174c0d 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -129,6 +129,17 @@ static inline u32 max_ordered_sum_bytes(struct btrfs_fs_info *fs_info, return ncsums * fs_info->sectorsize; } +/* + * Calculate the total size needed to allocate for an ordered sum structure + * spanning @bytes in the file. + */ +static int btrfs_ordered_sum_size(struct btrfs_fs_info *fs_info, unsigned long bytes) +{ + int num_sectors = (int)DIV_ROUND_UP(bytes, fs_info->sectorsize); + + return sizeof(struct btrfs_ordered_sum) + num_sectors * fs_info->csum_size; +} + int btrfs_insert_hole_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 objectid, u64 pos, u64 num_bytes) |