aboutsummaryrefslogtreecommitdiff
path: root/fs/btrfs/file-item.c
diff options
context:
space:
mode:
authorJosef Bacik2022-09-14 19:04:47 -0400
committerDavid Sterba2022-09-26 12:28:06 +0200
commit2b6433c7f620b61ba5fac52a63053f6c56483f80 (patch)
tree392cc5c7e79c9182f59c7bc33c3f4b2e8749a3a4 /fs/btrfs/file-item.c
parentd9d88fde56d388108c07e87630caeac59781dd3e (diff)
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.c11
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)