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authorDavid Sterba <dsterba@suse.com>2020-07-01 21:19:09 +0200
committerDavid Sterba <dsterba@suse.com>2020-12-08 15:53:58 +0100
commit265fdfa6ce0a79df3b880bbf39d9a00a0435687f (patch)
treed17cb9236e996f9f149bde5ac146f11016239538 /fs/btrfs/super.c
parent098e63082b9bd26b61a57310385efc3e9f363dea (diff)
downloadlinux-265fdfa6ce0a79df3b880bbf39d9a00a0435687f.tar.bz2
btrfs: replace s_blocksize_bits with fs_info::sectorsize_bits
The value of super_block::s_blocksize_bits is the same as fs_info::sectorsize_bits, but we don't need to do the extra dereferences in many functions and storing the bits as u32 (in fs_info) generates shorter assembly. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/super.c')
-rw-r--r--fs/btrfs/super.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 9f51b0a22b14..bdb0b0c5fd64 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -2205,7 +2205,7 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
u64 total_used = 0;
u64 total_free_data = 0;
u64 total_free_meta = 0;
- int bits = dentry->d_sb->s_blocksize_bits;
+ u32 bits = fs_info->sectorsize_bits;
__be32 *fsid = (__be32 *)fs_info->fs_devices->fsid;
unsigned factor = 1;
struct btrfs_block_rsv *block_rsv = &fs_info->global_block_rsv;