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| author | David Sterba <dsterba@suse.com> | 2018-03-21 04:05:27 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-05-28 19:07:26 +0300 |
| commit | 008ef0969dd966ccb567d9c5c6e606f68119a380 (patch) | |
| tree | f35b6138a892cbcdd135bd9c10fad348bfb0d38a /fs/btrfs/ioctl.c | |
| parent | cf7d20f447147105b6c1a98aaf586d03f51bcc25 (diff) | |
| download | linux-008ef0969dd966ccb567d9c5c6e606f68119a380.tar.xz | |
btrfs: drop lock parameter from update_ioctl_balance_args and rename
The parameter controls locking of the stats part but we can lock it
unconditionally, as this only happens once when balance starts. This is
not performance critical.
Add the prefix for an exported function.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index ffb224b1c051..397f026b1e4c 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -4305,7 +4305,7 @@ out_loi: return ret; } -void update_ioctl_balance_args(struct btrfs_fs_info *fs_info, int lock, +void btrfs_update_ioctl_balance_args(struct btrfs_fs_info *fs_info, struct btrfs_ioctl_balance_args *bargs) { struct btrfs_balance_control *bctl = fs_info->balance_ctl; @@ -4323,13 +4323,9 @@ void update_ioctl_balance_args(struct btrfs_fs_info *fs_info, int lock, memcpy(&bargs->meta, &bctl->meta, sizeof(bargs->meta)); memcpy(&bargs->sys, &bctl->sys, sizeof(bargs->sys)); - if (lock) { - spin_lock(&fs_info->balance_lock); - memcpy(&bargs->stat, &bctl->stat, sizeof(bargs->stat)); - spin_unlock(&fs_info->balance_lock); - } else { - memcpy(&bargs->stat, &bctl->stat, sizeof(bargs->stat)); - } + spin_lock(&fs_info->balance_lock); + memcpy(&bargs->stat, &bctl->stat, sizeof(bargs->stat)); + spin_unlock(&fs_info->balance_lock); } static long btrfs_ioctl_balance(struct file *file, void __user *arg) @@ -4515,7 +4511,7 @@ static long btrfs_ioctl_balance_progress(struct btrfs_fs_info *fs_info, goto out; } - update_ioctl_balance_args(fs_info, 1, bargs); + btrfs_update_ioctl_balance_args(fs_info, bargs); if (copy_to_user(arg, bargs, sizeof(*bargs))) ret = -EFAULT; |