diff options
Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r-- | fs/btrfs/ioctl.c | 108 |
1 files changed, 51 insertions, 57 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index d00e4d3c1baf..256af12d0ff0 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -411,7 +411,7 @@ static noinline int btrfs_ioctl_fitrim(struct file *file, void __user *arg) range.len = min(range.len, total_bytes - range.start); range.minlen = max(range.minlen, minlen); - ret = btrfs_trim_fs(fs_info->tree_root, &range); + ret = btrfs_trim_fs(fs_info, &range); if (ret < 0) return ret; @@ -487,7 +487,7 @@ static noinline int create_subvol(struct inode *dir, trans = btrfs_start_transaction(root, 0); if (IS_ERR(trans)) { ret = PTR_ERR(trans); - btrfs_subvolume_release_metadata(root, &block_rsv, + btrfs_subvolume_release_metadata(fs_info, &block_rsv, qgroup_reserved); goto fail_free; } @@ -613,7 +613,7 @@ fail: kfree(root_item); trans->block_rsv = NULL; trans->bytes_reserved = 0; - btrfs_subvolume_release_metadata(root, &block_rsv, qgroup_reserved); + btrfs_subvolume_release_metadata(fs_info, &block_rsv, qgroup_reserved); if (async_transid) { *async_transid = trans->transid; @@ -755,7 +755,7 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir, d_instantiate(dentry, inode); ret = 0; fail: - btrfs_subvolume_release_metadata(BTRFS_I(dir)->root, + btrfs_subvolume_release_metadata(fs_info, &pending_snapshot->block_rsv, pending_snapshot->qgroup_reserved); dec_and_free: @@ -2557,7 +2557,7 @@ out_end_trans: err = ret; inode->i_flags |= S_DEAD; out_release: - btrfs_subvolume_release_metadata(root, &block_rsv, qgroup_reserved); + btrfs_subvolume_release_metadata(fs_info, &block_rsv, qgroup_reserved); out_up_write: up_write(&fs_info->subvol_sem); if (err) { @@ -2661,9 +2661,8 @@ out: return ret; } -static long btrfs_ioctl_add_dev(struct btrfs_root *root, void __user *arg) +static long btrfs_ioctl_add_dev(struct btrfs_fs_info *fs_info, void __user *arg) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_ioctl_vol_args *vol_args; int ret; @@ -2681,7 +2680,7 @@ static long btrfs_ioctl_add_dev(struct btrfs_root *root, void __user *arg) } vol_args->name[BTRFS_PATH_NAME_MAX] = '\0'; - ret = btrfs_init_new_device(root->fs_info, vol_args->name); + ret = btrfs_init_new_device(fs_info, vol_args->name); if (!ret) btrfs_info(fs_info, "disk added %s", vol_args->name); @@ -2697,7 +2696,6 @@ static long btrfs_ioctl_rm_dev_v2(struct file *file, void __user *arg) { struct inode *inode = file_inode(file); struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_ioctl_vol_args_v2 *vol_args; int ret; @@ -2725,10 +2723,10 @@ static long btrfs_ioctl_rm_dev_v2(struct file *file, void __user *arg) mutex_lock(&fs_info->volume_mutex); if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID) { - ret = btrfs_rm_device(root, NULL, vol_args->devid); + ret = btrfs_rm_device(fs_info, NULL, vol_args->devid); } else { vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0'; - ret = btrfs_rm_device(root, vol_args->name, 0); + ret = btrfs_rm_device(fs_info, vol_args->name, 0); } mutex_unlock(&fs_info->volume_mutex); atomic_set(&fs_info->mutually_exclusive_operation_running, 0); @@ -2752,7 +2750,6 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg) { struct inode *inode = file_inode(file); struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_ioctl_vol_args *vol_args; int ret; @@ -2776,7 +2773,7 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg) vol_args->name[BTRFS_PATH_NAME_MAX] = '\0'; mutex_lock(&fs_info->volume_mutex); - ret = btrfs_rm_device(root, vol_args->name, 0); + ret = btrfs_rm_device(fs_info, vol_args->name, 0); mutex_unlock(&fs_info->volume_mutex); if (!ret) @@ -2790,9 +2787,9 @@ out_drop_write: return ret; } -static long btrfs_ioctl_fs_info(struct btrfs_root *root, void __user *arg) +static long btrfs_ioctl_fs_info(struct btrfs_fs_info *fs_info, + void __user *arg) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_ioctl_fs_info_args *fi_args; struct btrfs_device *device; struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; @@ -2823,9 +2820,9 @@ static long btrfs_ioctl_fs_info(struct btrfs_root *root, void __user *arg) return ret; } -static long btrfs_ioctl_dev_info(struct btrfs_root *root, void __user *arg) +static long btrfs_ioctl_dev_info(struct btrfs_fs_info *fs_info, + void __user *arg) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_ioctl_dev_info_args *di_args; struct btrfs_device *dev; struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; @@ -3750,7 +3747,8 @@ process_slot: if (disko) { inode_add_bytes(inode, datal); - ret = btrfs_inc_extent_ref(trans, root, + ret = btrfs_inc_extent_ref(trans, + fs_info, disko, diskl, 0, root->root_key.objectid, btrfs_ino(inode), @@ -4151,9 +4149,9 @@ void btrfs_get_block_group_info(struct list_head *groups_list, } } -static long btrfs_ioctl_space_info(struct btrfs_root *root, void __user *arg) +static long btrfs_ioctl_space_info(struct btrfs_fs_info *fs_info, + void __user *arg) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_ioctl_space_args space_args; struct btrfs_ioctl_space_info space; struct btrfs_ioctl_space_info *dest; @@ -4346,7 +4344,7 @@ out: return 0; } -static noinline long btrfs_ioctl_wait_sync(struct btrfs_root *root, +static noinline long btrfs_ioctl_wait_sync(struct btrfs_fs_info *fs_info, void __user *argp) { u64 transid; @@ -4357,7 +4355,7 @@ static noinline long btrfs_ioctl_wait_sync(struct btrfs_root *root, } else { transid = 0; /* current trans */ } - return btrfs_wait_for_commit(root, transid); + return btrfs_wait_for_commit(fs_info, transid); } static long btrfs_ioctl_scrub(struct file *file, void __user *arg) @@ -4393,15 +4391,15 @@ out: return ret; } -static long btrfs_ioctl_scrub_cancel(struct btrfs_root *root, void __user *arg) +static long btrfs_ioctl_scrub_cancel(struct btrfs_fs_info *fs_info) { if (!capable(CAP_SYS_ADMIN)) return -EPERM; - return btrfs_scrub_cancel(root->fs_info); + return btrfs_scrub_cancel(fs_info); } -static long btrfs_ioctl_scrub_progress(struct btrfs_root *root, +static long btrfs_ioctl_scrub_progress(struct btrfs_fs_info *fs_info, void __user *arg) { struct btrfs_ioctl_scrub_args *sa; @@ -4414,7 +4412,7 @@ static long btrfs_ioctl_scrub_progress(struct btrfs_root *root, if (IS_ERR(sa)) return PTR_ERR(sa); - ret = btrfs_scrub_progress(root, sa->devid, &sa->progress); + ret = btrfs_scrub_progress(fs_info, sa->devid, &sa->progress); if (copy_to_user(arg, sa, sizeof(*sa))) ret = -EFAULT; @@ -4423,7 +4421,7 @@ static long btrfs_ioctl_scrub_progress(struct btrfs_root *root, return ret; } -static long btrfs_ioctl_get_dev_stats(struct btrfs_root *root, +static long btrfs_ioctl_get_dev_stats(struct btrfs_fs_info *fs_info, void __user *arg) { struct btrfs_ioctl_get_dev_stats *sa; @@ -4438,7 +4436,7 @@ static long btrfs_ioctl_get_dev_stats(struct btrfs_root *root, return -EPERM; } - ret = btrfs_get_dev_stats(root, sa); + ret = btrfs_get_dev_stats(fs_info, sa); if (copy_to_user(arg, sa, sizeof(*sa))) ret = -EFAULT; @@ -4447,9 +4445,9 @@ static long btrfs_ioctl_get_dev_stats(struct btrfs_root *root, return ret; } -static long btrfs_ioctl_dev_replace(struct btrfs_root *root, void __user *arg) +static long btrfs_ioctl_dev_replace(struct btrfs_fs_info *fs_info, + void __user *arg) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_ioctl_dev_replace_args *p; int ret; @@ -4470,7 +4468,7 @@ static long btrfs_ioctl_dev_replace(struct btrfs_root *root, void __user *arg) &fs_info->mutually_exclusive_operation_running, 1)) { ret = BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS; } else { - ret = btrfs_dev_replace_by_ioctl(root, p); + ret = btrfs_dev_replace_by_ioctl(fs_info, p); atomic_set( &fs_info->mutually_exclusive_operation_running, 0); } @@ -4573,7 +4571,7 @@ static int build_ino_list(u64 inum, u64 offset, u64 root, void *ctx) return 0; } -static long btrfs_ioctl_logical_to_ino(struct btrfs_root *root, +static long btrfs_ioctl_logical_to_ino(struct btrfs_fs_info *fs_info, void __user *arg) { int ret = 0; @@ -4603,7 +4601,7 @@ static long btrfs_ioctl_logical_to_ino(struct btrfs_root *root, goto out; } - ret = iterate_inodes_from_logical(loi->logical, root->fs_info, path, + ret = iterate_inodes_from_logical(loi->logical, fs_info, path, build_ino_list, inodes); if (ret == -EINVAL) ret = -ENOENT; @@ -4799,10 +4797,8 @@ out: return ret; } -static long btrfs_ioctl_balance_ctl(struct btrfs_root *root, int cmd) +static long btrfs_ioctl_balance_ctl(struct btrfs_fs_info *fs_info, int cmd) { - struct btrfs_fs_info *fs_info = root->fs_info; - if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -4816,10 +4812,9 @@ static long btrfs_ioctl_balance_ctl(struct btrfs_root *root, int cmd) return -EINVAL; } -static long btrfs_ioctl_balance_progress(struct btrfs_root *root, +static long btrfs_ioctl_balance_progress(struct btrfs_fs_info *fs_info, void __user *arg) { - struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_ioctl_balance_args *bargs; int ret = 0; @@ -5395,12 +5390,11 @@ static int btrfs_ioctl_get_features(struct file *file, void __user *arg) return 0; } -static int check_feature_bits(struct btrfs_root *root, +static int check_feature_bits(struct btrfs_fs_info *fs_info, enum btrfs_feature_set set, u64 change_mask, u64 flags, u64 supported_flags, u64 safe_set, u64 safe_clear) { - struct btrfs_fs_info *fs_info = root->fs_info; const char *type = btrfs_feature_set_names[set]; char *names; u64 disallowed, unsupported; @@ -5455,8 +5449,8 @@ static int check_feature_bits(struct btrfs_root *root, return 0; } -#define check_feature(root, change_mask, flags, mask_base) \ -check_feature_bits(root, FEAT_##mask_base, change_mask, flags, \ +#define check_feature(fs_info, change_mask, flags, mask_base) \ +check_feature_bits(fs_info, FEAT_##mask_base, change_mask, flags, \ BTRFS_FEATURE_ ## mask_base ## _SUPP, \ BTRFS_FEATURE_ ## mask_base ## _SAFE_SET, \ BTRFS_FEATURE_ ## mask_base ## _SAFE_CLEAR) @@ -5483,17 +5477,17 @@ static int btrfs_ioctl_set_features(struct file *file, void __user *arg) !flags[0].incompat_flags) return 0; - ret = check_feature(root, flags[0].compat_flags, + ret = check_feature(fs_info, flags[0].compat_flags, flags[1].compat_flags, COMPAT); if (ret) return ret; - ret = check_feature(root, flags[0].compat_ro_flags, + ret = check_feature(fs_info, flags[0].compat_ro_flags, flags[1].compat_ro_flags, COMPAT_RO); if (ret) return ret; - ret = check_feature(root, flags[0].incompat_flags, + ret = check_feature(fs_info, flags[0].incompat_flags, flags[1].incompat_flags, INCOMPAT); if (ret) return ret; @@ -5572,15 +5566,15 @@ long btrfs_ioctl(struct file *file, unsigned int case BTRFS_IOC_RESIZE: return btrfs_ioctl_resize(file, argp); case BTRFS_IOC_ADD_DEV: - return btrfs_ioctl_add_dev(root, argp); + return btrfs_ioctl_add_dev(fs_info, argp); case BTRFS_IOC_RM_DEV: return btrfs_ioctl_rm_dev(file, argp); case BTRFS_IOC_RM_DEV_V2: return btrfs_ioctl_rm_dev_v2(file, argp); case BTRFS_IOC_FS_INFO: - return btrfs_ioctl_fs_info(root, argp); + return btrfs_ioctl_fs_info(fs_info, argp); case BTRFS_IOC_DEV_INFO: - return btrfs_ioctl_dev_info(root, argp); + return btrfs_ioctl_dev_info(fs_info, argp); case BTRFS_IOC_BALANCE: return btrfs_ioctl_balance(file, NULL); case BTRFS_IOC_TRANS_START: @@ -5596,9 +5590,9 @@ long btrfs_ioctl(struct file *file, unsigned int case BTRFS_IOC_INO_PATHS: return btrfs_ioctl_ino_to_path(root, argp); case BTRFS_IOC_LOGICAL_INO: - return btrfs_ioctl_logical_to_ino(root, argp); + return btrfs_ioctl_logical_to_ino(fs_info, argp); case BTRFS_IOC_SPACE_INFO: - return btrfs_ioctl_space_info(root, argp); + return btrfs_ioctl_space_info(fs_info, argp); case BTRFS_IOC_SYNC: { int ret; @@ -5617,19 +5611,19 @@ long btrfs_ioctl(struct file *file, unsigned int case BTRFS_IOC_START_SYNC: return btrfs_ioctl_start_sync(root, argp); case BTRFS_IOC_WAIT_SYNC: - return btrfs_ioctl_wait_sync(root, argp); + return btrfs_ioctl_wait_sync(fs_info, argp); case BTRFS_IOC_SCRUB: return btrfs_ioctl_scrub(file, argp); case BTRFS_IOC_SCRUB_CANCEL: - return btrfs_ioctl_scrub_cancel(root, argp); + return btrfs_ioctl_scrub_cancel(fs_info); case BTRFS_IOC_SCRUB_PROGRESS: - return btrfs_ioctl_scrub_progress(root, argp); + return btrfs_ioctl_scrub_progress(fs_info, argp); case BTRFS_IOC_BALANCE_V2: return btrfs_ioctl_balance(file, argp); case BTRFS_IOC_BALANCE_CTL: - return btrfs_ioctl_balance_ctl(root, arg); + return btrfs_ioctl_balance_ctl(fs_info, arg); case BTRFS_IOC_BALANCE_PROGRESS: - return btrfs_ioctl_balance_progress(root, argp); + return btrfs_ioctl_balance_progress(fs_info, argp); case BTRFS_IOC_SET_RECEIVED_SUBVOL: return btrfs_ioctl_set_received_subvol(file, argp); #ifdef CONFIG_64BIT @@ -5639,7 +5633,7 @@ long btrfs_ioctl(struct file *file, unsigned int case BTRFS_IOC_SEND: return btrfs_ioctl_send(file, argp); case BTRFS_IOC_GET_DEV_STATS: - return btrfs_ioctl_get_dev_stats(root, argp); + return btrfs_ioctl_get_dev_stats(fs_info, argp); case BTRFS_IOC_QUOTA_CTL: return btrfs_ioctl_quota_ctl(file, argp); case BTRFS_IOC_QGROUP_ASSIGN: @@ -5655,7 +5649,7 @@ long btrfs_ioctl(struct file *file, unsigned int case BTRFS_IOC_QUOTA_RESCAN_WAIT: return btrfs_ioctl_quota_rescan_wait(file, argp); case BTRFS_IOC_DEV_REPLACE: - return btrfs_ioctl_dev_replace(root, argp); + return btrfs_ioctl_dev_replace(fs_info, argp); case BTRFS_IOC_GET_FSLABEL: return btrfs_ioctl_get_fslabel(file, argp); case BTRFS_IOC_SET_FSLABEL: |