diff options
| -rw-r--r-- | fs/btrfs/backref.c | 8 | ||||
| -rw-r--r-- | fs/btrfs/ioctl.c | 10 | ||||
| -rw-r--r-- | fs/btrfs/ioctl.h | 11 | ||||
| -rw-r--r-- | fs/btrfs/scrub.c | 2 |
4 files changed, 15 insertions, 16 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 2351df0de450..8855aad3929c 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -676,14 +676,14 @@ static int inode_to_path(u64 inum, struct btrfs_inode_ref *iref, bytes_left = ipath->fspath->bytes_left > s_ptr ? ipath->fspath->bytes_left - s_ptr : 0; - fspath_min = (char *)ipath->fspath->str + (i + 1) * s_ptr; + fspath_min = (char *)ipath->fspath->val + (i + 1) * s_ptr; fspath = iref_to_path(ipath->fs_root, ipath->btrfs_path, iref, eb, inum, fspath_min, bytes_left); if (IS_ERR(fspath)) return PTR_ERR(fspath); if (fspath > fspath_min) { - ipath->fspath->str[i] = fspath; + ipath->fspath->val[i] = (u64)fspath; ++ipath->fspath->elem_cnt; ipath->fspath->bytes_left = fspath - fspath_min; } else { @@ -698,9 +698,9 @@ static int inode_to_path(u64 inum, struct btrfs_inode_ref *iref, /* * this dumps all file system paths to the inode into the ipath struct, provided * is has been created large enough. each path is zero-terminated and accessed - * from ipath->fspath->str[i]. + * from ipath->fspath->val[i]. * when it returns, there are ipath->fspath->elem_cnt number of paths available - * in ipath->fspath->str[]. when the allocated space wasn't sufficient, the + * in ipath->fspath->val[]. when the allocated space wasn't sufficient, the * number of missed paths in recored in ipath->fspath->elem_missed, otherwise, * it's zero. ipath->fspath->bytes_missing holds the number of bytes that would * have been needed to return all paths. diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index cc9893990341..4a34c472f126 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -2895,7 +2895,7 @@ static long btrfs_ioctl_ino_to_path(struct btrfs_root *root, void __user *arg) { int ret = 0; int i; - unsigned long rel_ptr; + u64 rel_ptr; int size; struct btrfs_ioctl_ino_path_args *ipa = NULL; struct inode_fs_paths *ipath = NULL; @@ -2930,11 +2930,11 @@ static long btrfs_ioctl_ino_to_path(struct btrfs_root *root, void __user *arg) goto out; for (i = 0; i < ipath->fspath->elem_cnt; ++i) { - rel_ptr = ipath->fspath->str[i] - (char *)ipath->fspath->str; - ipath->fspath->str[i] = (void *)rel_ptr; + rel_ptr = ipath->fspath->val[i] - (u64)ipath->fspath->val; + ipath->fspath->val[i] = rel_ptr; } - ret = copy_to_user(ipa->fspath, ipath->fspath, size); + ret = copy_to_user((void *)ipa->fspath, (void *)ipath->fspath, size); if (ret) { ret = -EFAULT; goto out; @@ -3017,7 +3017,7 @@ static long btrfs_ioctl_logical_to_ino(struct btrfs_root *root, if (ret < 0) goto out; - ret = copy_to_user(loi->inodes, inodes, size); + ret = copy_to_user((void *)loi->inodes, (void *)inodes, size); if (ret) ret = -EFAULT; diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h index 2da30d4950e6..252ae9915de8 100644 --- a/fs/btrfs/ioctl.h +++ b/fs/btrfs/ioctl.h @@ -198,24 +198,23 @@ struct btrfs_data_container { __u32 bytes_missing; /* out -- additional bytes needed for result */ __u32 elem_cnt; /* out */ __u32 elem_missed; /* out */ - union { - char *str[0]; /* out */ - __u64 val[0]; /* out */ - }; + __u64 val[0]; /* out */ }; struct btrfs_ioctl_ino_path_args { __u64 inum; /* in */ __u32 size; /* in */ __u64 reserved[4]; - struct btrfs_data_container *fspath; /* out */ + /* struct btrfs_data_container *fspath; out */ + __u64 fspath; /* out */ }; struct btrfs_ioctl_logical_ino_args { __u64 logical; /* in */ __u32 size; /* in */ __u64 reserved[4]; - struct btrfs_data_container *inodes; /* out */ + /* struct btrfs_data_container *inodes; out */ + __u64 inodes; }; #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 94cd3a19e9c8..562dad10dee9 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -272,7 +272,7 @@ static int scrub_print_warning_inode(u64 inum, u64 offset, u64 root, void *ctx) swarn->logical, swarn->dev->name, (unsigned long long)swarn->sector, root, inum, offset, min(isize - offset, (u64)PAGE_SIZE), nlink, - ipath->fspath->str[i]); + (char *)ipath->fspath->val[i]); free_ipath(ipath); return 0; |