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-rw-r--r--fs/nilfs2/ioctl.c11
-rw-r--r--include/linux/nilfs2_fs.h23
2 files changed, 19 insertions, 15 deletions
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 85a291ccc1b..7fbd9fe1d03 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -41,6 +41,7 @@ static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs,
void *, size_t, size_t))
{
void *buf;
+ void __user *base = (void __user *)(unsigned long)argv->v_base;
size_t maxmembs, total, n;
ssize_t nr;
int ret, i;
@@ -64,9 +65,8 @@ static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs,
n = (argv->v_nmembs - i < maxmembs) ?
argv->v_nmembs - i : maxmembs;
if ((dir & _IOC_WRITE) &&
- copy_from_user(buf,
- (void __user *)argv->v_base + argv->v_size * i,
- argv->v_size * n)) {
+ copy_from_user(buf, base + argv->v_size * i,
+ argv->v_size * n)) {
ret = -EFAULT;
break;
}
@@ -78,9 +78,8 @@ static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs,
break;
}
if ((dir & _IOC_READ) &&
- copy_to_user(
- (void __user *)argv->v_base + argv->v_size * i,
- buf, argv->v_size * nr)) {
+ copy_to_user(base + argv->v_size * i, buf,
+ argv->v_size * nr)) {
ret = -EFAULT;
break;
}
diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h
index b0a6b39eedb..8fb64ce285f 100644
--- a/include/linux/nilfs2_fs.h
+++ b/include/linux/nilfs2_fs.h
@@ -499,6 +499,7 @@ NILFS_CHECKPOINT_FNS(SKETCH, sketch)
/**
* struct nilfs_cpinfo - checkpoint information
* @ci_flags: flags
+ * @ci_pad: padding
* @ci_cno: checkpoint number
* @ci_create: creation timestamp
* @ci_nblk_inc: number of blocks incremented by this checkpoint
@@ -508,6 +509,7 @@ NILFS_CHECKPOINT_FNS(SKETCH, sketch)
*/
struct nilfs_cpinfo {
__u32 ci_flags;
+ __u32 ci_pad;
__u64 ci_cno;
__u64 ci_create;
__u64 ci_nblk_inc;
@@ -668,7 +670,8 @@ enum {
*/
struct nilfs_cpmode {
__u64 cm_cno;
- int cm_mode;
+ __u32 cm_mode;
+ __u32 cm_pad;
};
/**
@@ -676,15 +679,15 @@ struct nilfs_cpmode {
* @v_base:
* @v_nmembs:
* @v_size:
- * @v_index:
* @v_flags:
+ * @v_index:
*/
struct nilfs_argv {
- void *v_base;
- size_t v_nmembs; /* number of members */
- size_t v_size; /* size of members */
- int v_index;
- int v_flags;
+ __u64 v_base;
+ __u32 v_nmembs; /* number of members */
+ __u16 v_size; /* size of members */
+ __u16 v_flags;
+ __u64 v_index;
};
/**
@@ -721,8 +724,8 @@ struct nilfs_sustat {
__u64 ss_nsegs;
__u64 ss_ncleansegs;
__u64 ss_ndirtysegs;
- time_t ss_ctime;
- time_t ss_nongc_ctime;
+ __u64 ss_ctime;
+ __u64 ss_nongc_ctime;
};
/**
@@ -750,6 +753,7 @@ struct nilfs_vdesc {
__u64 vd_blocknr;
__u64 vd_offset;
__u32 vd_flags;
+ __u32 vd_pad;
};
/**
@@ -761,6 +765,7 @@ struct nilfs_bdesc {
__u64 bd_blocknr;
__u64 bd_offset;
__u32 bd_level;
+ __u32 bd_pad;
};
#define NILFS_IOCTL_IDENT 'n'