The ioctls were already compatible except for the actual values so this
was fairly easy to do.
Cc: shaggy@xxxxxxxxxxxxxx
Signed-off-by: Andi Kleen <ak@xxxxxxx>
---
fs/jfs/file.c | 3 +++
fs/jfs/ioctl.c | 18 ++++++++++++++++++
fs/jfs/jfs_dinode.h | 2 ++
fs/jfs/jfs_inode.h | 1 +
fs/jfs/namei.c | 3 +++
5 files changed, 27 insertions(+)
Index: linux/fs/jfs/file.c
===================================================================
--- linux.orig/fs/jfs/file.c
+++ linux/fs/jfs/file.c
@@ -113,4 +113,7 @@ const struct file_operations jfs_file_op
.fsync = jfs_fsync,
.release = jfs_release,
.unlocked_ioctl = jfs_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = jfs_compat_ioctl,
+#endif
};
Index: linux/fs/jfs/ioctl.c
===================================================================
--- linux.orig/fs/jfs/ioctl.c
+++ linux/fs/jfs/ioctl.c
@@ -117,3 +117,21 @@ long jfs_ioctl(struct file *filp, unsign
}
}
+#ifdef CONFIG_COMPAT
+long jfs_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+ /* While these ioctl numbers defined with 'long' and have different
+ * numbers than the 64bit ABI,
+ * the actual implementation only deals with ints and is compatible.
+ */
+ switch (cmd) {
+ case JFS_IOC_GETFLAGS32:
+ cmd = JFS_IOC_GETFLAGS;
+ break;
+ case JFS_IOC_SETFLAGS32:
+ cmd = JFS_IOC_SETFLAGS;
+ break;
+ }
+ return jfs_ioctl(filp, cmd, arg);
+}
+#endif
Index: linux/fs/jfs/jfs_inode.h
===================================================================
--- linux.orig/fs/jfs/jfs_inode.h
+++ linux/fs/jfs/jfs_inode.h
@@ -23,6 +23,7 @@ struct fid;
extern struct inode *ialloc(struct inode *, umode_t);
extern int jfs_fsync(struct file *, struct dentry *, int);
extern long jfs_ioctl(struct file *, unsigned int, unsigned long);
+extern long jfs_compat_ioctl(struct file *, unsigned int, unsigned long);
extern void jfs_read_inode(struct inode *);
extern int jfs_commit_inode(struct inode *, int);
extern int jfs_write_inode(struct inode*, int);
Index: linux/fs/jfs/namei.c
===================================================================
--- linux.orig/fs/jfs/namei.c
+++ linux/fs/jfs/namei.c
@@ -1563,6 +1563,9 @@ const struct file_operations jfs_dir_ope
.readdir = jfs_readdir,
.fsync = jfs_fsync,
.unlocked_ioctl = jfs_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = jfs_compat_ioctl,
+#endif
};
static int jfs_ci_hash(struct dentry *dir, struct qstr *this)
Index: linux/fs/jfs/jfs_dinode.h
===================================================================
--- linux.orig/fs/jfs/jfs_dinode.h
+++ linux/fs/jfs/jfs_dinode.h
@@ -170,5 +170,7 @@ struct dinode {
#define JFS_IOC_GETFLAGS _IOR('f', 1, long)
#define JFS_IOC_SETFLAGS _IOW('f', 2, long)
+#define JFS_IOC_GETFLAGS32 _IOR('f', 1, int)
+#define JFS_IOC_SETFLAGS32 _IOW('f', 2, int)
#endif /*_H_JFS_DINODE */
-
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