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BKL-removal: Implement a compat_ioctl handler for JFS 

The ioctls were already compatible except for the actual values so this
was fairly easy to do.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
This commit is contained in:
Andi Kleen 2008-01-27 17:02:02 -06:00 committed by Dave Kleikamp
parent baab81fa51
commit ef1fc2f01e
5 changed files with 27 additions and 0 deletions
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3
fs/jfs/file.c
View File

@ -113,4 +113,7 @@ const struct file_operations jfs_file_operations = {
.fsync = jfs_fsync,
.release = jfs_release,
.unlocked_ioctl = jfs_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = jfs_compat_ioctl,
#endif
};

18
fs/jfs/ioctl.c
View File

@ -117,3 +117,21 @@ long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
}
}
#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

2
fs/jfs/jfs_dinode.h
View File

@ -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 */

1
fs/jfs/jfs_inode.h
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@ -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 struct inode *jfs_iget(struct super_block *, unsigned long);
extern int jfs_commit_inode(struct inode *, int);
extern int jfs_write_inode(struct inode*, int);

3
fs/jfs/namei.c
View File

@ -1557,6 +1557,9 @@ const struct file_operations jfs_dir_operations = {
.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)