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author | Jens Axboe <jens.axboe@oracle.com> | 2010-02-22 13:48:51 +0100 |
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committer | Jens Axboe <jens.axboe@oracle.com> | 2010-02-22 13:48:51 +0100 |
commit | f11cbd74c5ff3614f6390b4de67a6ffdc614c378 (patch) | |
tree | 6a30920ade9eeaac5bf6d6263b5d09712e882eb0 /fs/ocfs2/ioctl.c | |
parent | 429c42c9d246f5bda868495c09974312a0177328 (diff) | |
parent | aea187c46f7d03ce985e55eb1398d0776a15b928 (diff) | |
download | kernel_samsung_smdk4412-f11cbd74c5ff3614f6390b4de67a6ffdc614c378.zip kernel_samsung_smdk4412-f11cbd74c5ff3614f6390b4de67a6ffdc614c378.tar.gz kernel_samsung_smdk4412-f11cbd74c5ff3614f6390b4de67a6ffdc614c378.tar.bz2 |
Merge branch 'master' into for-2.6.34
Diffstat (limited to 'fs/ocfs2/ioctl.c')
-rw-r--r-- | fs/ocfs2/ioctl.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c index 31fbb06..7d9d9c1 100644 --- a/fs/ocfs2/ioctl.c +++ b/fs/ocfs2/ioctl.c @@ -7,6 +7,7 @@ #include <linux/fs.h> #include <linux/mount.h> +#include <linux/compat.h> #define MLOG_MASK_PREFIX ML_INODE #include <cluster/masklog.h> @@ -181,6 +182,10 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) #ifdef CONFIG_COMPAT long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg) { + bool preserve; + struct reflink_arguments args; + struct inode *inode = file->f_path.dentry->d_inode; + switch (cmd) { case OCFS2_IOC32_GETFLAGS: cmd = OCFS2_IOC_GETFLAGS; @@ -195,8 +200,15 @@ long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg) case OCFS2_IOC_GROUP_EXTEND: case OCFS2_IOC_GROUP_ADD: case OCFS2_IOC_GROUP_ADD64: - case OCFS2_IOC_REFLINK: break; + case OCFS2_IOC_REFLINK: + if (copy_from_user(&args, (struct reflink_arguments *)arg, + sizeof(args))) + return -EFAULT; + preserve = (args.preserve != 0); + + return ocfs2_reflink_ioctl(inode, compat_ptr(args.old_path), + compat_ptr(args.new_path), preserve); default: return -ENOIOCTLCMD; } |