#include <linux/fs.h>
#include <linux/mount.h>
+#include <linux/compat.h>
#define MLOG_MASK_PREFIX ML_INODE
#include <cluster/masklog.h>
#include "ocfs2.h"
#include "alloc.h"
#include "dlmglue.h"
+#include "file.h"
#include "inode.h"
#include "journal.h"
#include "ocfs2_fs.h"
#include "ioctl.h"
+#include "resize.h"
+#include "refcounttree.h"
#include <linux/ext2_fs.h>
{
int status;
- status = ocfs2_meta_lock(inode, NULL, NULL, 0);
+ status = ocfs2_inode_lock(inode, NULL, 0);
if (status < 0) {
mlog_errno(status);
return status;
}
+ ocfs2_get_inode_flags(OCFS2_I(inode));
*flags = OCFS2_I(inode)->ip_attr;
- ocfs2_meta_unlock(inode, 0);
+ ocfs2_inode_unlock(inode, 0);
mlog_exit(status);
return status;
{
struct ocfs2_inode_info *ocfs2_inode = OCFS2_I(inode);
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
- struct ocfs2_journal_handle *handle = NULL;
+ handle_t *handle = NULL;
struct buffer_head *bh = NULL;
unsigned oldflags;
int status;
mutex_lock(&inode->i_mutex);
- status = ocfs2_meta_lock(inode, NULL, &bh, 1);
+ status = ocfs2_inode_lock(inode, &bh, 1);
if (status < 0) {
mlog_errno(status);
goto bail;
}
- status = -EROFS;
- if (IS_RDONLY(inode))
- goto bail_unlock;
-
status = -EACCES;
- if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER))
+ if (!is_owner_or_cap(inode))
goto bail_unlock;
if (!S_ISDIR(inode->i_mode))
flags &= ~OCFS2_DIRSYNC_FL;
- handle = ocfs2_start_trans(osb, NULL, OCFS2_INODE_UPDATE_CREDITS);
+ handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
if (status < 0)
mlog_errno(status);
- ocfs2_commit_trans(handle);
+ ocfs2_commit_trans(osb, handle);
bail_unlock:
- ocfs2_meta_unlock(inode, 1);
+ ocfs2_inode_unlock(inode, 1);
bail:
mutex_unlock(&inode->i_mutex);
- if (bh)
- brelse(bh);
+ brelse(bh);
mlog_exit(status);
return status;
}
-int ocfs2_ioctl(struct inode * inode, struct file * filp,
- unsigned int cmd, unsigned long arg)
+long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
+ struct inode *inode = filp->f_path.dentry->d_inode;
unsigned int flags;
+ int new_clusters;
int status;
+ struct ocfs2_space_resv sr;
+ struct ocfs2_new_group_input input;
+ struct reflink_arguments args;
+ const char *old_path, *new_path;
+ bool preserve;
switch (cmd) {
case OCFS2_IOC_GETFLAGS:
if (get_user(flags, (int __user *) arg))
return -EFAULT;
- return ocfs2_set_inode_attr(inode, flags,
+ status = mnt_want_write(filp->f_path.mnt);
+ if (status)
+ return status;
+ status = ocfs2_set_inode_attr(inode, flags,
OCFS2_FL_MODIFIABLE);
+ mnt_drop_write(filp->f_path.mnt);
+ return status;
+ case OCFS2_IOC_RESVSP:
+ case OCFS2_IOC_RESVSP64:
+ case OCFS2_IOC_UNRESVSP:
+ case OCFS2_IOC_UNRESVSP64:
+ if (copy_from_user(&sr, (int __user *) arg, sizeof(sr)))
+ return -EFAULT;
+
+ return ocfs2_change_file_space(filp, cmd, &sr);
+ case OCFS2_IOC_GROUP_EXTEND:
+ if (!capable(CAP_SYS_RESOURCE))
+ return -EPERM;
+
+ if (get_user(new_clusters, (int __user *)arg))
+ return -EFAULT;
+
+ return ocfs2_group_extend(inode, new_clusters);
+ case OCFS2_IOC_GROUP_ADD:
+ case OCFS2_IOC_GROUP_ADD64:
+ if (!capable(CAP_SYS_RESOURCE))
+ return -EPERM;
+
+ if (copy_from_user(&input, (int __user *) arg, sizeof(input)))
+ return -EFAULT;
+
+ return ocfs2_group_add(inode, &input);
+ case OCFS2_IOC_REFLINK:
+ if (copy_from_user(&args, (struct reflink_arguments *)arg,
+ sizeof(args)))
+ return -EFAULT;
+ old_path = (const char *)(unsigned long)args.old_path;
+ new_path = (const char *)(unsigned long)args.new_path;
+ preserve = (args.preserve != 0);
+
+ return ocfs2_reflink_ioctl(inode, old_path, new_path, preserve);
default:
return -ENOTTY;
}
}
+#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;
+ break;
+ case OCFS2_IOC32_SETFLAGS:
+ cmd = OCFS2_IOC_SETFLAGS;
+ break;
+ case OCFS2_IOC_RESVSP:
+ case OCFS2_IOC_RESVSP64:
+ case OCFS2_IOC_UNRESVSP:
+ case OCFS2_IOC_UNRESVSP64:
+ case OCFS2_IOC_GROUP_EXTEND:
+ case OCFS2_IOC_GROUP_ADD:
+ case OCFS2_IOC_GROUP_ADD64:
+ 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;
+ }
+
+ return ocfs2_ioctl(file, cmd, arg);
+}
+#endif