#include <linux/tty.h>
#include <linux/namei.h>
#include <linux/backing-dev.h>
+#include <linux/capability.h>
#include <linux/security.h>
#include <linux/mount.h>
#include <linux/vfs.h>
return error;
}
-int do_truncate(struct dentry *dentry, loff_t length, struct file *filp)
+int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs,
+ struct file *filp)
{
int err;
struct iattr newattrs;
return -EINVAL;
newattrs.ia_size = length;
- newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
+ newattrs.ia_valid = ATTR_SIZE | time_attrs;
if (filp) {
newattrs.ia_file = filp;
newattrs.ia_valid |= ATTR_FILE;
}
- down(&dentry->d_inode->i_sem);
+ mutex_lock(&dentry->d_inode->i_mutex);
err = notify_change(dentry, &newattrs);
- up(&dentry->d_inode->i_sem);
+ mutex_unlock(&dentry->d_inode->i_mutex);
return err;
}
-static inline long do_sys_truncate(const char __user * path, loff_t length)
+static long do_sys_truncate(const char __user * path, loff_t length)
{
struct nameidata nd;
struct inode * inode;
if (!S_ISREG(inode->i_mode))
goto dput_and_out;
- error = permission(inode,MAY_WRITE,&nd);
+ error = vfs_permission(&nd, MAY_WRITE);
if (error)
goto dput_and_out;
error = locks_verify_truncate(inode, NULL, length);
if (!error) {
DQUOT_INIT(inode);
- error = do_truncate(nd.dentry, length, NULL);
+ error = do_truncate(nd.dentry, length, 0, NULL);
}
put_write_access(inode);
return do_sys_truncate(path, (long)length);
}
-static inline long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
+static long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
{
struct inode * inode;
struct dentry *dentry;
error = locks_verify_truncate(inode, file, length);
if (!error)
- error = do_truncate(dentry, length, file);
+ error = do_truncate(dentry, length, 0, file);
out_putf:
fput(file);
out:
goto dput_and_out;
if (current->fsuid != inode->i_uid &&
- (error = permission(inode,MAY_WRITE,&nd)) != 0)
+ (error = vfs_permission(&nd, MAY_WRITE)) != 0)
goto dput_and_out;
}
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
error = notify_change(nd.dentry, &newattrs);
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
dput_and_out:
path_release(&nd);
out:
goto dput_and_out;
if (current->fsuid != inode->i_uid &&
- (error = permission(inode,MAY_WRITE,&nd)) != 0)
+ (error = vfs_permission(&nd, MAY_WRITE)) != 0)
goto dput_and_out;
}
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
error = notify_change(nd.dentry, &newattrs);
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
dput_and_out:
path_release(&nd);
out:
res = __user_walk(filename, LOOKUP_FOLLOW|LOOKUP_ACCESS, &nd);
if (!res) {
- res = permission(nd.dentry->d_inode, mode, &nd);
+ res = vfs_permission(&nd, mode);
/* SuS v2 requires we report a read only fs too */
if(!res && (mode & S_IWOTH) && IS_RDONLY(nd.dentry->d_inode)
&& !special_file(nd.dentry->d_inode->i_mode))
if (error)
goto out;
- error = permission(nd.dentry->d_inode,MAY_EXEC,&nd);
+ error = vfs_permission(&nd, MAY_EXEC);
if (error)
goto dput_and_out;
if (!S_ISDIR(inode->i_mode))
goto out_putf;
- error = permission(inode, MAY_EXEC, NULL);
+ error = file_permission(file, MAY_EXEC);
if (!error)
set_fs_pwd(current->fs, mnt, dentry);
out_putf:
if (error)
goto out;
- error = permission(nd.dentry->d_inode,MAY_EXEC,&nd);
+ error = vfs_permission(&nd, MAY_EXEC);
if (error)
goto dput_and_out;
err = -EPERM;
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
goto out_putf;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
if (mode == (mode_t) -1)
mode = inode->i_mode;
newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);
newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
err = notify_change(dentry, &newattrs);
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
out_putf:
fput(file);
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
goto dput_and_out;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
if (mode == (mode_t) -1)
mode = inode->i_mode;
newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);
newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
error = notify_change(nd.dentry, &newattrs);
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
dput_and_out:
path_release(&nd);
}
if (!S_ISDIR(inode->i_mode))
newattrs.ia_valid |= ATTR_KILL_SUID|ATTR_KILL_SGID;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
error = notify_change(dentry, &newattrs);
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
out:
return error;
}
EXPORT_SYMBOL(get_unused_fd);
-static inline void __put_unused_fd(struct files_struct *files, unsigned int fd)
+static void __put_unused_fd(struct files_struct *files, unsigned int fd)
{
struct fdtable *fdt = files_fdtable(files);
__FD_CLR(fd, fdt->open_fds);