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authorAlexey Dobriyan <adobriyan@gmail.com>2006-09-30 23:27:22 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-01 00:39:19 -0700
commit82b0547cfae1fb2ee26cad588f6d49a347d24740 (patch)
tree67575452152d0e51a573f66053c29c2028f3701e /fs/open.c
parent52978be636374c4bfb61220b37fa12f55a071c46 (diff)
[PATCH] Create fs/utimes.c
* fs/open.c is getting bit crowdy * preparation to lutimes(2) Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/open.c')
-rw-r--r--fs/open.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/fs/open.c b/fs/open.c
index 304c1c7814c..35c3e454458 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -6,7 +6,6 @@
#include <linux/string.h>
#include <linux/mm.h>
-#include <linux/utime.h>
#include <linux/file.h>
#include <linux/smp_lock.h>
#include <linux/quotaops.h>
@@ -29,8 +28,6 @@
#include <linux/rcupdate.h>
#include <linux/audit.h>
-#include <asm/unistd.h>
-
int vfs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
int retval = -ENODEV;
@@ -353,137 +350,6 @@ asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length)
}
#endif
-#ifdef __ARCH_WANT_SYS_UTIME
-
-/*
- * sys_utime() can be implemented in user-level using sys_utimes().
- * Is this for backwards compatibility? If so, why not move it
- * into the appropriate arch directory (for those architectures that
- * need it).
- */
-
-/* If times==NULL, set access and modification to current time,
- * must be owner or have write permission.
- * Else, update from *times, must be owner or super user.
- */
-asmlinkage long sys_utime(char __user * filename, struct utimbuf __user * times)
-{
- int error;
- struct nameidata nd;
- struct inode * inode;
- struct iattr newattrs;
-
- error = user_path_walk(filename, &nd);
- if (error)
- goto out;
- inode = nd.dentry->d_inode;
-
- error = -EROFS;
- if (IS_RDONLY(inode))
- goto dput_and_out;
-
- /* Don't worry, the checks are done in inode_change_ok() */
- newattrs.ia_valid = ATTR_CTIME | ATTR_MTIME | ATTR_ATIME;
- if (times) {
- error = -EPERM;
- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
- goto dput_and_out;
-
- error = get_user(newattrs.ia_atime.tv_sec, &times->actime);
- newattrs.ia_atime.tv_nsec = 0;
- if (!error)
- error = get_user(newattrs.ia_mtime.tv_sec, &times->modtime);
- newattrs.ia_mtime.tv_nsec = 0;
- if (error)
- goto dput_and_out;
-
- newattrs.ia_valid |= ATTR_ATIME_SET | ATTR_MTIME_SET;
- } else {
- error = -EACCES;
- if (IS_IMMUTABLE(inode))
- goto dput_and_out;
-
- if (current->fsuid != inode->i_uid &&
- (error = vfs_permission(&nd, MAY_WRITE)) != 0)
- goto dput_and_out;
- }
- mutex_lock(&inode->i_mutex);
- error = notify_change(nd.dentry, &newattrs);
- mutex_unlock(&inode->i_mutex);
-dput_and_out:
- path_release(&nd);
-out:
- return error;
-}
-
-#endif
-
-/* If times==NULL, set access and modification to current time,
- * must be owner or have write permission.
- * Else, update from *times, must be owner or super user.
- */
-long do_utimes(int dfd, char __user *filename, struct timeval *times)
-{
- int error;
- struct nameidata nd;
- struct inode * inode;
- struct iattr newattrs;
-
- error = __user_walk_fd(dfd, filename, LOOKUP_FOLLOW, &nd);
-
- if (error)
- goto out;
- inode = nd.dentry->d_inode;
-
- error = -EROFS;
- if (IS_RDONLY(inode))
- goto dput_and_out;
-
- /* Don't worry, the checks are done in inode_change_ok() */
- newattrs.ia_valid = ATTR_CTIME | ATTR_MTIME | ATTR_ATIME;
- if (times) {
- error = -EPERM;
- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
- goto dput_and_out;
-
- newattrs.ia_atime.tv_sec = times[0].tv_sec;
- newattrs.ia_atime.tv_nsec = times[0].tv_usec * 1000;
- newattrs.ia_mtime.tv_sec = times[1].tv_sec;
- newattrs.ia_mtime.tv_nsec = times[1].tv_usec * 1000;
- newattrs.ia_valid |= ATTR_ATIME_SET | ATTR_MTIME_SET;
- } else {
- error = -EACCES;
- if (IS_IMMUTABLE(inode))
- goto dput_and_out;
-
- if (current->fsuid != inode->i_uid &&
- (error = vfs_permission(&nd, MAY_WRITE)) != 0)
- goto dput_and_out;
- }
- mutex_lock(&inode->i_mutex);
- error = notify_change(nd.dentry, &newattrs);
- mutex_unlock(&inode->i_mutex);
-dput_and_out:
- path_release(&nd);
-out:
- return error;
-}
-
-asmlinkage long sys_futimesat(int dfd, char __user *filename, struct timeval __user *utimes)
-{
- struct timeval times[2];
-
- if (utimes && copy_from_user(&times, utimes, sizeof(times)))
- return -EFAULT;
- return do_utimes(dfd, filename, utimes ? times : NULL);
-}
-
-asmlinkage long sys_utimes(char __user *filename, struct timeval __user *utimes)
-{
- return sys_futimesat(AT_FDCWD, filename, utimes);
-}
-
-
/*
* access() needs to use the real uid/gid, not the effective uid/gid.
* We do this by temporarily clearing all FS-related capabilities and