OpenForum RSS: �� Linux �� ?

�� Linux �� ? (tux2002)

Fri, 31 Aug 2012 12:15:03 GMT

>> + printk(KERN_INFO \
>> + "Owner of inode %ld on device
>> %u (device information may be wrong) change from %d to %d\n",\
>> + inode->i_ino,MINOR(inode->i_rdev),\
> printk(KERN_INFO "%u:%u\n", MAJOR(inode->i_rdev), MINOR(inode->i_rdev));
> �� <linux/kdev_t.h>, �� .

i_rdev �� 0 �� . struct inode �� ţ �� . �� :

printk(KERN_INFO \
"Owner of inode %ld on device %u:%u change from %d to %d\n",\
inode->i_ino, MAJOR(inode->i_sb->s_dev), MINOR(inode->i_sb->s_dev),\

�� !

�� Linux �� ? (pavlinux)

Tue, 28 Aug 2012 21:35:08 GMT

> + printk(KERN_INFO \
> + "Owner of inode %ld on device
> %u (device information may be wrong) change from %d to %d\n",\
> + inode->i_ino,MINOR(inode->i_rdev),\

printk(KERN_INFO "%u:%u\n", MAJOR(inode->i_rdev), MINOR(inode->i_rdev));

�� <linux/kdev_t.h>, �� .

�� Linux �� ? (tux2002)

Tue, 28 Aug 2012 11:37:41 GMT

>> ��! �� ! �� ! � ��
>> ��.
> �� , �� . :)

[code]
--- ./fs/attr.c.orig2012-08-26 18:07:47.000000000 +0400
+++ ./fs/attr.c2012-08-27 15:47:22.000000000 +0400
@@ -45,26 +45,29 @@
return 0;

/* Make sure a caller can chown. */
-if ((ia_valid & ATTR_UID) &&
- (current_fsuid() != inode->i_uid ||
- attr->ia_uid != inode->i_uid) && !capable(CAP_CHOWN))
-return -EPERM;
+if (ia_valid & ATTR_UID) {
+ if ((current_fsuid() == inode->i_uid) ||
+capable(CAP_CHOWN))
+ printk(KERN_INFO \
+ "Owner of inode %ld on device %u (device information may be wrong) change from %d to %d\n",\
+ inode->i_ino,MINOR(inode->i_rdev),\
+ inode->i_uid,attr->ia_uid);
+
+ else
+ return -EPERM;
+ }

/* Make sure caller can chgrp. */
-if ((ia_valid & ATTR_GID) &&
- (current_fsuid()

�� Linux �� ? (pavlinux)

Tue, 28 Aug 2012 00:20:01 GMT

> ��! �� ! �� ! � ��
> ��.

�� , �� . :)

�� Linux �� ? (Alex_S)

Fri, 24 Aug 2012 04:31:49 GMT

> � �� , �� ?

/dev ?

�� Linux �� ? (tux2002)

Thu, 23 Aug 2012 12:10:10 GMT

��! �� ! �� ! � �� .

�� Linux �� ? (tux2002)

Tue, 21 Aug 2012 16:35:25 GMT

>> � �� inode->i_rdev, �� .
>> �� .
>> ��.
> unsigned int minor = MINOR(inode->i_rdev);

[code]
printk(KERN_INFO \
"Owner of inode %ld on device %u change from %d to %d\n",\
inode->i_ino,MINOR(inode->i_rdev),inode->i_uid,attr->ia_uid);

dmesg | grep Owner
...
[ 6.639927] Owner of inode 3213 on device 16 change from 0 to 0
[ 6.640186] Owner of inode 3217 on device 15 change from 0 to 0
[ 6.640530] Owner of inode 3221 on device 18 change from 0 to 0
[ 6.640902] Owner of inode 3225 on device 20 change from 0 to 0
[ 6.641172] Owner of inode 3229 on device 19 change from 0 to 0
[ 6.641518] Owner of inode 3233 on device 22 change from 0 to 0
[ 6.641768] Owner of inode 3237 on device 21 change from 0 to 0
[ 6.642120] Owner of inode 3241 on device 24 change from 0 to 0
[ 6.642369] Owner of inode 3245 on device 23 change from 0 to 0
[ 6.642619] Owner of inode 3249 on device 17 cha

�� Linux �� ? (��)

Mon, 20 Aug 2012 19:56:52 GMT

> � �� inode->i_rdev, �� .
> �� .
> ��.

unsigned int minor = MINOR(inode->i_rdev);

OpenForum RSS: ��� � ���� Linux ����� �� ����� ������� �����?

��� � ���� Linux ����� �� ����� ������� �����? (tux2002)

��� � ���� Linux ����� �� ����� ������� �����? (pavlinux)

��� � ���� Linux ����� �� ����� ������� �����? (tux2002)

��� � ���� Linux ����� �� ����� ������� �����? (pavlinux)

��� � ���� Linux ����� �� ����� ������� �����? (Alex_S)

��� � ���� Linux ����� �� ����� ������� �����? (tux2002)

��� � ���� Linux ����� �� ����� ������� �����? (tux2002)

��� � ���� Linux ����� �� ����� ������� �����? (������)

OpenForum RSS: �� Linux �� ?

�� Linux �� ? (tux2002)

�� Linux �� ? (pavlinux)

�� Linux �� ? (tux2002)

�� Linux �� ? (pavlinux)

�� Linux �� ? (Alex_S)

�� Linux �� ? (tux2002)

�� Linux �� ? (tux2002)

�� Linux �� ? (��)