Messages in this thread | | | Date | Tue, 27 May 2003 12:23:04 -0400 (EDT) | From | Michael Zhu <> | Subject | Different dev name in inode structure |
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Hi, I have a question about the inode structure. My kernel version is 2.4.7-10, Red Hat Linux 7.2
In fs.h header file I found the prototype of inode structure. In this inode structure there are the following definitions.
kdev_t i_dev; kdev_t i_rdev; struct block_device * i_bdev; struct char_device * i_cdev;
My question is what is the exact difference of i_dev and i_rdev? Which one I should use?
Another question is what that i_bdev and i_cdev are used for? They stand for what?
Thanks
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