Messages in this thread | | | Subject | Re: get device from file struct | From | Silviu Craciunas <> | Date | Tue, 12 Dec 2006 10:04:08 +0100 |
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On Mon, 2006-12-11 at 19:34 +0100, Brice Goglin wrote: > Silviu Craciunas wrote: > > quick question for the gurus.. is it possible to determine the hardware > > device from a file struct during read/write system call. For example in > > fs/read_write.c when doing a vfs_read. > > > > file->f_dentry->d_inode gives you the inode. If the inode is on top of a > block device, inode->i_bdev gives you a struct block_device that might > help you. > > Brice
thanks for the reply, the block device can be determined with the major and minor numbers , what I would be more interested in is if one can get the net_device struct from the file struct
silviu
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