On Mon, Apr 2, 2012 at 5:59 PM, Pritam Bankar <pritambankar1...@gmail.com>wrote:
> May I know what is e4_inode ? > > Thanks, > Pritam > > On Mon, Mar 12, 2012 at 6:51 PM, Ganesh Patil > <patil.ganesh...@gmail.com>wrote: > >> Hello, >> >> I have printed the i_blocks[EXT4_N_BLOCKS] filed from ext4_inode >> structure. of my file (a.txt); >> >> code: >> ret= ext4_get_inode_loc(d_inode1, &iloc); >> e4_inode= ext4_raw_inode(&iloc); >> for(i=0;i<5;i++) >> { >> printk(KERN_INFO "%d",e4_inode->i_block[i]); >> } >> >> I got the following result.: >> >> 127754 >> 4 >> 0 >> 0 >> 1 >> 8705 >> >> what is the 127754 (Address of extent or data block)? >> what is 8705 &1 ? >> >> >> -- >> Regards, >> Ganesh Patil. >> >> >> _______________________________________________ >> Kernelnewbies mailing list >> Kernelnewbies@kernelnewbies.org >> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >> >> > > > -- > > Pritam Bankar > Above e4_inode field is the pointer of type struct ext4_inode i.e on disk structure of ext4 inode. i.e Struct ext4_inode *e4_inode=ext4_raw_inode(&iloc); Sir, but for above question I got answer. because i copied first 12 byte of i_block[..] to ext4_header structure and next 12 bytes in to ext4_extent.so from that I got actual physical block numbers. struct ext4_extent_header *eeh = (struct ext4_extent_header*)EXT4_I(d_inode1)->i_data; struct ext4_extent *eex=eex = EXT_FIRST_EXTENT(eeh); -- Regards, Ganesh Patil.
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