BMAP(9) The Linux VFS BMAP(9)NAMEbmap - find a block number in a file
SYNOPSIS
sector_t bmap(struct inode * inode, sector_t block);
ARGUMENTS
inode
inode of file
block
block to find
DESCRIPTION
Returns the block number on the device holding the inode that is the
disk block number for the block of the file requested. That is, asked
for block 4 of inode 1 the function will return the disk block relative
to the disk start that holds that block of the file.
COPYRIGHTKernel Hackers Manual 3.8. June 2014 BMAP(9)