TRUNCATE_SETSIZE(9) Memory Management in Linux TRUNCATE_SETSIZE(9)
NAME
truncate_setsize - update inode and pagecache for a new file size
SYNOPSIS
void truncate_setsize(struct inode * inode, loff_t newsize);
ARGUMENTS
inode
inode
newsize
new file size
DESCRIPTION
truncate_setsize updates i_size and performs pagecache truncation (if necessary) to newsize. It will be typically be called from the
filesystem's setattr function when ATTR_SIZE is passed in.
Must be called with inode_mutex held and before all filesystem specific block truncation has been performed.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 TRUNCATE_SETSIZE(9)
