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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 3.11 November 2013 TRUNCATE_SETSIZE(9)
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