invalidate_mapping_pages (9) - Linux Manuals

invalidate_mapping_pages: Invalidate all the unlocked pages of one inode

Command to display invalidate_mapping_pages manual in Linux: $ man 9 invalidate_mapping_pages

NAME

invalidate_mapping_pages - Invalidate all the unlocked pages of one inode

SYNOPSIS

unsigned long invalidate_mapping_pages(struct address_space * mapping, pgoff_t start, pgoff_t end);

ARGUMENTS

mapping

: the address_space which holds the pages to invalidate

start

: the offset 'from' which to invalidate

end

: the offset 'to' which to invalidate (inclusive)

DESCRIPTION

This function only removes the unlocked pages, if you want to remove all the pages of one inode, you must call truncate_inode_pages.

invalidate_mapping_pages will not block on IO activity. It will not invalidate pages which are dirty, locked, under writeback or mapped into pagetables.