David Howells 9dc8d9bfe4 CacheFiles: Implement invalidation ... Implement invalidation for CacheFiles. This is in two parts: (1) Provide an invalidation method (which just truncates the backing file). (2) Abort attempts to copy anything read from the backing file whilst invalidation is in progress. Question: CacheFiles uses truncation in a couple of places. It has been using notify_change() rather than sys_truncate() or something similar. This means it bypasses a bunch of checks and suchlike that it possibly should be making (security, file locking, lease breaking, vfsmount write). Should it be using vfs_truncate() as added by a preceding patch or should it use notify_write() and assume that anyone poking around in the cache files on disk gets everything they deserve? Signed-off-by: David Howells <dhowells@redhat.com>		2012-12-20 22:06:08 +00:00
..
bind.c	kill useless checks for sb->s_op == NULL	2011-07-20 01:44:21 -04:00
daemon.c	llseek: automatically add .llseek fop	2010-10-15 15:53:27 +02:00
interface.c	CacheFiles: Implement invalidation	2012-12-20 22:06:08 +00:00
internal.h	CacheFiles: Downgrade the requirements passed to the allocator	2012-12-20 21:58:25 +00:00
Kconfig
key.c	CacheFiles: Downgrade the requirements passed to the allocator	2012-12-20 21:58:25 +00:00
main.c
Makefile
namei.c	don't pass nameidata * to vfs_create()	2012-07-14 16:34:50 +04:00
proc.c
rdwr.c	CacheFiles: Implement invalidation	2012-12-20 22:06:08 +00:00
security.c	CacheFiles: Fix error handling in cachefiles_determine_cache_security()	2010-05-12 18:23:58 -07:00
xattr.c	CacheFiles: Downgrade the requirements passed to the allocator	2012-12-20 21:58:25 +00:00