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fscache: use appropriate radix tree accessors 

Don't open-code accesses to data structure internals.

Link: http://lkml.kernel.org/r/20180313132639.17387-7-willy@infradead.org
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthew Wilcox 2018-04-10 16:36:48 -07:00 committed by Linus Torvalds
parent f82b376413
commit e5a9554196
2 changed files with 2 additions and 2 deletions
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2
fs/fscache/cookie.c
View File

@ -832,7 +832,7 @@ void __fscache_relinquish_cookie(struct fscache_cookie *cookie,
/* Clear pointers back to the netfs */
cookie->netfs_data = NULL;
cookie->def = NULL;
BUG_ON(cookie->stores.rnode);
BUG_ON(!radix_tree_empty(&cookie->stores));
if (cookie->parent) {
ASSERTCMP(atomic_read(&cookie->parent->usage), >, 0);

2
fs/fscache/object.c
View File

@ -973,7 +973,7 @@ static const struct fscache_state *_fscache_invalidate_object(struct fscache_obj
* retire the object instead.
*/
if (!fscache_use_cookie(object)) {
ASSERT(object->cookie->stores.rnode == NULL);
ASSERT(radix_tree_empty(&object->cookie->stores));
set_bit(FSCACHE_OBJECT_RETIRED, &object->flags);
_leave(" [no cookie]");
return transit_to(KILL_OBJECT);