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fscache: Pass object size in rather than calling back for it

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Pass the object size in to fscache_acquire_cookie() and
fscache_write_page() rather than the netfs providing a callback by which it
can be received.  This makes it easier to update the size of the object
when a new page is written that extends the object.

The current object size is also passed by fscache to the check_aux
function, obviating the need to store it in the aux data.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Anna Schumaker <anna.schumaker@netapp.com>
Tested-by: Steve Dickson <steved@redhat.com>
This commit is contained in:
David Howells
2018-04-04 13:41:28 +01:00
parent 402cb8dda9
commit ee1235a9a0
21 changed files with 127 additions and 166 deletions
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5
fs/cachefiles/interface.c
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@@ -441,7 +441,7 @@ static int cachefiles_attr_changed(struct fscache_object *_object)
loff_t oi_size;
int ret;
_object->cookie->def->get_attr(_object->cookie->netfs_data, &ni_size);
ni_size = _object->store_limit_l;
_enter("{OBJ%x},[%llu]",
_object->debug_id, (unsigned long long) ni_size);
@@ -513,8 +513,7 @@ static void cachefiles_invalidate_object(struct fscache_operation *op)
cache = container_of(object->fscache.cache,
struct cachefiles_cache, cache);
op->object->cookie->def->get_attr(op->object->cookie->netfs_data,
&ni_size);
ni_size = op->object->store_limit_l;
_enter("{OBJ%x},[%llu]",
op->object->debug_id, (unsigned long long)ni_size);