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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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3
include/linux/fscache-cache.h
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@@ -553,7 +553,8 @@ extern bool fscache_object_sleep_till_congested(signed long *timeoutp);
extern enum fscache_checkaux fscache_check_aux(struct fscache_object *object,
const void *data,
uint16_t datalen);
uint16_t datalen,
loff_t object_size);
extern void fscache_object_retrying_stale(struct fscache_object *object);