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da9803bc88
Extend the fscache netfs API so that the netfs can ask as to whether a cache object is up to date with respect to its corresponding netfs object: int fscache_check_consistency(struct fscache_cookie *cookie) This will call back to the netfs to check whether the auxiliary data associated with a cookie is correct. It returns 0 if it is and -ESTALE if it isn't; it may also return -ENOMEM and -ERESTARTSYS. The backends now have to implement a mandatory operation pointer: int (*check_consistency)(struct fscache_object *object) that corresponds to the above API call. FS-Cache takes care of pinning the object and the cookie in memory and managing this call with respect to the object state. Original-author: Hongyi Jia <jiayisuse@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> cc: Hongyi Jia <jiayisuse@gmail.com> cc: Milosz Tanski <milosz@adfin.com> |
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| .. | ||
| cache.c | ||
| cookie.c | ||
| fsdef.c | ||
| histogram.c | ||
| internal.h | ||
| Kconfig | ||
| main.c | ||
| Makefile | ||
| netfs.c | ||
| object-list.c | ||
| object.c | ||
| operation.c | ||
| page.c | ||
| proc.c | ||
| stats.c | ||