struct {
enum ccc_setattr_lock_type cui_local_lock;
} setattr;
- } u;
- /**
- * True iff io is processing glimpse right now.
- */
- int cui_glimpse;
+ struct {
+ struct cl_page_list cui_queue;
+ unsigned long cui_written;
+ int cui_from;
+ int cui_to;
+ } write;
+ } u;
+ /**
+ * True iff io is processing glimpse right now.
+ */
+ int cui_glimpse;
/**
* Layout version when this IO is initialized
*/
* File descriptor against which IO is done.
*/
struct ll_file_data *cui_fd;
-#ifndef HAVE_FILE_WRITEV
struct kiocb *cui_iocb;
-#endif
};
/**
* we don't need to hold any lock..
*/
int cob_transient_pages;
- /**
- * Number of outstanding mmaps on this file.
- *
- * \see ll_vm_open(), ll_vm_close().
- */
- cfs_atomic_t cob_mmap_cnt;
+ /**
+ * Number of outstanding mmaps on this file.
+ *
+ * \see ll_vm_open(), ll_vm_close().
+ */
+ atomic_t cob_mmap_cnt;
/**
* various flags
return container_of(slice, struct ccc_page, cpg_cl);
}
+static inline pgoff_t ccc_index(struct ccc_page *ccc)
+{
+ return ccc->cpg_cl.cpl_index;
+}
+
struct cl_page *ccc_vmpage_page_transient(struct page *vmpage);
struct ccc_device {
const struct cl_object *obj, struct ost_lvb *lvb);
int ccc_conf_set(const struct lu_env *env, struct cl_object *obj,
const struct cl_object_conf *conf);
-struct page *ccc_page_vmpage(const struct lu_env *env,
- const struct cl_page_slice *slice);
int ccc_page_is_under_lock(const struct lu_env *env,
const struct cl_page_slice *slice, struct cl_io *io);
int ccc_fail(const struct lu_env *env, const struct cl_page_slice *slice);
void ccc_inode_lsm_put(struct inode *inode, struct lov_stripe_md *lsm);
/**
- * Data structure managing a client's cached clean pages. An LRU of
- * pages is maintained, along with other statistics.
+ * Data structure managing a client's cached pages. A count of
+ * "unstable" pages is maintained, and an LRU of clean pages is
+ * maintained. "unstable" pages are pages pinned by the ptlrpc
+ * layer for recovery purposes.
*/
struct cl_client_cache {
- cfs_atomic_t ccc_users; /* # of users (OSCs) of this data */
- cfs_list_t ccc_lru; /* LRU list of cached clean pages */
- spinlock_t ccc_lru_lock; /* lock for list */
- cfs_atomic_t ccc_lru_left; /* # of LRU entries available */
- unsigned long ccc_lru_max; /* Max # of LRU entries possible */
- unsigned int ccc_lru_shrinkers; /* # of threads reclaiming */
+ atomic_t ccc_users; /* # of users (OSCs) */
+ cfs_list_t ccc_lru; /* LRU of cached clean pages */
+ spinlock_t ccc_lru_lock; /* lock for list */
+ atomic_t ccc_lru_left; /* # of LRU entries available */
+ unsigned long ccc_lru_max; /* Max # of LRU entries */
+ unsigned int ccc_lru_shrinkers; /* # of threads shrinking */
+ atomic_t ccc_unstable_nr; /* # of pages pinned */
+ wait_queue_head_t ccc_unstable_waitq; /* Signaled on BRW commit */
+};
+
+enum op_cli_flags {
+ CLI_SET_MEA = 1 << 0,
+ CLI_RM_ENTRY = 1 << 1,
+ CLI_HASH64 = 1 << 2,
+ CLI_API32 = 1 << 3,
};
#endif /*LCLIENT_H */