*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*/
/*
* lustre/include/lustre_osc.h
/** true if this io is counted as active IO */
oi_is_active:1,
/** true if this io has CAP_SYS_RESOURCE */
- oi_cap_sys_resource:1;
+ oi_cap_sys_resource:1,
+ /** true if this io issued by readahead */
+ oi_is_readahead:1;
/** how many LRU pages are reserved for this IO */
unsigned long oi_lru_reserved;
*/
pgoff_t oti_next_index;
pgoff_t oti_fn_index; /* first non-overlapped index */
+ pgoff_t oti_ng_index; /* negative lock caching */
struct cl_sync_io oti_anchor;
struct cl_req_attr oti_req_attr;
struct lu_buf oti_ladvise_buf;
if (enqflags & CEF_NONBLOCK)
result |= LDLM_FL_BLOCK_NOWAIT;
if (enqflags & CEF_GLIMPSE)
- result |= LDLM_FL_HAS_INTENT;
+ result |= LDLM_FL_HAS_INTENT|LDLM_FL_CBPENDING;
if (enqflags & CEF_DISCARD_DATA)
result |= LDLM_FL_AST_DISCARD_DATA;
if (enqflags & CEF_PEEK)
* Return the lock even if it is being canceled.
*/
OSC_DAP_FL_CANCELING = BIT(1),
+ /**
+ * check ast data is present, requested to cancel cb
+ */
+ OSC_DAP_FL_AST = BIT(2),
+ /**
+ * look at right region for the desired lock
+ */
+ OSC_DAP_FL_RIGHT = BIT(3),
};
/*
const struct cl_io_slice *ios,
struct cl_page_list *qin, int from, int to,
cl_commit_cbt cb);
+void osc_io_extent_release(const struct lu_env *env,
+ const struct cl_io_slice *ios);
int osc_io_iter_init(const struct lu_env *env, const struct cl_io_slice *ios);
void osc_io_iter_fini(const struct lu_env *env,
const struct cl_io_slice *ios);
-int osc_io_rw_iter_init(const struct lu_env *env,
- const struct cl_io_slice *ios);
void osc_io_rw_iter_fini(const struct lu_env *env,
const struct cl_io_slice *ios);
int osc_io_fault_start(const struct lu_env *env, const struct cl_io_slice *ios);
struct cl_fsync_io *fio);
void osc_io_fsync_end(const struct lu_env *env,
const struct cl_io_slice *slice);
-void osc_read_ahead_release(const struct lu_env *env, void *cbdata);
+void osc_read_ahead_release(const struct lu_env *env, struct cl_read_ahead *ra);
+int osc_io_lseek_start(const struct lu_env *env,
+ const struct cl_io_slice *slice);
+void osc_io_lseek_end(const struct lu_env *env,
+ const struct cl_io_slice *slice);
+int osc_io_lru_reserve(const struct lu_env *env, const struct cl_io_slice *ios,
+ loff_t pos, size_t count);
/* osc_lock.c */
void osc_lock_to_lockless(const struct lu_env *env, struct osc_lock *ols,