* Use is subject to license terms.
*/
/*
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* @{
*/
-#ifdef __KERNEL__
-# include <linux/fs.h>
-# include <linux/dcache.h>
-# ifdef CONFIG_FS_POSIX_ACL
-# include <linux/posix_acl_xattr.h>
-# endif /* CONFIG_FS_POSIX_ACL */
-# include <linux/lustre_intent.h>
-#endif /* __KERNEL__ */
+#include <linux/fs.h>
+#include <linux/dcache.h>
+#ifdef CONFIG_FS_POSIX_ACL
+# include <linux/posix_acl_xattr.h>
+#endif /* CONFIG_FS_POSIX_ACL */
#include <lustre_handles.h>
+#include <lustre_intent.h>
#include <libcfs/libcfs.h>
#include <obd_class.h>
#include <lustre/lustre_idl.h>
ENTRY;
if (it != NULL && (it->it_op == IT_GETATTR || it->it_op == IT_LOOKUP ||
- it->it_op == IT_LAYOUT))
+ it->it_op == IT_LAYOUT || it->it_op == IT_READDIR))
return;
/* This would normally block until the existing request finishes.
struct lookup_intent *it)
{
if (it != NULL && (it->it_op == IT_GETATTR || it->it_op == IT_LOOKUP ||
- it->it_op == IT_LAYOUT))
+ it->it_op == IT_LAYOUT || it->it_op == IT_READDIR))
goto out;
if (lck->rpcl_it == MDC_FAKE_RPCL_IT) { /* OBD_FAIL_MDC_RPCS_SEM */
EXIT;
}
+/**
+ * Update the maximum possible easize.
+ *
+ * This value is learned from ptlrpc replies sent by the MDT. The
+ * default easize is initialized to the minimum value but allowed to
+ * grow up to a single page in size if required to handle the common
+ * case.
+ *
+ * \see client_obd::cl_default_mds_easize
+ *
+ * \param[in] exp export for MDC device
+ * \param[in] body body of ptlrpc reply from MDT
+ *
+ */
static inline void mdc_update_max_ea_from_body(struct obd_export *exp,
- struct mdt_body *body)
+ struct mdt_body *body)
{
- if (body->valid & OBD_MD_FLMODEASIZE) {
- if (exp->exp_obd->u.cli.cl_max_mds_easize < body->max_mdsize)
- exp->exp_obd->u.cli.cl_max_mds_easize =
- body->max_mdsize;
- if (exp->exp_obd->u.cli.cl_max_mds_cookiesize <
- body->max_cookiesize)
- exp->exp_obd->u.cli.cl_max_mds_cookiesize =
- body->max_cookiesize;
- }
-}
+ if (body->mbo_valid & OBD_MD_FLMODEASIZE) {
+ struct client_obd *cli = &exp->exp_obd->u.cli;
+ __u32 def_easize;
+ if (cli->cl_max_mds_easize < body->mbo_max_mdsize)
+ cli->cl_max_mds_easize = body->mbo_max_mdsize;
+
+ def_easize = min_t(__u32, body->mbo_max_mdsize,
+ OBD_MAX_DEFAULT_EA_SIZE);
+ cli->cl_default_mds_easize = def_easize;
+ }
+}
-struct mdc_cache_waiter {
- cfs_list_t mcw_entry;
- wait_queue_head_t mcw_waitq;
-};
/* mdc/mdc_locks.c */
-int it_disposition(struct lookup_intent *it, int flag);
-void it_clear_disposition(struct lookup_intent *it, int flag);
-void it_set_disposition(struct lookup_intent *it, int flag);
int it_open_error(int phase, struct lookup_intent *it);
-#ifdef HAVE_SPLIT_SUPPORT
-int mdc_sendpage(struct obd_export *exp, const struct lu_fid *fid,
- const struct page *page, int offset);
-#endif
+
+static inline bool cl_is_lov_delay_create(unsigned int flags)
+{
+ return (flags & O_LOV_DELAY_CREATE_1_8) != 0 ||
+ (flags & O_LOV_DELAY_CREATE_MASK) == O_LOV_DELAY_CREATE_MASK;
+}
+
+static inline void cl_lov_delay_create_clear(unsigned int *flags)
+{
+ if ((*flags & O_LOV_DELAY_CREATE_1_8) != 0)
+ *flags &= ~O_LOV_DELAY_CREATE_1_8;
+ if ((*flags & O_LOV_DELAY_CREATE_MASK) == O_LOV_DELAY_CREATE_MASK)
+ *flags &= ~O_LOV_DELAY_CREATE_MASK;
+}
/** @} mdc */