X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Finclude%2Fsys%2Fzap_impl.h;h=1dc322e02f6f25419a79d16294a1c4ddd5a755be;hb=266852767f42781821c1d62544c9b9e985828304;hp=0dc02ab6b0ac0d801cf2b12038967b209b5017ba;hpb=172bb4bd5e4afef721dd4d2972d8680d983f144b;p=zfs.git

diff --git a/module/zfs/include/sys/zap_impl.h b/module/zfs/include/sys/zap_impl.h
index 0dc02ab..1dc322e 100644
--- a/module/zfs/include/sys/zap_impl.h
+++ b/module/zfs/include/sys/zap_impl.h
@@ -19,15 +19,12 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 
 #ifndef	_SYS_ZAP_IMPL_H
 #define	_SYS_ZAP_IMPL_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/zap.h>
 #include <sys/zfs_context.h>
 #include <sys/avl.h>
@@ -42,13 +39,13 @@ extern int fzap_default_block_shift;
 
 #define	FZAP_BLOCK_SHIFT(zap)	((zap)->zap_f.zap_block_shift)
 
-#define	ZAP_MAXCD		(uint32_t)(-1)
-#define	ZAP_HASHBITS		28
 #define	MZAP_ENT_LEN		64
 #define	MZAP_NAME_LEN		(MZAP_ENT_LEN - 8 - 4 - 2)
 #define	MZAP_MAX_BLKSHIFT	SPA_MAXBLOCKSHIFT
 #define	MZAP_MAX_BLKSZ		(1 << MZAP_MAX_BLKSHIFT)
 
+#define	ZAP_NEED_CD		(-1U)
+
 typedef struct mzap_ent_phys {
 	uint64_t mze_value;
 	uint32_t mze_cd;
@@ -69,9 +66,11 @@ typedef struct mzap_ent {
 	avl_node_t mze_node;
 	int mze_chunkid;
 	uint64_t mze_hash;
-	mzap_ent_phys_t mze_phys;
+	uint32_t mze_cd; /* copy from mze_phys->mze_cd */
 } mzap_ent_t;
 
+#define	MZE_PHYS(zap, mze) \
+	(&(zap)->zap_m.zap_phys->mz_chunk[(mze)->mze_chunkid])
 
 /*
  * The (fat) zap is stored in one object. It is an array of
@@ -129,6 +128,7 @@ typedef struct zap_phys {
 	uint64_t zap_num_entries;	/* number of entries */
 	uint64_t zap_salt;		/* salt to stir into hash function */
 	uint64_t zap_normflags;		/* flags for u8_textprep_str() */
+	uint64_t zap_flags;		/* zap_flags_t */
 	/*
 	 * This structure is followed by padding, and then the embedded
 	 * pointer table.  The embedded pointer table takes up second
@@ -170,10 +170,13 @@ typedef struct zap {
 
 typedef struct zap_name {
 	zap_t *zn_zap;
-	const char *zn_name_orij;
+	int zn_key_intlen;
+	const void *zn_key_orig;
+	int zn_key_orig_numints;
+	const void *zn_key_norm;
+	int zn_key_norm_numints;
 	uint64_t zn_hash;
 	matchtype_t zn_matchtype;
-	const char *zn_name_norm;
 	char zn_normbuf[ZAP_MAXNAMELEN];
 } zap_name_t;
 
@@ -185,8 +188,11 @@ int zap_lockdir(objset_t *os, uint64_t obj, dmu_tx_t *tx,
     krw_t lti, boolean_t fatreader, boolean_t adding, zap_t **zapp);
 void zap_unlockdir(zap_t *zap);
 void zap_evict(dmu_buf_t *db, void *vmzap);
-zap_name_t *zap_name_alloc(zap_t *zap, const char *name, matchtype_t mt);
+zap_name_t *zap_name_alloc(zap_t *zap, const char *key, matchtype_t mt);
 void zap_name_free(zap_name_t *zn);
+int zap_hashbits(zap_t *zap);
+uint32_t zap_maxcd(zap_t *zap);
+uint64_t zap_getflags(zap_t *zap);
 
 #define	ZAP_HASH_IDX(hash, n) (((n) == 0) ? 0 : ((hash) >> (64 - (n))))
 
@@ -195,6 +201,9 @@ int fzap_count(zap_t *zap, uint64_t *count);
 int fzap_lookup(zap_name_t *zn,
     uint64_t integer_size, uint64_t num_integers, void *buf,
     char *realname, int rn_len, boolean_t *normalization_conflictp);
+void fzap_prefetch(zap_name_t *zn);
+int fzap_count_write(zap_name_t *zn, int add, uint64_t *towrite,
+    uint64_t *tooverwrite);
 int fzap_add(zap_name_t *zn, uint64_t integer_size, uint64_t num_integers,
     const void *val, dmu_tx_t *tx);
 int fzap_update(zap_name_t *zn,
@@ -209,7 +218,8 @@ void zap_put_leaf(struct zap_leaf *l);
 int fzap_add_cd(zap_name_t *zn,
     uint64_t integer_size, uint64_t num_integers,
     const void *val, uint32_t cd, dmu_tx_t *tx);
-void fzap_upgrade(zap_t *zap, dmu_tx_t *tx);
+void fzap_upgrade(zap_t *zap, dmu_tx_t *tx, zap_flags_t flags);
+int fzap_cursor_move_to_key(zap_cursor_t *zc, zap_name_t *zn);
 
 #ifdef	__cplusplus
 }