17  * information: Portions Copyright [yyyy] [name of copyright owner]

    17  * information: Portions Copyright [yyyy] [name of copyright owner]

    18  *

    18  *

    19  * CDDL HEADER END

    19  * CDDL HEADER END

    20  */

    20  */

    21 /*

    21 /*

    23  * Use is subject to license terms.

    23  * Use is subject to license terms.

    24  */

    24  */

    25 

    25 

    26 #ifndef	_SYS_DMU_OBJSET_H

    26 #ifndef	_SYS_DMU_OBJSET_H

    27 #define	_SYS_DMU_OBJSET_H

    27 #define	_SYS_DMU_OBJSET_H

    28 

    28 

    29 #pragma ident	"%Z%%M%	%I%	%E% SMI"

    29 #pragma ident	"%Z%%M%	%I%	%E% SMI"

    30 

    30 

    31 #include <sys/spa.h>

    31 #include <sys/spa.h>

    32 #include <sys/txg.h>

    33 #include <sys/txg.h>

    33 #include <sys/zfs_context.h>

    34 #include <sys/zfs_context.h>

    34 #include <sys/dnode.h>

    35 #include <sys/dnode.h>

    35 #include <sys/zio.h>

    36 #include <sys/zio.h>

    36 #include <sys/zil.h>

    37 #include <sys/zil.h>

    58 

    59 

    59 typedef struct objset_impl {

    60 typedef struct objset_impl {

    60 	/* Immutable: */

    61 	/* Immutable: */

    61 	struct dsl_dataset *os_dsl_dataset;

    62 	struct dsl_dataset *os_dsl_dataset;

    62 	spa_t *os_spa;

    63 	spa_t *os_spa;

    63 	objset_phys_t *os_phys;

    65 	objset_phys_t *os_phys;

    64 	dnode_t *os_meta_dnode;

    66 	dnode_t *os_meta_dnode;

    65 	zilog_t *os_zil;

    67 	zilog_t *os_zil;

    66 	objset_t os;

    68 	objset_t os;

    67 	uint8_t os_checksum;	/* can change, under dsl_dir's locks */

    69 	uint8_t os_checksum;	/* can change, under dsl_dir's locks */

    69 	uint8_t os_md_checksum;

    71 	uint8_t os_md_checksum;

    70 	uint8_t os_md_compress;

    72 	uint8_t os_md_compress;

    71 

    73 

    72 	/* no lock needed: */

    74 	/* no lock needed: */

    73 	struct dmu_tx *os_synctx; /* XXX sketchy */

    75 	struct dmu_tx *os_synctx; /* XXX sketchy */

    75 

    77 

    76 	/* Protected by os_obj_lock */

    78 	/* Protected by os_obj_lock */

    77 	kmutex_t os_obj_lock;

    79 	kmutex_t os_obj_lock;

    78 	uint64_t os_obj_next;

    80 	uint64_t os_obj_next;

    79 

    81 

   106     int flags);

   108     int flags);

   107 void dmu_objset_byteswap(void *buf, size_t size);

   109 void dmu_objset_byteswap(void *buf, size_t size);

   108 int dmu_objset_evict_dbufs(objset_t *os, int try);

   110 int dmu_objset_evict_dbufs(objset_t *os, int try);

   109 

   111 

   110 /* called from dsl */

   112 /* called from dsl */

   112 objset_impl_t *dmu_objset_create_impl(spa_t *spa, struct dsl_dataset *ds,

   114 objset_impl_t *dmu_objset_create_impl(spa_t *spa, struct dsl_dataset *ds,

   114 int dmu_objset_open_impl(spa_t *spa, struct dsl_dataset *ds, blkptr_t *bp,

   116 int dmu_objset_open_impl(spa_t *spa, struct dsl_dataset *ds, blkptr_t *bp,

   115     objset_impl_t **osip);

   117     objset_impl_t **osip);

   116 void dmu_objset_evict(struct dsl_dataset *ds, void *arg);

   118 void dmu_objset_evict(struct dsl_dataset *ds, void *arg);

   117 

   119 

   118 #ifdef	__cplusplus

   120 #ifdef	__cplusplus