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Illumos #3464

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3464 zfs synctask code needs restructuring
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>

References:
  https://www.illumos.org/issues/3464
  illumos/illumos-gate@3b2aab1880

Ported-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1495
This commit is contained in:
Matthew Ahrens
2013-09-04 07:00:57 -05:00
committed by Brian Behlendorf
parent 6f1ffb0665
commit 13fe019870
86 changed files with 6425 additions and 6043 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/sys/dmu.h
+13 -39
View File
@@ -214,6 +214,11 @@ typedef enum dmu_object_type {
DMU_OTN_ZAP_METADATA = DMU_OT(DMU_BSWAP_ZAP, B_TRUE),
} dmu_object_type_t;
typedef enum txg_how {
TXG_WAIT = 1,
TXG_NOWAIT,
} txg_how_t;
void byteswap_uint64_array(void *buf, size_t size);
void byteswap_uint32_array(void *buf, size_t size);
void byteswap_uint16_array(void *buf, size_t size);
@@ -252,22 +257,19 @@ void dmu_objset_rele(objset_t *os, void *tag);
void dmu_objset_disown(objset_t *os, void *tag);
int dmu_objset_open_ds(struct dsl_dataset *ds, objset_t **osp);
int dmu_objset_evict_dbufs(objset_t *os);
void dmu_objset_evict_dbufs(objset_t *os);
int dmu_objset_create(const char *name, dmu_objset_type_t type, uint64_t flags,
void (*func)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx), void *arg);
int dmu_objset_clone(const char *name, struct dsl_dataset *clone_origin,
uint64_t flags);
int dmu_objset_destroy(const char *name, boolean_t defer);
int dmu_snapshots_destroy_nvl(struct nvlist *snaps, boolean_t defer,
int dmu_objset_clone(const char *name, const char *origin);
int dsl_destroy_snapshots_nvl(struct nvlist *snaps, boolean_t defer,
struct nvlist *errlist);
int dmu_objset_snapshot(struct nvlist *snaps, struct nvlist *, struct nvlist *);
int dmu_objset_snapshot_one(const char *fsname, const char *snapname);
int dmu_objset_snapshot_tmp(const char *, const char *, int);
int dmu_objset_rename(const char *name, const char *newname,
boolean_t recursive);
int dmu_objset_find(char *name, int func(const char *, void *), void *arg,
int flags);
void dmu_objset_byteswap(void *buf, size_t size);
int dsl_dataset_rename_snapshot(const char *fsname,
const char *oldsnapname, const char *newsnapname, boolean_t recursive);
typedef struct dmu_buf {
uint64_t db_object; /* object that this buffer is part of */
@@ -537,7 +539,7 @@ void dmu_tx_hold_spill(dmu_tx_t *tx, uint64_t object);
void dmu_tx_hold_sa(dmu_tx_t *tx, struct sa_handle *hdl, boolean_t may_grow);
void dmu_tx_hold_sa_create(dmu_tx_t *tx, int total_size);
void dmu_tx_abort(dmu_tx_t *tx);
int dmu_tx_assign(dmu_tx_t *tx, uint64_t txg_how);
int dmu_tx_assign(dmu_tx_t *tx, enum txg_how txg_how);
void dmu_tx_wait(dmu_tx_t *tx);
void dmu_tx_commit(dmu_tx_t *tx);
@@ -785,36 +787,8 @@ typedef void (*dmu_traverse_cb_t)(objset_t *os, void *arg, struct blkptr *bp,
void dmu_traverse_objset(objset_t *os, uint64_t txg_start,
dmu_traverse_cb_t cb, void *arg);
int dmu_send(objset_t *tosnap, objset_t *fromsnap,
int outfd, struct vnode *vp, offset_t *off);
int dmu_send_estimate(objset_t *tosnap, objset_t *fromsnap, uint64_t *sizep);
typedef struct dmu_recv_cookie {
/*
* This structure is opaque!
*
* If logical and real are different, we are recving the stream
* into the "real" temporary clone, and then switching it with
* the "logical" target.
*/
struct dsl_dataset *drc_logical_ds;
struct dsl_dataset *drc_real_ds;
struct drr_begin *drc_drrb;
char *drc_tosnap;
char *drc_top_ds;
boolean_t drc_newfs;
boolean_t drc_force;
struct avl_tree *drc_guid_to_ds_map;
} dmu_recv_cookie_t;
int dmu_recv_begin(char *tofs, char *tosnap, char *topds, struct drr_begin *,
boolean_t force, objset_t *origin, dmu_recv_cookie_t *);
int dmu_recv_stream(dmu_recv_cookie_t *drc, struct vnode *vp, offset_t *voffp,
int cleanup_fd, uint64_t *action_handlep);
int dmu_recv_end(dmu_recv_cookie_t *drc);
int dmu_diff(objset_t *tosnap, objset_t *fromsnap, struct vnode *vp,
offset_t *off);
int dmu_diff(const char *tosnap_name, const char *fromsnap_name,
struct vnode *vp, offset_t *offp);
/* CRC64 table */
#define ZFS_CRC64_POLY 0xC96C5795D7870F42ULL /* ECMA-182, reflected form */