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3740 Poor ZFS send / receive performance due to snapshot hold / release processing
Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk>


  26  */
  27 
  28 #ifndef _SYS_DSL_USERHOLD_H
  29 #define _SYS_DSL_USERHOLD_H
  30 
  31 #include <sys/nvpair.h>
  32 #include <sys/types.h>
  33 
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37 
  38 struct dsl_pool;
  39 struct dsl_dataset;
  40 struct dmu_tx;
  41 
  42 int dsl_dataset_user_hold(nvlist_t *holds, minor_t cleanup_minor,
  43     nvlist_t *errlist);
  44 int dsl_dataset_user_release(nvlist_t *holds, nvlist_t *errlist);
  45 int dsl_dataset_get_holds(const char *dsname, nvlist_t *nvl);
  46 void dsl_dataset_user_release_tmp(struct dsl_pool *dp, uint64_t dsobj,
  47     const char *htag);
  48 int dsl_dataset_user_hold_check_one(struct dsl_dataset *ds, const char *htag,
  49     boolean_t temphold, struct dmu_tx *tx);
  50 void dsl_dataset_user_hold_sync_one(struct dsl_dataset *ds, const char *htag,
  51     minor_t minor, uint64_t now, struct dmu_tx *tx);
  52 
  53 #ifdef  __cplusplus
  54 }
  55 #endif
  56 
  57 #endif /* _SYS_DSL_USERHOLD_H */


  26  */
  27 
  28 #ifndef _SYS_DSL_USERHOLD_H
  29 #define _SYS_DSL_USERHOLD_H
  30 
  31 #include <sys/nvpair.h>
  32 #include <sys/types.h>
  33 
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37 
  38 struct dsl_pool;
  39 struct dsl_dataset;
  40 struct dmu_tx;
  41 
  42 int dsl_dataset_user_hold(nvlist_t *holds, minor_t cleanup_minor,
  43     nvlist_t *errlist);
  44 int dsl_dataset_user_release(nvlist_t *holds, nvlist_t *errlist);
  45 int dsl_dataset_get_holds(const char *dsname, nvlist_t *nvl);
  46 void dsl_dataset_user_release_tmp(struct dsl_pool *dp, nvlist_t *holds);

  47 int dsl_dataset_user_hold_check_one(struct dsl_dataset *ds, const char *htag,
  48     boolean_t temphold, struct dmu_tx *tx);
  49 void dsl_dataset_user_hold_sync_one(struct dsl_dataset *ds, const char *htag,
  50     minor_t minor, uint64_t now, struct dmu_tx *tx);
  51 
  52 #ifdef  __cplusplus
  53 }
  54 #endif
  55 
  56 #endif /* _SYS_DSL_USERHOLD_H */