diff options
Diffstat (limited to 'libglusterfs/src')
| -rw-r--r-- | libglusterfs/src/libglusterfs.sym | 1 | ||||
| -rw-r--r-- | libglusterfs/src/xlator.c | 101 | ||||
| -rw-r--r-- | libglusterfs/src/xlator.h | 3 | 
3 files changed, 105 insertions, 0 deletions
diff --git a/libglusterfs/src/libglusterfs.sym b/libglusterfs/src/libglusterfs.sym index 4b7dcb6f3e6..d2d25838647 100644 --- a/libglusterfs/src/libglusterfs.sym +++ b/libglusterfs/src/libglusterfs.sym @@ -1101,6 +1101,7 @@ xlator_volopt_dynload  xlator_volume_option_get  xlator_volume_option_get_list  xlator_memrec_free +xlator_mem_cleanup  default_fops  gf_fop_list  gf_upcall_list diff --git a/libglusterfs/src/xlator.c b/libglusterfs/src/xlator.c index ced89c71672..f1ed9236f09 100644 --- a/libglusterfs/src/xlator.c +++ b/libglusterfs/src/xlator.c @@ -980,6 +980,107 @@ xlator_tree_free_memacct (xlator_t *tree)          return 0;  } +static int +xlator_mem_free (xlator_t *xl) +{ +        volume_opt_list_t *vol_opt = NULL; +        volume_opt_list_t *tmp     = NULL; + +        if (!xl) +                return 0; + +        if (xl->options) { +                dict_ref (xl->options); +                dict_unref (xl->options); +                xl->options = NULL; +        } + +        list_for_each_entry_safe (vol_opt, tmp, &xl->volume_options, list) { +                list_del_init (&vol_opt->list); +                GF_FREE (vol_opt); +        } + +        xlator_memrec_free (xl); + +        return 0; +} + +static void +xlator_call_fini (xlator_t *this) { +        if (!this || this->cleanup_starting) +                return; +        this->cleanup_starting = 1; +        this->call_cleanup = 1; +        xlator_call_fini (this->next); +        this->fini (this); +} + +void +xlator_mem_cleanup (xlator_t *this) { +        xlator_list_t     *list         = this->children; +        xlator_t          *trav         = list->xlator; +        inode_table_t     *inode_table  = NULL; +        xlator_t          *prev         = trav; +        glusterfs_ctx_t   *ctx          = NULL; +        xlator_list_t    **trav_p       = NULL; +        xlator_t          *top          = NULL; +        xlator_t          *victim       = NULL; + + +        if (this->call_cleanup || !this->ctx) +                return; + +        this->call_cleanup = 1; +        ctx = this->ctx; + +        xlator_call_fini (trav); + +        while (prev) { +                trav = prev->next; +                xlator_mem_free (prev); +                prev = trav; +        } + +        inode_table = this->itable; +        if (inode_table) { +                inode_table_destroy (inode_table); +                this->itable = NULL; +        } + +        if (this->fini) { +                this->fini (this); +        } + +        xlator_mem_free (this); + +        if (ctx->active) { +                top = ctx->active->first; +                LOCK (&ctx->volfile_lock); +                /* TODO here we have leak for xlator node in a graph */ +                for (trav_p = &top->children; *trav_p; trav_p = &(*trav_p)->next) { +                        victim = (*trav_p)->xlator; +                        if (victim->call_cleanup && !strcmp (victim->name, this->name)) { +                                        (*trav_p) = (*trav_p)->next; +                                        break; +                        } +                } +                /* TODO Sometime brick xlator is not moved from graph so followed below +                   approach to move brick xlator from a graph, will move specific brick +                   xlator from graph only while inode table and mem_acct are cleaned up +                */ +                trav_p = &top->children; +                while (*trav_p) { +                        victim = (*trav_p)->xlator; +                        if (victim->call_cleanup && !victim->itable && !victim->mem_acct) { +                                (*trav_p) = (*trav_p)->next; +                        } else { +                                trav_p = &(*trav_p)->next; +                        } +                } +                UNLOCK (&ctx->volfile_lock); +        } +} +  void  loc_wipe (loc_t *loc)  { diff --git a/libglusterfs/src/xlator.h b/libglusterfs/src/xlator.h index 3c16758e1a9..4f18d1cd2a9 100644 --- a/libglusterfs/src/xlator.h +++ b/libglusterfs/src/xlator.h @@ -1246,4 +1246,7 @@ glusterfs_delete_volfile_checksum (glusterfs_ctx_t *ctx,                                     const char *volfile_id);  int  xlator_memrec_free (xlator_t *xl); + +void +xlator_mem_cleanup (xlator_t *this);  #endif /* _XLATOR_H */  | 
