diff options
Diffstat (limited to 'xlators/performance/io-cache/src/io-cache.h')
| -rw-r--r-- | xlators/performance/io-cache/src/io-cache.h | 437 |
1 files changed, 201 insertions, 236 deletions
diff --git a/xlators/performance/io-cache/src/io-cache.h b/xlators/performance/io-cache/src/io-cache.h index 63c2609ec7f..14923c75edc 100644 --- a/xlators/performance/io-cache/src/io-cache.h +++ b/xlators/performance/io-cache/src/io-cache.h @@ -1,46 +1,29 @@ /* - Copyright (c) 2007-2009 Gluster, Inc. <http://www.gluster.com> + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> This file is part of GlusterFS. - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. */ #ifndef __IO_CACHE_H #define __IO_CACHE_H -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - #include <sys/types.h> -#include "compat-errno.h" - -#include "glusterfs.h" -#include "logging.h" -#include "dict.h" -#include "xlator.h" -#include "common-utils.h" -#include "call-stub.h" -#include "rbthash.h" -#include "hashfn.h" +#include <glusterfs/compat-errno.h> + +#include <glusterfs/glusterfs.h> +#include <glusterfs/dict.h> +#include <glusterfs/call-stub.h> +#include <glusterfs/rbthash.h> #include <sys/time.h> #include <fnmatch.h> +#include "io-cache-messages.h" -#define IOC_PAGE_SIZE (1024 * 128) /* 128KB */ -#define IOC_CACHE_SIZE (32 * 1024 * 1024) +#define IOC_PAGE_SIZE (1024 * 128) /* 128KB */ +#define IOC_CACHE_SIZE (32 * 1024 * 1024) #define IOC_PAGE_TABLE_BUCKET_COUNT 1 struct ioc_table; @@ -49,130 +32,135 @@ struct ioc_page; struct ioc_inode; struct ioc_priority { - struct list_head list; - char *pattern; - uint32_t priority; + struct list_head list; + char *pattern; + uint32_t priority; }; /* - * ioc_waitq - this structure is used to represents the waiting + * ioc_waitq - this structure is used to represents the waiting * frames on a page * * @next: pointer to next object in waitq * @data: pointer to the frame which is waiting */ struct ioc_waitq { - struct ioc_waitq *next; - void *data; - off_t pending_offset; - size_t pending_size; + struct ioc_waitq *next; + void *data; + off_t pending_offset; + size_t pending_size; }; /* - * ioc_fill - + * ioc_fill - * */ struct ioc_fill { - struct list_head list; /* list of ioc_fill structures of a frame */ - off_t offset; - size_t size; - struct iovec *vector; - int32_t count; - struct iobref *iobref; + struct list_head list; /* list of ioc_fill structures of a frame */ + off_t offset; + size_t size; + struct iovec *vector; + int32_t count; + struct iobref *iobref; }; struct ioc_local { - mode_t mode; - int32_t flags; - loc_t file_loc; - off_t offset; - size_t size; - int32_t op_ret; - int32_t op_errno; - struct list_head fill_list; /* list of ioc_fill structures */ - off_t pending_offset; /* - * offset from this frame should - * continue - */ - size_t pending_size; /* - * size of data this frame is waiting - * on - */ - struct ioc_inode *inode; - int32_t wait_count; - pthread_mutex_t local_lock; - struct ioc_waitq *waitq; - void *stub; - fd_t *fd; - int32_t need_xattr; - dict_t *xattr_req; + mode_t mode; + int32_t flags; + loc_t file_loc; + off_t offset; + size_t size; + int32_t op_ret; + int32_t op_errno; + struct list_head fill_list; /* list of ioc_fill structures */ + off_t pending_offset; /* + * offset from this frame should + * continue + */ + size_t pending_size; /* + * size of data this frame is waiting + * on + */ + struct ioc_inode *inode; + int32_t wait_count; + pthread_mutex_t local_lock; + struct ioc_waitq *waitq; + void *stub; + fd_t *fd; + struct iovec *vector; + struct iobref *iobref; + int32_t need_xattr; + dict_t *xattr_req; }; /* - * ioc_page - structure to store page of data from file + * ioc_page - structure to store page of data from file * */ struct ioc_page { - struct list_head page_lru; - struct ioc_inode *inode; /* inode this page belongs to */ - struct ioc_priority *priority; - char dirty; - char ready; - struct iovec *vector; - int32_t count; - off_t offset; - size_t size; - struct ioc_waitq *waitq; - struct iobref *iobref; - pthread_mutex_t page_lock; + struct list_head page_lru; + struct ioc_inode *inode; /* inode this page belongs to */ + struct ioc_priority *priority; + char dirty; + char ready; + struct iovec *vector; + int32_t count; + off_t offset; + size_t size; + struct ioc_waitq *waitq; + struct iobref *iobref; + pthread_mutex_t page_lock; + int32_t op_errno; + char stale; }; struct ioc_cache { - rbthash_table_t *page_table; - struct list_head page_lru; - uint32_t mtime; /* - * seconds component of file mtime on - * server - */ - uint32_t mtime_nsec; /* nanosecond component of file mtime - * on server - */ - struct timeval tv; /* - * time-stamp at last re-validate - */ + rbthash_table_t *page_table; + struct list_head page_lru; + time_t mtime; /* + * seconds component of file mtime + */ + time_t mtime_nsec; /* + * nanosecond component of file mtime + */ + time_t last_revalidate; /* timestamp at last re-validate */ }; struct ioc_inode { - struct ioc_table *table; - struct ioc_cache cache; - struct list_head inode_list; /* - * list of inodes, maintained by - * io-cache translator - */ - struct list_head inode_lru; - struct ioc_waitq *waitq; - pthread_mutex_t inode_lock; - uint32_t weight; /* - * weight of the inode, increases - * on each read - */ + struct ioc_table *table; + off_t ia_size; + struct ioc_cache cache; + struct list_head inode_list; /* + * list of inodes, maintained by + * io-cache translator + */ + struct list_head inode_lru; + struct ioc_waitq *waitq; + pthread_mutex_t inode_lock; + uint32_t weight; /* + * weight of the inode, increases + * on each read + */ + inode_t *inode; }; struct ioc_table { - uint64_t page_size; - uint64_t cache_size; - uint64_t cache_used; - struct list_head inodes; /* list of inodes cached */ - struct list_head active; - struct list_head *inode_lru; - struct list_head priority_list; - int32_t readv_count; - pthread_mutex_t table_lock; - xlator_t *xl; - uint32_t inode_count; - int32_t cache_timeout; - int32_t max_pri; - struct mem_pool *mem_pool; + uint64_t page_size; + uint64_t cache_size; + uint64_t cache_used; + uint64_t min_file_size; + uint64_t max_file_size; + struct list_head inodes; /* list of inodes cached */ + struct list_head active; + struct list_head *inode_lru; + struct list_head priority_list; + int32_t readv_count; + pthread_mutex_t table_lock; + xlator_t *xl; + uint32_t inode_count; + int32_t cache_timeout; + int32_t max_pri; + struct mem_pool *mem_pool; }; typedef struct ioc_table ioc_table_t; @@ -183,159 +171,136 @@ typedef struct ioc_waitq ioc_waitq_t; typedef struct ioc_fill ioc_fill_t; void * -str_to_ptr (char *string); +str_to_ptr(char *string); char * -ptr_to_str (void *ptr); +ptr_to_str(void *ptr); -int32_t -ioc_readv_disabled_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iovec *vector, - int32_t count, struct stat *stbuf, - struct iobref *iobref); +int32_t +ioc_readv_disabled_cbk(call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, struct iovec *vector, + int32_t count, struct iatt *stbuf, struct iobref *iobref, + dict_t *xdata); ioc_page_t * -ioc_page_get (ioc_inode_t *ioc_inode, off_t offset); +__ioc_page_get(ioc_inode_t *ioc_inode, off_t offset); ioc_page_t * -ioc_page_create (ioc_inode_t *ioc_inode, off_t offset); +__ioc_page_create(ioc_inode_t *ioc_inode, off_t offset); void -ioc_page_fault (ioc_inode_t *ioc_inode, call_frame_t *frame, fd_t *fd, - off_t offset); +ioc_page_fault(ioc_inode_t *ioc_inode, call_frame_t *frame, fd_t *fd, + off_t offset); void -ioc_wait_on_page (ioc_page_t *page, call_frame_t *frame, off_t offset, - size_t size); +__ioc_wait_on_page(ioc_page_t *page, call_frame_t *frame, off_t offset, + size_t size); ioc_waitq_t * -ioc_page_wakeup (ioc_page_t *page); +__ioc_page_wakeup(ioc_page_t *page, int32_t op_errno); void -ioc_page_flush (ioc_page_t *page); +ioc_page_flush(ioc_page_t *page); ioc_waitq_t * -ioc_page_error (ioc_page_t *page, int32_t op_ret, int32_t op_errno); - -void -ioc_page_purge (ioc_page_t *page); +__ioc_page_error(ioc_page_t *page, int32_t op_ret, int32_t op_errno); void -ioc_frame_return (call_frame_t *frame); +ioc_frame_return(call_frame_t *frame); void -ioc_waitq_return (ioc_waitq_t *waitq); +ioc_waitq_return(ioc_waitq_t *waitq); int32_t -ioc_frame_fill (ioc_page_t *page, call_frame_t *frame, off_t offset, - size_t size); - -#define ioc_inode_lock(ioc_inode) \ - do { \ - gf_log (ioc_inode->table->xl->name, GF_LOG_TRACE, \ - "locked inode(%p)", ioc_inode); \ - pthread_mutex_lock (&ioc_inode->inode_lock); \ - } while (0) - - -#define ioc_inode_unlock(ioc_inode) \ - do { \ - gf_log (ioc_inode->table->xl->name, GF_LOG_TRACE, \ - "unlocked inode(%p)", ioc_inode); \ - pthread_mutex_unlock (&ioc_inode->inode_lock); \ - } while (0) - - -#define ioc_table_lock(table) \ - do { \ - gf_log (table->xl->name, GF_LOG_TRACE, \ - "locked table(%p)", table); \ - pthread_mutex_lock (&table->table_lock); \ - } while (0) - - -#define ioc_table_unlock(table) \ - do { \ - gf_log (table->xl->name, GF_LOG_TRACE, \ - "unlocked table(%p)", table); \ - pthread_mutex_unlock (&table->table_lock); \ - } while (0) - - -#define ioc_local_lock(local) \ - do { \ - gf_log (local->inode->table->xl->name, GF_LOG_TRACE, \ - "locked local(%p)", local); \ - pthread_mutex_lock (&local->local_lock); \ - } while (0) - - -#define ioc_local_unlock(local) \ - do { \ - gf_log (local->inode->table->xl->name, GF_LOG_TRACE, \ - "unlocked local(%p)", local); \ - pthread_mutex_unlock (&local->local_lock); \ - } while (0) - - -#define ioc_page_lock(page) \ - do { \ - gf_log (page->inode->table->xl->name, GF_LOG_TRACE, \ - "locked page(%p)", page); \ - pthread_mutex_lock (&page->page_lock); \ - } while (0) - - -#define ioc_page_unlock(page) \ - do { \ - gf_log (page->inode->table->xl->name, GF_LOG_TRACE, \ - "unlocked page(%p)", page); \ - pthread_mutex_unlock (&page->page_lock); \ - } while (0) - - -static inline uint64_t -time_elapsed (struct timeval *now, - struct timeval *then) -{ - uint64_t sec = now->tv_sec - then->tv_sec; - - if (sec) - return sec; - - return 0; -} +ioc_frame_fill(ioc_page_t *page, call_frame_t *frame, off_t offset, size_t size, + int32_t op_errno); + +#define ioc_inode_lock(ioc_inode) \ + do { \ + gf_msg_trace(ioc_inode->table->xl->name, 0, "locked inode(%p)", \ + ioc_inode); \ + pthread_mutex_lock(&ioc_inode->inode_lock); \ + } while (0) + +#define ioc_inode_unlock(ioc_inode) \ + do { \ + gf_msg_trace(ioc_inode->table->xl->name, 0, "unlocked inode(%p)", \ + ioc_inode); \ + pthread_mutex_unlock(&ioc_inode->inode_lock); \ + } while (0) + +#define ioc_table_lock(table) \ + do { \ + gf_msg_trace(table->xl->name, 0, "locked table(%p)", table); \ + pthread_mutex_lock(&table->table_lock); \ + } while (0) + +#define ioc_table_unlock(table) \ + do { \ + gf_msg_trace(table->xl->name, 0, "unlocked table(%p)", table); \ + pthread_mutex_unlock(&table->table_lock); \ + } while (0) + +#define ioc_local_lock(local) \ + do { \ + gf_msg_trace(local->inode->table->xl->name, 0, "locked local(%p)", \ + local); \ + pthread_mutex_lock(&local->local_lock); \ + } while (0) + +#define ioc_local_unlock(local) \ + do { \ + gf_msg_trace(local->inode->table->xl->name, 0, "unlocked local(%p)", \ + local); \ + pthread_mutex_unlock(&local->local_lock); \ + } while (0) + +#define ioc_page_lock(page) \ + do { \ + gf_msg_trace(page->inode->table->xl->name, 0, "locked page(%p)", \ + page); \ + pthread_mutex_lock(&page->page_lock); \ + } while (0) + +#define ioc_page_unlock(page) \ + do { \ + gf_msg_trace(page->inode->table->xl->name, 0, "unlocked page(%p)", \ + page); \ + pthread_mutex_unlock(&page->page_lock); \ + } while (0) ioc_inode_t * -ioc_inode_search (ioc_table_t *table, inode_t *inode); +ioc_inode_search(ioc_table_t *table, inode_t *inode); -void -ioc_inode_destroy (ioc_inode_t *ioc_inode); +void +ioc_inode_destroy(ioc_inode_t *ioc_inode); + +int32_t +ioc_inode_update(xlator_t *this, inode_t *inode, char *path, + struct iatt *iabuf); ioc_inode_t * -ioc_inode_update (ioc_table_t *table, inode_t *inode, uint32_t weight); +ioc_inode_create(ioc_table_t *table, inode_t *inode, uint32_t weight); -int64_t -ioc_page_destroy (ioc_page_t *page); +int64_t +__ioc_page_destroy(ioc_page_t *page); int64_t -__ioc_inode_flush (ioc_inode_t *ioc_inode); +__ioc_inode_flush(ioc_inode_t *ioc_inode); void -ioc_inode_flush (ioc_inode_t *ioc_inode); +ioc_inode_flush(ioc_inode_t *ioc_inode); void -ioc_inode_wakeup (call_frame_t *frame, ioc_inode_t *ioc_inode, - struct stat *stbuf); +ioc_inode_wakeup(call_frame_t *frame, ioc_inode_t *ioc_inode, + struct iatt *stbuf); int8_t -ioc_cache_still_valid (ioc_inode_t *ioc_inode, struct stat *stbuf); +ioc_cache_still_valid(ioc_inode_t *ioc_inode, struct iatt *stbuf); int32_t -ioc_prune (ioc_table_t *table); +ioc_prune(ioc_table_t *table); int32_t -ioc_need_prune (ioc_table_t *table); +ioc_need_prune(ioc_table_t *table); -inline uint32_t -ioc_hashfn (void *data, int len); #endif /* __IO_CACHE_H */ |