diff options
Diffstat (limited to 'xlators/performance/io-cache/src/io-cache.h')
| -rw-r--r-- | xlators/performance/io-cache/src/io-cache.h | 48 |
1 files changed, 18 insertions, 30 deletions
diff --git a/xlators/performance/io-cache/src/io-cache.h b/xlators/performance/io-cache/src/io-cache.h index 5d0526440..46d758a66 100644 --- a/xlators/performance/io-cache/src/io-cache.h +++ b/xlators/performance/io-cache/src/io-cache.h @@ -1,20 +1,11 @@ /* - Copyright (c) 2007-2010 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 Affero 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 - Affero General Public License for more details. - - You should have received a copy of the GNU Affero 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 @@ -84,7 +75,6 @@ struct ioc_fill { struct ioc_local { mode_t mode; int32_t flags; - int32_t wbflags; loc_t file_loc; off_t offset; size_t size; @@ -126,6 +116,8 @@ struct ioc_page { struct ioc_waitq *waitq; struct iobref *iobref; pthread_mutex_t page_lock; + int32_t op_errno; + char stale; }; struct ioc_cache { @@ -157,14 +149,15 @@ struct ioc_inode { * 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; - int64_t min_file_size; - int64_t max_file_size; + 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; @@ -195,32 +188,29 @@ 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); + 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); void -ioc_wait_on_page (ioc_page_t *page, call_frame_t *frame, off_t offset, +__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_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); @@ -230,7 +220,7 @@ 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); + size_t size, int32_t op_errno); #define ioc_inode_lock(ioc_inode) \ do { \ @@ -318,7 +308,7 @@ ioc_inode_t * ioc_inode_update (ioc_table_t *table, inode_t *inode, uint32_t weight); int64_t -ioc_page_destroy (ioc_page_t *page); +__ioc_page_destroy (ioc_page_t *page); int64_t __ioc_inode_flush (ioc_inode_t *ioc_inode); @@ -339,6 +329,4 @@ ioc_prune (ioc_table_t *table); int32_t ioc_need_prune (ioc_table_t *table); -inline uint32_t -ioc_hashfn (void *data, int len); #endif /* __IO_CACHE_H */ |