/* * V9FS cache definitions. * * Copyright (C) 2009 by Abhishek Kulkarni * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. * * This program 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, write to: * Free Software Foundation * 51 Franklin Street, Fifth Floor * Boston, MA 02111-1301 USA * */ #ifndef _9P_CACHE_H #define _9P_CACHE_H #ifdef CONFIG_9P_FSCACHE #include #include extern struct fscache_netfs v9fs_cache_netfs; extern const struct fscache_cookie_def v9fs_cache_session_index_def; extern const struct fscache_cookie_def v9fs_cache_inode_index_def; extern void v9fs_cache_session_get_cookie(struct v9fs_session_info *v9ses); extern void v9fs_cache_session_put_cookie(struct v9fs_session_info *v9ses); extern void v9fs_cache_inode_get_cookie(struct inode *inode); extern void v9fs_cache_inode_put_cookie(struct inode *inode); extern void v9fs_cache_inode_flush_cookie(struct inode *inode); extern void v9fs_cache_inode_set_cookie(struct inode *inode, struct file *filp); extern void v9fs_cache_inode_reset_cookie(struct inode *inode); extern int __v9fs_cache_register(void); extern void __v9fs_cache_unregister(void); extern int __v9fs_fscache_release_page(struct page *page, gfp_t gfp); extern void __v9fs_fscache_invalidate_page(struct page *page); extern int __v9fs_readpage_from_fscache(struct inode *inode, struct page *page); extern int __v9fs_readpages_from_fscache(struct inode *inode, struct address_space *mapping, struct list_head *pages, unsigned *nr_pages); extern void __v9fs_readpage_to_fscache(struct inode *inode, struct page *page); extern void __v9fs_fscache_wait_on_page_write(struct inode *inode, struct page *page); static inline int v9fs_fscache_release_page(struct page *page, gfp_t gfp) { return __v9fs_fscache_release_page(page, gfp); } static inline void v9fs_fscache_invalidate_page(struct page *page) { __v9fs_fscache_invalidate_page(page); } static inline int v9fs_readpage_from_fscache(struct inode *inode, struct page *page) { return __v9fs_readpage_from_fscache(inode, page); } static inline int v9fs_readpages_from_fscache(struct inode *inode, struct address_space *mapping, struct list_head *pages, unsigned *nr_pages) { return __v9fs_readpages_from_fscache(inode, mapping, pages, nr_pages); } static inline void v9fs_readpage_to_fscache(struct inode *inode, struct page *page) { if (PageFsCache(page)) __v9fs_readpage_to_fscache(inode, page); } static inline void v9fs_uncache_page(struct inode *inode, struct page *page) { struct v9fs_inode *v9inode = V9FS_I(inode); fscache_uncache_page(v9inode->fscache, page); BUG_ON(PageFsCache(page)); } static inline void v9fs_fscache_wait_on_page_write(struct inode *inode, struct page *page) { return __v9fs_fscache_wait_on_page_write(inode, page); } #else /* CONFIG_9P_FSCACHE */ static inline void v9fs_cache_inode_get_cookie(struct inode *inode) { } static inline void v9fs_cache_inode_put_cookie(struct inode *inode) { } static inline void v9fs_cache_inode_set_cookie(struct inode *inode, struct file *file) { } static inline int v9fs_fscache_release_page(struct page *page, gfp_t gfp) { return 1; } static inline void v9fs_fscache_invalidate_page(struct page *page) {} static inline int v9fs_readpage_from_fscache(struct inode *inode, struct page *page) { return -ENOBUFS; } static inline int v9fs_readpages_from_fscache(struct inode *inode, struct address_space *mapping, struct list_head *pages, unsigned *nr_pages) { return -ENOBUFS; } static inline void v9fs_readpage_to_fscache(struct inode *inode, struct page *page) {} static inline void v9fs_uncache_page(struct inode *inode, struct page *page) {} static inline void v9fs_fscache_wait_on_page_write(struct inode *inode, struct page *page) { return; } #endif /* CONFIG_9P_FSCACHE */ #endif /* _9P_CACHE_H */ ue='9'>9space:mode:
authorBhumika Goyal <bhumirks@gmail.com>2017-01-25 00:54:07 +0530
committerDan Williams <dan.j.williams@intel.com>2017-01-31 18:16:30 -0800
commit970d14e3989160ee9e97c7d75ecbc893fd29dab9 (patch)
tree4a731cac4efedb17f86a912ec56c151d26792abe /include/dt-bindings/interrupt-controller/mips-gic.h
parent7a308bb3016f57e5be11a677d15b821536419d36 (diff)
nvdimm: constify device_type structures
Declare device_type structure as const as it is only stored in the type field of a device structure. This field is of type const, so add const to declaration of device_type structure. File size before: text data bss dec hex filename 19278 3199 16 22493 57dd nvdimm/namespace_devs.o File size after: text data bss dec hex filename 19929 3160 16 23105 5a41 nvdimm/namespace_devs.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'include/dt-bindings/interrupt-controller/mips-gic.h')