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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-02-28 17:04:02 +0530 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@gmail.com> | 2011-03-15 09:57:39 -0500 |
| commit | a78ce05d5d342297b66122eda8add4eefa21f8a8 (patch) | |
| tree | 84b9b4009ba0279ffbbc79382bbdbc6f168f23d8 /fs/9p/cache.h | |
| parent | a12119087bd803d3fa0b067ee18497e2e5d064cd (diff) | |
| download | linux-3.10-a78ce05d5d342297b66122eda8add4eefa21f8a8.tar.gz linux-3.10-a78ce05d5d342297b66122eda8add4eefa21f8a8.tar.bz2 linux-3.10-a78ce05d5d342297b66122eda8add4eefa21f8a8.zip | |
fs/9p: Add v9fs_inode
Switch to the fscache code to v9fs_inode. We will later use
v9fs_inode in cache=loose mode to track the inode cache
validity timeout. Ie if we find an inode in cache older
that a specific jiffie range we will consider it stale
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'fs/9p/cache.h')
| -rw-r--r-- | fs/9p/cache.h | 54 |
1 files changed, 7 insertions, 47 deletions
diff --git a/fs/9p/cache.h b/fs/9p/cache.h index ec16fcdc3a6..049507a5b01 100644 --- a/fs/9p/cache.h +++ b/fs/9p/cache.h @@ -25,20 +25,6 @@ #include <linux/fscache.h> #include <linux/spinlock.h> -extern struct kmem_cache *vcookie_cache; - -struct v9fs_cookie { - spinlock_t lock; - struct inode inode; - struct fscache_cookie *fscache; - struct p9_qid *qid; -}; - -static inline struct v9fs_cookie *v9fs_inode2cookie(const struct inode *inode) -{ - return container_of(inode, struct v9fs_cookie, inode); -} - 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; @@ -66,21 +52,6 @@ extern int __v9fs_readpages_from_fscache(struct inode *inode, 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); -/** - * v9fs_cache_register - Register v9fs file system with the cache - */ -static inline int v9fs_cache_register(void) -{ - return __v9fs_cache_register(); -} - -/** - * v9fs_cache_unregister - Unregister v9fs from the cache - */ -static inline void v9fs_cache_unregister(void) -{ - __v9fs_cache_unregister(); -} static inline int v9fs_fscache_release_page(struct page *page, gfp_t gfp) @@ -117,18 +88,18 @@ static inline void v9fs_readpage_to_fscache(struct inode *inode, static inline void v9fs_uncache_page(struct inode *inode, struct page *page) { - struct v9fs_cookie *vcookie = v9fs_inode2cookie(inode); - fscache_uncache_page(vcookie->fscache, page); + struct v9fs_inode *v9inode = V9FS_I(inode); + fscache_uncache_page(v9inode->fscache, page); BUG_ON(PageFsCache(page)); } -static inline void v9fs_vcookie_set_qid(struct inode *inode, +static inline void v9fs_fscache_set_key(struct inode *inode, struct p9_qid *qid) { - struct v9fs_cookie *vcookie = v9fs_inode2cookie(inode); - spin_lock(&vcookie->lock); - vcookie->qid = qid; - spin_unlock(&vcookie->lock); + struct v9fs_inode *v9inode = V9FS_I(inode); + spin_lock(&v9inode->fscache_lock); + v9inode->fscache_key = qid; + spin_unlock(&v9inode->fscache_lock); } static inline void v9fs_fscache_wait_on_page_write(struct inode *inode, @@ -139,13 +110,6 @@ static inline void v9fs_fscache_wait_on_page_write(struct inode *inode, #else /* CONFIG_9P_FSCACHE */ -static inline int v9fs_cache_register(void) -{ - return 1; -} - -static inline void v9fs_cache_unregister(void) {} - static inline int v9fs_fscache_release_page(struct page *page, gfp_t gfp) { return 1; @@ -174,10 +138,6 @@ static inline void v9fs_readpage_to_fscache(struct inode *inode, static inline void v9fs_uncache_page(struct inode *inode, struct page *page) {} -static inline void v9fs_vcookie_set_qid(struct inode *inode, - struct p9_qid *qid) -{} - static inline void v9fs_fscache_wait_on_page_write(struct inode *inode, struct page *page) { |