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| author | Colin Cross <ccross@android.com> | 2011-07-12 20:10:37 -0700 |
|---|---|---|
| committer | Colin Cross <ccross@android.com> | 2011-07-12 20:10:37 -0700 |
| commit | 75c56a81116e51c5cf15c0641906d0745188cd16 (patch) | |
| tree | c1d8e7def5bbb099a39d5e9ccfb13508ea5ca46a /include/linux/fscache.h | |
| parent | b4294d618e8a19bb47826e51ae52b9fb2fe05f80 (diff) | |
| parent | 620917de59eeb934b9f8cf35cc2d95c1ac8ed0fc (diff) | |
Merge commit 'v3.0-rc7' into android-3.0
Diffstat (limited to 'include/linux/fscache.h')
| -rw-r--r-- | include/linux/fscache.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/fscache.h b/include/linux/fscache.h index 7c4d72f5581..9ec20dec335 100644 --- a/include/linux/fscache.h +++ b/include/linux/fscache.h @@ -204,6 +204,8 @@ extern bool __fscache_check_page_write(struct fscache_cookie *, struct page *); extern void __fscache_wait_on_page_write(struct fscache_cookie *, struct page *); extern bool __fscache_maybe_release_page(struct fscache_cookie *, struct page *, gfp_t); +extern void __fscache_uncache_all_inode_pages(struct fscache_cookie *, + struct inode *); /** * fscache_register_netfs - Register a filesystem as desiring caching services @@ -643,4 +645,23 @@ bool fscache_maybe_release_page(struct fscache_cookie *cookie, return false; } +/** + * fscache_uncache_all_inode_pages - Uncache all an inode's pages + * @cookie: The cookie representing the inode's cache object. + * @inode: The inode to uncache pages from. + * + * Uncache all the pages in an inode that are marked PG_fscache, assuming them + * to be associated with the given cookie. + * + * This function may sleep. It will wait for pages that are being written out + * and will wait whilst the PG_fscache mark is removed by the cache. + */ +static inline +void fscache_uncache_all_inode_pages(struct fscache_cookie *cookie, + struct inode *inode) +{ + if (fscache_cookie_valid(cookie)) + __fscache_uncache_all_inode_pages(cookie, inode); +} + #endif /* _LINUX_FSCACHE_H */ |