Store pages from an CIFS inode into the data storage object associated with
that inode.
Signed-off-by: Suresh Jayaraman <sjayaraman@xxxxxxx>
---
fs/cifs/file.c | 7 +++++++
fs/cifs/fscache.c | 11 +++++++++++
fs/cifs/fscache.h | 11 +++++++++++
3 files changed, 29 insertions(+)
Index: cifs-2.6/fs/cifs/file.c
===================================================================
--- cifs-2.6.orig/fs/cifs/file.c
+++ cifs-2.6/fs/cifs/file.c
@@ -1948,6 +1948,9 @@ static void cifs_copy_cache_pages(struct
SetPageUptodate(page);
unlock_page(page);
data += PAGE_CACHE_SIZE;
+
+ /* add page to FS-Cache */
+ cifs_readpage_to_fscache(mapping->host, page);
}
return;
}
@@ -2117,6 +2120,10 @@ static int cifs_readpage_worker(struct f
flush_dcache_page(page);
SetPageUptodate(page);
+
+ /* send this page to the cache */
+ cifs_readpage_to_fscache(file->f_path.dentry->d_inode, page);
+
rc = 0;
io_error:
Index: cifs-2.6/fs/cifs/fscache.c
===================================================================
--- cifs-2.6.orig/fs/cifs/fscache.c
+++ cifs-2.6/fs/cifs/fscache.c
@@ -140,6 +140,17 @@ int cifs_fscache_release_page(struct pag
return 1;
}
+void __cifs_readpage_to_fscache(struct inode *inode, struct page *page)
+{
+ int ret;
+
+ cFYI(1, "CIFS: readpage_to_fscache(fsc: %p, p: %p, i: %p",
+ CIFS_I(inode)->fscache, page, inode);
+ ret = fscache_write_page(CIFS_I(inode)->fscache, page, GFP_KERNEL);
+ if (ret != 0)
+ fscache_uncache_page(CIFS_I(inode)->fscache, page);
+}
+
void __cifs_fscache_invalidate_page(struct page *page, struct inode *inode)
{
struct cifsInodeInfo *cifsi = CIFS_I(inode);
Index: cifs-2.6/fs/cifs/fscache.h
===================================================================
--- cifs-2.6.orig/fs/cifs/fscache.h
+++ cifs-2.6/fs/cifs/fscache.h
@@ -51,6 +51,8 @@ extern void cifs_fscache_reset_inode_coo
extern void __cifs_fscache_invalidate_page(struct page *, struct inode *);
extern int cifs_fscache_release_page(struct page *page, gfp_t gfp);
+extern void __cifs_readpage_to_fscache(struct inode *, struct page *);
+
static inline void cifs_fscache_invalidate_page(struct page *page,
struct inode *inode)
{
@@ -58,6 +60,13 @@ static inline void cifs_fscache_invalida
__cifs_fscache_invalidate_page(page, inode);
}
+static inline void cifs_readpage_to_fscache(struct inode *inode,
+ struct page *page)
+{
+ if (PageFsCache(page))
+ __cifs_readpage_to_fscache(inode, page);
+}
+
#else /* CONFIG_CIFS_FSCACHE */
static inline int cifs_fscache_register(void) { return 0; }
static inline void cifs_fscache_unregister(void) {}
@@ -81,6 +90,8 @@ static inline void cifs_fscache_release_
static inline int cifs_fscache_invalidate_page(struct page *page,
struct inode *) {}
+static inline void cifs_readpage_to_fscache(struct inode *inode,
+ struct page *page) {}
#endif /* CONFIG_CIFS_FSCACHE */
--
To unsubscribe from this list: send the line "unsubscribe linux-cifs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
