X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=inline;f=lib%2Fpagecache.h;h=0f99446ed4e10af2e373f4ba61dab49aec6f35dd;hb=ae9721feabb6690778d9bc6751f6a6f434cdbeaf;hp=7598f3459b80eedf9256cf738c3347e0a4c0bbd8;hpb=7da4760cfac317e4ee8fcc564c04135f7e5ac08b;p=libucw.git

diff --git a/lib/pagecache.h b/lib/pagecache.h
index 7598f345..0f99446e 100644
--- a/lib/pagecache.h
+++ b/lib/pagecache.h
@@ -1,7 +1,7 @@
 /*
  *	Sherlock Library -- File Page Cache
  *
- *	(c) 1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
+ *	(c) 1999--2002 Martin Mares <mj@ucw.cz>
  */
 
 #ifndef _SHERLOCK_PAGECACHE_H
@@ -14,7 +14,8 @@ struct page_cache;
 struct page {
   node n;				/* Node in page list */
   node hn;				/* Node in hash table */
-  sh_off_t key;				/* Lower bits contain file handle */
+  sh_off_t pos;
+  uns fd;
   uns flags;
   uns lock_count;
   byte data[0];
@@ -30,9 +31,9 @@ void pgc_flush(struct page_cache *);				/* Write all unwritten pages */
 void pgc_cleanup(struct page_cache *);				/* Deallocate all unused buffers */
 struct page *pgc_read(struct page_cache *, int fd, sh_off_t);	/* Read page and lock it */
 struct page *pgc_get(struct page_cache *, int fd, sh_off_t);	/* Get page for writing */
+struct page *pgc_get_zero(struct page_cache *, int fd, sh_off_t); /* ... and clear it */
 void pgc_put(struct page_cache *, struct page *);		/* Release page */
 void pgc_mark_dirty(struct page_cache *, struct page *);	/* Mark locked page as dirty */
 byte *pgc_read_data(struct page_cache *, int fd, sh_off_t, uns *);	/* Partial reading */
-sh_off_t pgc_page_pos(struct page_cache *, struct page *);	/* Get page position */
 
 #endif