Cache bypass: remove ifdefs under src/afs/LINUX

Compile cache bypass code unconditionally under src/afs/LINUX
since it is now always enabled.  Also remove syslog messages
about a "cache bypass patched module" when loading and unloading
the module.

Change-Id: Id83487fe9704c5be8a70fc7c60dfe4d864ab27cf
Reviewed-on: http://gerrit.openafs.org/3373
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
Reviewed-by: Derrick Brashear <shadow@dementia.org>

diff --git a/src/afs/LINUX/osi_module.c b/src/afs/LINUX/osi_module.c
index 28c563d..a7b59d6 100644 (file)
--- a/src/afs/LINUX/osi_module.c
+++ b/src/afs/LINUX/osi_module.c
@@ -80,9 +80,6 @@ afs_init(void)
 #endif
     osi_proc_init();
     osi_ioctl_init();
-#if defined(AFS_CACHE_BYPASS)
-    afs_warn("Cache bypass patched libafs module init.\n");
-#endif
     afs_init_pagecopy();
 
     return 0;
@@ -91,10 +88,6 @@ afs_init(void)
 void __exit
 afs_cleanup(void)
 {
-#if defined(AFS_CACHE_BYPASS)
-    afs_warn("Cache bypass patched libafs module cleaning up.\n");
-#endif
-
     afs_shutdown_pagecopy();
 
 #ifdef LINUX_KEYRING_SUPPORT

diff --git a/src/afs/LINUX/osi_vnodeops.c b/src/afs/LINUX/osi_vnodeops.c
index b479475..c13bfd9 100644 (file)
--- a/src/afs/LINUX/osi_vnodeops.c
+++ b/src/afs/LINUX/osi_vnodeops.c
@@ -33,10 +33,8 @@
 #include <linux/smp_lock.h>
 #include <linux/writeback.h>
 #include <linux/pagevec.h>
-#if defined(AFS_CACHE_BYPASS)
 #include "afs/lock.h"
 #include "afs/afs_bypasscache.h"
-#endif
 
 #include "osi_compat.h"
 #include "osi_pagecopy.h"
@@ -587,9 +585,7 @@ afs_linux_flush(struct file *fp)
     struct vcache *vcp;
     cred_t *credp;
     int code;
-#if defined(AFS_CACHE_BYPASS)
     int bypasscache = 0;
-#endif
 
     AFS_GLOCK();
 
@@ -606,7 +602,6 @@ afs_linux_flush(struct file *fp)
     code = afs_InitReq(&treq, credp);
     if (code)
        goto out;
-#if defined(AFS_CACHE_BYPASS)
     /* If caching is bypassed for this file, or globally, just return 0 */
     if (cache_bypass_strategy == ALWAYS_BYPASS_CACHE)
        bypasscache = 1;
@@ -621,7 +616,6 @@ afs_linux_flush(struct file *fp)
        code = 0;
        goto out;
     }
-#endif
 
     ObtainSharedLock(&vcp->lock, 535);
     if ((vcp->execsOrWriters > 0) && (file_count(fp) == 1)) {
@@ -1402,9 +1396,6 @@ out:
 
 #endif /* USABLE_KERNEL_PAGE_SYMLINK_CACHE */
 
-#if defined(AFS_CACHE_BYPASS)
-#endif /* defined(AFS_CACHE_BYPASS */
-
 /* Populate a page by filling it from the cache file pointed at by cachefp
  * (which contains indicated chunk)
  * If task is NULL, the page copy occurs syncronously, and the routine
@@ -1705,8 +1696,6 @@ afs_linux_prefetch(struct file *fp, struct page *pp)
 
 }
 
-#if defined(AFS_CACHE_BYPASS)
-
 static int
 afs_linux_bypass_readpages(struct file *fp, struct address_space *mapping,
                           struct list_head *page_list, unsigned num_pages)
@@ -1903,21 +1892,6 @@ afs_linux_bypass_check(struct inode *ip) {
     return bypass;
 }
 
-#else
-static inline int
-afs_linux_bypass_check(struct inode *ip) {
-    return 0;
-}
-static inline int
-afs_linux_bypass_readpage(struct file *fp, struct page *pp) {
-    return 0;
-}
-static inline int
-afs_linux_bypass_readpages(struct file *fp, struct address_space *mapping,
-                   struct list_head *page_list, unsigned int num_pages) {
-    return 0;
-}
-#endif
 
 static int
 afs_linux_readpage(struct file *fp, struct page *pp)