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Diffstat (limited to 'fs/cachefiles/internal.h')
-rw-r--r--fs/cachefiles/internal.h47
1 files changed, 25 insertions, 22 deletions
diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h
index f7c255f9c62..3d50998abf5 100644
--- a/fs/cachefiles/internal.h
+++ b/fs/cachefiles/internal.h
@@ -9,6 +9,13 @@
* 2 of the Licence, or (at your option) any later version.
*/
+#ifdef pr_fmt
+#undef pr_fmt
+#endif
+
+#define pr_fmt(fmt) "CacheFiles: " fmt
+
+
#include <linux/fscache-cache.h>
#include <linux/timer.h>
#include <linux/wait.h>
@@ -23,6 +30,8 @@ extern unsigned cachefiles_debug;
#define CACHEFILES_DEBUG_KLEAVE 2
#define CACHEFILES_DEBUG_KDEBUG 4
+#define cachefiles_gfp (__GFP_WAIT | __GFP_NORETRY | __GFP_NOMEMALLOC)
+
/*
* node records
*/
@@ -34,6 +43,7 @@ struct cachefiles_object {
loff_t i_size; /* object size */
unsigned long flags;
#define CACHEFILES_OBJECT_ACTIVE 0 /* T if marked active */
+#define CACHEFILES_OBJECT_BURIED 1 /* T if preemptively buried */
atomic_t usage; /* object usage count */
uint8_t type; /* object type */
uint8_t new; /* T if object new */
@@ -232,6 +242,7 @@ extern int cachefiles_set_object_xattr(struct cachefiles_object *object,
struct cachefiles_xattr *auxdata);
extern int cachefiles_update_object_xattr(struct cachefiles_object *object,
struct cachefiles_xattr *auxdata);
+extern int cachefiles_check_auxdata(struct cachefiles_object *object);
extern int cachefiles_check_object_xattr(struct cachefiles_object *object,
struct cachefiles_xattr *auxdata);
extern int cachefiles_remove_object_xattr(struct cachefiles_cache *cache,
@@ -241,11 +252,10 @@ extern int cachefiles_remove_object_xattr(struct cachefiles_cache *cache,
/*
* error handling
*/
-#define kerror(FMT, ...) printk(KERN_ERR "CacheFiles: "FMT"\n", ##__VA_ARGS__)
#define cachefiles_io_error(___cache, FMT, ...) \
do { \
- kerror("I/O Error: " FMT, ##__VA_ARGS__); \
+ pr_err("I/O Error: " FMT, ##__VA_ARGS__); \
fscache_io_error(&(___cache)->cache); \
set_bit(CACHEFILES_DEAD, &(___cache)->flags); \
} while (0)
@@ -266,13 +276,6 @@ do { \
#define dbgprintk(FMT, ...) \
printk(KERN_DEBUG "[%-6.6s] "FMT"\n", current->comm, ##__VA_ARGS__)
-/* make sure we maintain the format strings, even when debugging is disabled */
-static inline void _dbprintk(const char *fmt, ...)
- __attribute__((format(printf, 1, 2)));
-static inline void _dbprintk(const char *fmt, ...)
-{
-}
-
#define kenter(FMT, ...) dbgprintk("==> %s("FMT")", __func__, ##__VA_ARGS__)
#define kleave(FMT, ...) dbgprintk("<== %s()"FMT"", __func__, ##__VA_ARGS__)
#define kdebug(FMT, ...) dbgprintk(FMT, ##__VA_ARGS__)
@@ -303,9 +306,9 @@ do { \
} while (0)
#else
-#define _enter(FMT, ...) _dbprintk("==> %s("FMT")", __func__, ##__VA_ARGS__)
-#define _leave(FMT, ...) _dbprintk("<== %s()"FMT"", __func__, ##__VA_ARGS__)
-#define _debug(FMT, ...) _dbprintk(FMT, ##__VA_ARGS__)
+#define _enter(FMT, ...) no_printk("==> %s("FMT")", __func__, ##__VA_ARGS__)
+#define _leave(FMT, ...) no_printk("<== %s()"FMT"", __func__, ##__VA_ARGS__)
+#define _debug(FMT, ...) no_printk(FMT, ##__VA_ARGS__)
#endif
#if 1 /* defined(__KDEBUGALL) */
@@ -313,8 +316,8 @@ do { \
#define ASSERT(X) \
do { \
if (unlikely(!(X))) { \
- printk(KERN_ERR "\n"); \
- printk(KERN_ERR "CacheFiles: Assertion failed\n"); \
+ pr_err("\n"); \
+ pr_err("Assertion failed\n"); \
BUG(); \
} \
} while (0)
@@ -322,9 +325,9 @@ do { \
#define ASSERTCMP(X, OP, Y) \
do { \
if (unlikely(!((X) OP (Y)))) { \
- printk(KERN_ERR "\n"); \
- printk(KERN_ERR "CacheFiles: Assertion failed\n"); \
- printk(KERN_ERR "%lx " #OP " %lx is false\n", \
+ pr_err("\n"); \
+ pr_err("Assertion failed\n"); \
+ pr_err("%lx " #OP " %lx is false\n", \
(unsigned long)(X), (unsigned long)(Y)); \
BUG(); \
} \
@@ -333,8 +336,8 @@ do { \
#define ASSERTIF(C, X) \
do { \
if (unlikely((C) && !(X))) { \
- printk(KERN_ERR "\n"); \
- printk(KERN_ERR "CacheFiles: Assertion failed\n"); \
+ pr_err("\n"); \
+ pr_err("Assertion failed\n"); \
BUG(); \
} \
} while (0)
@@ -342,9 +345,9 @@ do { \
#define ASSERTIFCMP(C, X, OP, Y) \
do { \
if (unlikely((C) && !((X) OP (Y)))) { \
- printk(KERN_ERR "\n"); \
- printk(KERN_ERR "CacheFiles: Assertion failed\n"); \
- printk(KERN_ERR "%lx " #OP " %lx is false\n", \
+ pr_err("\n"); \
+ pr_err("Assertion failed\n"); \
+ pr_err("%lx " #OP " %lx is false\n", \
(unsigned long)(X), (unsigned long)(Y)); \
BUG(); \
} \