[xfs-masters] [patch 1/1] xfs: Fix "nocast type" warnings

[domen@xxxxxxxxxxxx]

From: Victor Fusco <victor@xxxxxxxxxxxxxxxx>


Fix the sparse warning "implicit cast to nocast type"

File/Subsystem:fs/xfs

Signed-off-by: Victor Fusco <victor@xxxxxxxxxxxxxxxx>
Signed-off-by: Domen Puncer <domen@xxxxxxxxxxxx>

--

---
 linux-2.6/kmem.c  |   23 ++++++++++++-----------
 linux-2.6/kmem.h  |   23 ++++++++++++-----------
 xfs_log_recover.c |    2 +-
 3 files changed, 25 insertions(+), 23 deletions(-)

Index: quilt/fs/xfs/linux-2.6/kmem.c
===================================================================
--- quilt.orig/fs/xfs/linux-2.6/kmem.c
+++ quilt/fs/xfs/linux-2.6/kmem.c
@@ -45,11 +45,11 @@
 
 
 void *
-kmem_alloc(size_t size, int flags)
+kmem_alloc(size_t size, unsigned int __nocast flags)
 {
-       int     retries = 0;
-       int     lflags = kmem_flags_convert(flags);
-       void    *ptr;
+       int             retries = 0;
+       unsigned int    lflags = kmem_flags_convert(flags);
+       void            *ptr;
 
        do {
                if (size < MAX_SLAB_SIZE || retries > MAX_VMALLOCS)
@@ -67,7 +67,7 @@ kmem_alloc(size_t size, int flags)
 }
 
 void *
-kmem_zalloc(size_t size, int flags)
+kmem_zalloc(size_t size, unsigned int __nocast flags)
 {
        void    *ptr;
 
@@ -89,7 +89,8 @@ kmem_free(void *ptr, size_t size)
 }
 
 void *
-kmem_realloc(void *ptr, size_t newsize, size_t oldsize, int flags)
+kmem_realloc(void *ptr, size_t newsize, size_t oldsize,
+            unsigned int __nocast flags)
 {
        void    *new;
 
@@ -104,11 +105,11 @@ kmem_realloc(void *ptr, size_t newsize, 
 }
 
 void *
-kmem_zone_alloc(kmem_zone_t *zone, int flags)
+kmem_zone_alloc(kmem_zone_t *zone, unsigned int __nocast flags)
 {
-       int     retries = 0;
-       int     lflags = kmem_flags_convert(flags);
-       void    *ptr;
+       int             retries = 0;
+       unsigned int    lflags = kmem_flags_convert(flags);
+       void            *ptr;
 
        do {
                ptr = kmem_cache_alloc(zone, lflags);
@@ -123,7 +124,7 @@ kmem_zone_alloc(kmem_zone_t *zone, int f
 }
 
 void *
-kmem_zone_zalloc(kmem_zone_t *zone, int flags)
+kmem_zone_zalloc(kmem_zone_t *zone, unsigned int __nocast flags)
 {
        void    *ptr;
 
Index: quilt/fs/xfs/linux-2.6/kmem.h
===================================================================
--- quilt.orig/fs/xfs/linux-2.6/kmem.h
+++ quilt/fs/xfs/linux-2.6/kmem.h
@@ -39,10 +39,10 @@
 /*
  * memory management routines
  */
-#define KM_SLEEP       0x0001
-#define KM_NOSLEEP     0x0002
-#define KM_NOFS                0x0004
-#define KM_MAYFAIL     0x0008
+#define KM_SLEEP       0x0001u
+#define KM_NOSLEEP     0x0002u
+#define KM_NOFS                0x0004u
+#define KM_MAYFAIL     0x0008u
 
 #define        kmem_zone       kmem_cache_s
 #define kmem_zone_t    kmem_cache_t
@@ -81,9 +81,9 @@ typedef unsigned long xfs_pflags_t;
        *(NSTATEP) = *(OSTATEP);        \
 } while (0)
 
-static __inline unsigned int kmem_flags_convert(int flags)
+static __inline unsigned int kmem_flags_convert(unsigned int __nocast flags)
 {
-       int     lflags = __GFP_NOWARN;  /* we'll report problems, if need be */
+       unsigned int    lflags = __GFP_NOWARN;  /* we'll report problems, if 
need be */
 
 #ifdef DEBUG
        if (unlikely(flags & ~(KM_SLEEP|KM_NOSLEEP|KM_NOFS|KM_MAYFAIL))) {
@@ -125,12 +125,13 @@ kmem_zone_destroy(kmem_zone_t *zone)
                BUG();
 }
 
-extern void        *kmem_zone_zalloc(kmem_zone_t *, int);
-extern void        *kmem_zone_alloc(kmem_zone_t *, int);
+extern void        *kmem_zone_zalloc(kmem_zone_t *, unsigned int __nocast);
+extern void        *kmem_zone_alloc(kmem_zone_t *, unsigned int __nocast);
 
-extern void        *kmem_alloc(size_t, int);
-extern void        *kmem_realloc(void *, size_t, size_t, int);
-extern void        *kmem_zalloc(size_t, int);
+extern void        *kmem_alloc(size_t, unsigned int __nocast);
+extern void        *kmem_realloc(void *, size_t, size_t,
+                                 unsigned int __nocast);
+extern void        *kmem_zalloc(size_t, unsigned int __nocast);
 extern void         kmem_free(void *, size_t);
 
 typedef struct shrinker *kmem_shaker_t;
Index: quilt/fs/xfs/xfs_log_recover.c
===================================================================
--- quilt.orig/fs/xfs/xfs_log_recover.c
+++ quilt/fs/xfs/xfs_log_recover.c
@@ -1387,7 +1387,7 @@ xlog_recover_add_to_cont_trans(
        old_ptr = item->ri_buf[item->ri_cnt-1].i_addr;
        old_len = item->ri_buf[item->ri_cnt-1].i_len;
 
-       ptr = kmem_realloc(old_ptr, len+old_len, old_len, 0);
+       ptr = kmem_realloc(old_ptr, len+old_len, old_len, 0u);
        memcpy(&ptr[old_len], dp, len); /* d, s, l */
        item->ri_buf[item->ri_cnt-1].i_len += len;
        item->ri_buf[item->ri_cnt-1].i_addr = ptr;

--