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Subject[PATCH v4 7/8] debugfs: allow access to signed values
debugfs: allow access to signed values

Add debugfs_create_s{8,16,32,64}. For these to work properly, we need to remove
a cast in libfs, change the simple_attr_open prototype and thus fix the users as
well.
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Mattias Nissler <mattias.nissler@gmx.de>
To: Greg Kroah-Hartman <gregkh@suse.de>
To: Arnd Bergmann <arndb@de.ibm.com>
To: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
---
This version addresses last Johannes' concerns.

---
arch/powerpc/platforms/cell/spufs/file.c | 48 ++++----
fs/debugfs/file.c | 186 +++++++++++++++++++++++++++++--
fs/libfs.c | 23 ++-
include/linux/debugfs.h | 38 ++++++
include/linux/fs.h | 25 ++--
lib/fault-inject.c | 11 +
6 files changed, 268 insertions(+), 63 deletions(-)
Index: wireless-2.6/fs/debugfs/file.c
===================================================================
--- wireless-2.6.orig/fs/debugfs/file.c
+++ wireless-2.6/fs/debugfs/file.c
@@ -56,11 +56,11 @@ const struct inode_operations debugfs_li
.follow_link = debugfs_follow_link,
};

-static void debugfs_u8_set(void *data, u64 val)
+static void debugfs_u8_set(void *data, unsigned long long val)
{
*(u8 *)data = val;
}
-static u64 debugfs_u8_get(void *data)
+static unsigned long long debugfs_u8_get(void *data)
{
return *(u8 *)data;
}
@@ -97,11 +97,11 @@ struct dentry *debugfs_create_u8(const c
}
EXPORT_SYMBOL_GPL(debugfs_create_u8);

-static void debugfs_u16_set(void *data, u64 val)
+static void debugfs_u16_set(void *data, unsigned long long val)
{
*(u16 *)data = val;
}
-static u64 debugfs_u16_get(void *data)
+static unsigned long long debugfs_u16_get(void *data)
{
return *(u16 *)data;
}
@@ -138,11 +138,11 @@ struct dentry *debugfs_create_u16(const
}
EXPORT_SYMBOL_GPL(debugfs_create_u16);

-static void debugfs_u32_set(void *data, u64 val)
+static void debugfs_u32_set(void *data, unsigned long long val)
{
*(u32 *)data = val;
}
-static u64 debugfs_u32_get(void *data)
+static unsigned long long debugfs_u32_get(void *data)
{
return *(u32 *)data;
}
@@ -179,12 +179,12 @@ struct dentry *debugfs_create_u32(const
}
EXPORT_SYMBOL_GPL(debugfs_create_u32);

-static void debugfs_u64_set(void *data, u64 val)
+static void debugfs_u64_set(void *data, unsigned long long val)
{
*(u64 *)data = val;
}

-static u64 debugfs_u64_get(void *data)
+static unsigned long long debugfs_u64_get(void *data)
{
return *(u64 *)data;
}
@@ -221,6 +221,172 @@ struct dentry *debugfs_create_u64(const
}
EXPORT_SYMBOL_GPL(debugfs_create_u64);

+
+static void debugfs_s8_set(void *data, unsigned long long val)
+{
+ *(s8 *)data = val;
+}
+static unsigned long long debugfs_s8_get(void *data)
+{
+ return *(s8 *)data;
+}
+DEFINE_SIMPLE_ATTRIBUTE(fops_s8, debugfs_s8_get, debugfs_s8_set, "%lld\n");
+
+/**
+ * debugfs_create_s8 - create a debugfs file that is used to read and write a signed 8-bit value
+ * @name: a pointer to a string containing the name of the file to create.
+ * @mode: the permission that the file should have
+ * @parent: a pointer to the parent dentry for this file. This should be a
+ * directory dentry if set. If this parameter is %NULL, then the
+ * file will be created in the root of the debugfs filesystem.
+ * @value: a pointer to the variable that the file should read to and write
+ * from.
+ *
+ * This function creates a file in debugfs with the given name that
+ * contains the value of the variable @value. If the @mode variable is so
+ * set, it can be read from, and written to.
+ *
+ * This function will return a pointer to a dentry if it succeeds. This
+ * pointer must be passed to the debugfs_remove() function when the file is
+ * to be removed (no automatic cleanup happens if your module is unloaded,
+ * you are responsible here.) If an error occurs, %NULL will be returned.
+ *
+ * If debugfs is not enabled in the kernel, the value -%ENODEV will be
+ * returned. It is not wise to check for this value, but rather, check for
+ * %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling
+ * code.
+ */
+struct dentry *debugfs_create_s8(const char *name, mode_t mode,
+ struct dentry *parent, s8 *value)
+{
+ return debugfs_create_file(name, mode, parent, value, &fops_s8);
+}
+EXPORT_SYMBOL_GPL(debugfs_create_s8);
+
+static void debugfs_s16_set(void *data, unsigned long long val)
+{
+ *(s16 *)data = val;
+}
+static unsigned long long debugfs_s16_get(void *data)
+{
+ return *(s16 *)data;
+}
+DEFINE_SIMPLE_ATTRIBUTE(fops_s16, debugfs_s16_get, debugfs_s16_set, "%lld\n");
+
+/**
+ * debugfs_create_s16 - create a debugfs file that is used to read and write a signed 16-bit value
+ * @name: a pointer to a string containing the name of the file to create.
+ * @mode: the permission that the file should have
+ * @parent: a pointer to the parent dentry for this file. This should be a
+ * directory dentry if set. If this parameter is %NULL, then the
+ * file will be created in the root of the debugfs filesystem.
+ * @value: a pointer to the variable that the file should read to and write
+ * from.
+ *
+ * This function creates a file in debugfs with the given name that
+ * contains the value of the variable @value. If the @mode variable is so
+ * set, it can be read from, and written to.
+ *
+ * This function will return a pointer to a dentry if it succeeds. This
+ * pointer must be passed to the debugfs_remove() function when the file is
+ * to be removed (no automatic cleanup happens if your module is unloaded,
+ * you are responsible here.) If an error occurs, %NULL will be returned.
+ *
+ * If debugfs is not enabled in the kernel, the value -%ENODEV will be
+ * returned. It is not wise to check for this value, but rather, check for
+ * %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling
+ * code.
+ */
+struct dentry *debugfs_create_s16(const char *name, mode_t mode,
+ struct dentry *parent, s16 *value)
+{
+ return debugfs_create_file(name, mode, parent, value, &fops_s16);
+}
+EXPORT_SYMBOL_GPL(debugfs_create_s16);
+
+static void debugfs_s32_set(void *data, unsigned long long val)
+{
+ *(s32 *)data = val;
+}
+static unsigned long long debugfs_s32_get(void *data)
+{
+ return *(s32 *)data;
+}
+DEFINE_SIMPLE_ATTRIBUTE(fops_s32, debugfs_s32_get, debugfs_s32_set, "%lld\n");
+
+/**
+ * debugfs_create_s32 - create a debugfs file that is used to read and write a signed 32-bit value
+ * @name: a pointer to a string containing the name of the file to create.
+ * @mode: the permission that the file should have
+ * @parent: a pointer to the parent dentry for this file. This should be a
+ * directory dentry if set. If this parameter is %NULL, then the
+ * file will be created in the root of the debugfs filesystem.
+ * @value: a pointer to the variable that the file should read to and write
+ * from.
+ *
+ * This function creates a file in debugfs with the given name that
+ * contains the value of the variable @value. If the @mode variable is so
+ * set, it can be read from, and written to.
+ *
+ * This function will return a pointer to a dentry if it succeeds. This
+ * pointer must be passed to the debugfs_remove() function when the file is
+ * to be removed (no automatic cleanup happens if your module is unloaded,
+ * you are responsible here.) If an error occurs, %NULL will be returned.
+ *
+ * If debugfs is not enabled in the kernel, the value -%ENODEV will be
+ * returned. It is not wise to check for this value, but rather, check for
+ * %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling
+ * code.
+ */
+struct dentry *debugfs_create_s32(const char *name, mode_t mode,
+ struct dentry *parent, s32 *value)
+{
+ return debugfs_create_file(name, mode, parent, value, &fops_s32);
+}
+EXPORT_SYMBOL_GPL(debugfs_create_s32);
+
+static void debugfs_s64_set(void *data, unsigned long long val)
+{
+ *(s64 *)data = val;
+}
+
+static unsigned long long debugfs_s64_get(void *data)
+{
+ return *(s64 *)data;
+}
+DEFINE_SIMPLE_ATTRIBUTE(fops_s64, debugfs_s64_get, debugfs_s64_set, "%lld\n");
+
+/**
+ * debugfs_create_s64 - create a debugfs file that is used to read and write a signed 64-bit value
+ * @name: a pointer to a string containing the name of the file to create.
+ * @mode: the permission that the file should have
+ * @parent: a pointer to the parent dentry for this file. This should be a
+ * directory dentry if set. If this parameter is %NULL, then the
+ * file will be created in the root of the debugfs filesystem.
+ * @value: a pointer to the variable that the file should read to and write
+ * from.
+ *
+ * This function creates a file in debugfs with the given name that
+ * contains the value of the variable @value. If the @mode variable is so
+ * set, it can be read from, and written to.
+ *
+ * This function will return a pointer to a dentry if it succeeds. This
+ * pointer must be passed to the debugfs_remove() function when the file is
+ * to be removed (no automatic cleanup happens if your module is unloaded,
+ * you are responsible here.) If an error occurs, %NULL will be returned.
+ *
+ * If debugfs is not enabled in the kernel, the value -%ENODEV will be
+ * returned. It is not wise to check for this value, but rather, check for
+ * %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling
+ * code.
+ */
+struct dentry *debugfs_create_s64(const char *name, mode_t mode,
+ struct dentry *parent, s64 *value)
+{
+ return debugfs_create_file(name, mode, parent, value, &fops_s64);
+}
+EXPORT_SYMBOL_GPL(debugfs_create_s64);
+
DEFINE_SIMPLE_ATTRIBUTE(fops_x8, debugfs_u8_get, debugfs_u8_set, "0x%02llx\n");

DEFINE_SIMPLE_ATTRIBUTE(fops_x16, debugfs_u16_get, debugfs_u16_set, "0x%04llx\n");
@@ -291,7 +457,7 @@ static ssize_t read_file_bool(struct fil
{
char buf[3];
u32 *val = file->private_data;
-
+
if (*val)
buf[0] = 'Y';
else
@@ -324,7 +490,7 @@ static ssize_t write_file_bool(struct fi
*val = 0;
break;
}
-
+
return count;
}

Index: wireless-2.6/fs/libfs.c
===================================================================
--- wireless-2.6.orig/fs/libfs.c
+++ wireless-2.6/fs/libfs.c
@@ -59,7 +59,7 @@ int simple_sync_file(struct file * file,
{
return 0;
}
-
+
int dcache_dir_open(struct inode *inode, struct file *file)
{
static struct qstr cursor_name = {.len = 1, .name = "."};
@@ -160,9 +160,9 @@ int dcache_readdir(struct file * filp, v
continue;

spin_unlock(&dcache_lock);
- if (filldir(dirent, next->d_name.name,
- next->d_name.len, filp->f_pos,
- next->d_inode->i_ino,
+ if (filldir(dirent, next->d_name.name,
+ next->d_name.len, filp->f_pos,
+ next->d_inode->i_ino,
dt_type(next->d_inode)) < 0)
return 0;
spin_lock(&dcache_lock);
@@ -586,10 +586,10 @@ int simple_transaction_release(struct in
/* Simple attribute files */

struct simple_attr {
- u64 (*get)(void *);
- void (*set)(void *, u64);
- char get_buf[24]; /* enough to store a u64 and "\n\0" */
- char set_buf[24];
+ unsigned long long (*get)(void *);
+ void (*set)(void *, unsigned long long);
+ char get_buf[sizeof(unsigned long long) + 2]; /* ULL + "\n\0" */
+ char set_buf[sizeof(unsigned long long) + 2];
void *data;
const char *fmt; /* format for read operation */
struct mutex mutex; /* protects access to these buffers */
@@ -598,7 +598,8 @@ struct simple_attr {
/* simple_attr_open is called by an actual attribute open file operation
* to set the attribute specific access operations. */
int simple_attr_open(struct inode *inode, struct file *file,
- u64 (*get)(void *), void (*set)(void *, u64),
+ unsigned long long (*get)(void *),
+ void (*set)(void *, unsigned long long),
const char *fmt)
{
struct simple_attr *attr;
@@ -643,7 +644,7 @@ ssize_t simple_attr_read(struct file *fi
else /* first read */
size = scnprintf(attr->get_buf, sizeof(attr->get_buf),
attr->fmt,
- (unsigned long long)attr->get(attr->data));
+ attr->get(attr->data));

ret = simple_read_from_buffer(buf, len, ppos, attr->get_buf, size);
mutex_unlock(&attr->mutex);
@@ -655,7 +656,7 @@ ssize_t simple_attr_write(struct file *f
size_t len, loff_t *ppos)
{
struct simple_attr *attr;
- u64 val;
+ unsigned long long val;
size_t size;
ssize_t ret;

Index: wireless-2.6/include/linux/debugfs.h
===================================================================
--- wireless-2.6.orig/include/linux/debugfs.h
+++ wireless-2.6/include/linux/debugfs.h
@@ -49,6 +49,14 @@ struct dentry *debugfs_create_u32(const
struct dentry *parent, u32 *value);
struct dentry *debugfs_create_u64(const char *name, mode_t mode,
struct dentry *parent, u64 *value);
+struct dentry *debugfs_create_s8(const char *name, mode_t mode,
+ struct dentry *parent, s8 *value);
+struct dentry *debugfs_create_s16(const char *name, mode_t mode,
+ struct dentry *parent, s16 *value);
+struct dentry *debugfs_create_s32(const char *name, mode_t mode,
+ struct dentry *parent, s32 *value);
+struct dentry *debugfs_create_s64(const char *name, mode_t mode,
+ struct dentry *parent, s64 *value);
struct dentry *debugfs_create_x8(const char *name, mode_t mode,
struct dentry *parent, u8 *value);
struct dentry *debugfs_create_x16(const char *name, mode_t mode,
@@ -65,7 +73,7 @@ struct dentry *debugfs_create_blob(const

#include <linux/err.h>

-/*
+/*
* We do not return NULL from these functions if CONFIG_DEBUG_FS is not enabled
* so users have a chance to detect if there was a real error or not. We don't
* want to duplicate the design decision mistakes of procfs and devfs again.
@@ -128,6 +136,34 @@ static inline struct dentry *debugfs_cre
return ERR_PTR(-ENODEV);
}

+static inline struct dentry *debugfs_create_s8(const char *name, mode_t mode,
+ struct dentry *parent,
+ u8 *value)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_s16(const char *name, mode_t mode,
+ struct dentry *parent,
+ s16 *value)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_s32(const char *name, mode_t mode,
+ struct dentry *parent,
+ s32 *value)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_s64(const char *name, mode_t mode,
+ struct dentry *parent,
+ s64 *value)
+{
+ return ERR_PTR(-ENODEV);
+}
+
static inline struct dentry *debugfs_create_x8(const char *name, mode_t mode,
struct dentry *parent,
u8 *value)
Index: wireless-2.6/arch/powerpc/platforms/cell/spufs/file.c
===================================================================
--- wireless-2.6.orig/arch/powerpc/platforms/cell/spufs/file.c
+++ wireless-2.6/arch/powerpc/platforms/cell/spufs/file.c
@@ -286,10 +286,10 @@ static int spufs_cntl_mmap(struct file *
#define spufs_cntl_mmap NULL
#endif /* !SPUFS_MMAP_4K */

-static u64 spufs_cntl_get(void *data)
+static unsigned long long spufs_cntl_get(void *data)
{
struct spu_context *ctx = data;
- u64 val;
+ unsigned long long val;

spu_acquire(ctx);
val = ctx->ops->status_read(ctx);
@@ -298,7 +298,7 @@ static u64 spufs_cntl_get(void *data)
return val;
}

-static void spufs_cntl_set(void *data, u64 val)
+static void spufs_cntl_set(void *data, unsigned long long val)
{
struct spu_context *ctx = data;

@@ -1086,10 +1086,10 @@ static const struct file_operations spuf
#define SPU_ATTR_ACQUIRE_SAVED 2

#define DEFINE_SPUFS_ATTRIBUTE(__name, __get, __set, __fmt, __acquire) \
-static u64 __##__get(void *data) \
+static unsigned long long __##__get(void *data) \
{ \
struct spu_context *ctx = data; \
- u64 ret; \
+ unsigned long long ret; \
\
if (__acquire == SPU_ATTR_ACQUIRE) { \
spu_acquire(ctx); \
@@ -1106,7 +1106,7 @@ static u64 __##__get(void *data) \
} \
DEFINE_SIMPLE_ATTRIBUTE(__name, __##__get, __set, __fmt);

-static void spufs_signal1_type_set(void *data, u64 val)
+static void spufs_signal1_type_set(void *data, unsigned long long val)
{
struct spu_context *ctx = data;

@@ -1115,7 +1115,7 @@ static void spufs_signal1_type_set(void
spu_release(ctx);
}

-static u64 spufs_signal1_type_get(struct spu_context *ctx)
+static unsigned long long spufs_signal1_type_get(struct spu_context *ctx)
{
return ctx->ops->signal1_type_get(ctx);
}
@@ -1123,7 +1123,7 @@ DEFINE_SPUFS_ATTRIBUTE(spufs_signal1_typ
spufs_signal1_type_set, "%llu", SPU_ATTR_ACQUIRE);


-static void spufs_signal2_type_set(void *data, u64 val)
+static void spufs_signal2_type_set(void *data, unsigned long long val)
{
struct spu_context *ctx = data;

@@ -1132,7 +1132,7 @@ static void spufs_signal2_type_set(void
spu_release(ctx);
}

-static u64 spufs_signal2_type_get(struct spu_context *ctx)
+static unsigned long long spufs_signal2_type_get(struct spu_context *ctx)
{
return ctx->ops->signal2_type_get(ctx);
}
@@ -1605,7 +1605,7 @@ static const struct file_operations spuf
.mmap = spufs_mfc_mmap,
};

-static void spufs_npc_set(void *data, u64 val)
+static void spufs_npc_set(void *data, unsigned long long val)
{
struct spu_context *ctx = data;
spu_acquire(ctx);
@@ -1613,14 +1613,14 @@ static void spufs_npc_set(void *data, u6
spu_release(ctx);
}

-static u64 spufs_npc_get(struct spu_context *ctx)
+static unsigned long long spufs_npc_get(struct spu_context *ctx)
{
return ctx->ops->npc_read(ctx);
}
DEFINE_SPUFS_ATTRIBUTE(spufs_npc_ops, spufs_npc_get, spufs_npc_set,
"0x%llx\n", SPU_ATTR_ACQUIRE);

-static void spufs_decr_set(void *data, u64 val)
+static void spufs_decr_set(void *data, unsigned long long val)
{
struct spu_context *ctx = data;
struct spu_lscsa *lscsa = ctx->csa.lscsa;
@@ -1629,7 +1629,7 @@ static void spufs_decr_set(void *data, u
spu_release_saved(ctx);
}

-static u64 spufs_decr_get(struct spu_context *ctx)
+static unsigned long long spufs_decr_get(struct spu_context *ctx)
{
struct spu_lscsa *lscsa = ctx->csa.lscsa;
return lscsa->decr.slot[0];
@@ -1637,7 +1637,7 @@ static u64 spufs_decr_get(struct spu_con
DEFINE_SPUFS_ATTRIBUTE(spufs_decr_ops, spufs_decr_get, spufs_decr_set,
"0x%llx\n", SPU_ATTR_ACQUIRE_SAVED);

-static void spufs_decr_status_set(void *data, u64 val)
+static void spufs_decr_status_set(void *data, unsigned long long val)
{
struct spu_context *ctx = data;
spu_acquire_saved(ctx);
@@ -1648,7 +1648,7 @@ static void spufs_decr_status_set(void *
spu_release_saved(ctx);
}

-static u64 spufs_decr_status_get(struct spu_context *ctx)
+static unsigned long long spufs_decr_status_get(struct spu_context *ctx)
{
if (ctx->csa.priv2.mfc_control_RW & MFC_CNTL_DECREMENTER_RUNNING)
return SPU_DECR_STATUS_RUNNING;
@@ -1659,7 +1659,7 @@ DEFINE_SPUFS_ATTRIBUTE(spufs_decr_status
spufs_decr_status_set, "0x%llx\n",
SPU_ATTR_ACQUIRE_SAVED);

-static void spufs_event_mask_set(void *data, u64 val)
+static void spufs_event_mask_set(void *data, unsigned long long val)
{
struct spu_context *ctx = data;
struct spu_lscsa *lscsa = ctx->csa.lscsa;
@@ -1668,7 +1668,7 @@ static void spufs_event_mask_set(void *d
spu_release_saved(ctx);
}

-static u64 spufs_event_mask_get(struct spu_context *ctx)
+static unsigned long long spufs_event_mask_get(struct spu_context *ctx)
{
struct spu_lscsa *lscsa = ctx->csa.lscsa;
return lscsa->event_mask.slot[0];
@@ -1678,7 +1678,7 @@ DEFINE_SPUFS_ATTRIBUTE(spufs_event_mask_
spufs_event_mask_set, "0x%llx\n",
SPU_ATTR_ACQUIRE_SAVED);

-static u64 spufs_event_status_get(struct spu_context *ctx)
+static unsigned long long spufs_event_status_get(struct spu_context *ctx)
{
struct spu_state *state = &ctx->csa;
u64 stat;
@@ -1690,7 +1690,7 @@ static u64 spufs_event_status_get(struct
DEFINE_SPUFS_ATTRIBUTE(spufs_event_status_ops, spufs_event_status_get,
NULL, "0x%llx\n", SPU_ATTR_ACQUIRE_SAVED)

-static void spufs_srr0_set(void *data, u64 val)
+static void spufs_srr0_set(void *data, unsigned long long val)
{
struct spu_context *ctx = data;
struct spu_lscsa *lscsa = ctx->csa.lscsa;
@@ -1699,7 +1699,7 @@ static void spufs_srr0_set(void *data, u
spu_release_saved(ctx);
}

-static u64 spufs_srr0_get(struct spu_context *ctx)
+static unsigned long long spufs_srr0_get(struct spu_context *ctx)
{
struct spu_lscsa *lscsa = ctx->csa.lscsa;
return lscsa->srr0.slot[0];
@@ -1707,7 +1707,7 @@ static u64 spufs_srr0_get(struct spu_con
DEFINE_SPUFS_ATTRIBUTE(spufs_srr0_ops, spufs_srr0_get, spufs_srr0_set,
"0x%llx\n", SPU_ATTR_ACQUIRE_SAVED)

-static u64 spufs_id_get(struct spu_context *ctx)
+static unsigned long long spufs_id_get(struct spu_context *ctx)
{
u64 num;

@@ -1721,13 +1721,13 @@ static u64 spufs_id_get(struct spu_conte
DEFINE_SPUFS_ATTRIBUTE(spufs_id_ops, spufs_id_get, NULL, "0x%llx\n",
SPU_ATTR_ACQUIRE)

-static u64 spufs_object_id_get(struct spu_context *ctx)
+static unsigned long long spufs_object_id_get(struct spu_context *ctx)
{
/* FIXME: Should there really be no locking here? */
return ctx->object_id;
}

-static void spufs_object_id_set(void *data, u64 id)
+static void spufs_object_id_set(void *data, unsigned long long id)
{
struct spu_context *ctx = data;
ctx->object_id = id;
@@ -1736,7 +1736,7 @@ static void spufs_object_id_set(void *da
DEFINE_SPUFS_ATTRIBUTE(spufs_object_id_ops, spufs_object_id_get,
spufs_object_id_set, "0x%llx\n", SPU_ATTR_NOACQUIRE);

-static u64 spufs_lslr_get(struct spu_context *ctx)
+static unsigned long long spufs_lslr_get(struct spu_context *ctx)
{
return ctx->csa.priv2.spu_lslr_RW;
}
Index: wireless-2.6/include/linux/fs.h
===================================================================
--- wireless-2.6.orig/include/linux/fs.h
+++ wireless-2.6/include/linux/fs.h
@@ -15,8 +15,8 @@
* nr_file rlimit, so it's safe to set up a ridiculously high absolute
* upper limit on files-per-process.
*
- * Some programs (notably those using select()) may have to be
- * recompiled to take full advantage of the new limits..
+ * Some programs (notably those using select()) may have to be
+ * recompiled to take full advantage of the new limits..
*/

/* Fixed constants first: */
@@ -90,7 +90,7 @@ extern int dir_notify_enable;
#define SEL_EX 4

/* public flags for file_system_type */
-#define FS_REQUIRES_DEV 1
+#define FS_REQUIRES_DEV 1
#define FS_BINARY_MOUNTDATA 2
#define FS_HAS_SUBTYPE 4
#define FS_REVAL_DOT 16384 /* Check the paths ".", ".." for staleness */
@@ -365,7 +365,7 @@ struct iattr {
*/
#include <linux/quota.h>

-/**
+/**
* enum positive_aop_returns - aop return codes with specific semantics
*
* @AOP_WRITEPAGE_ACTIVATE: Informs the caller that page writeback has
@@ -375,7 +375,7 @@ struct iattr {
* be a candidate for writeback again in the near
* future. Other callers must be careful to unlock
* the page if they get this return. Returned by
- * writepage();
+ * writepage();
*
* @AOP_TRUNCATED_PAGE: The AOP method that was handed a locked page has
* unlocked it and the page might have been truncated.
@@ -818,10 +818,10 @@ extern spinlock_t files_lock;

#define MAX_NON_LFS ((1UL<<31) - 1)

-/* Page cache limit. The filesystems should put that into their s_maxbytes
- limits, otherwise bad things can happen in VM. */
+/* Page cache limit. The filesystems should put that into their s_maxbytes
+ limits, otherwise bad things can happen in VM. */
#if BITS_PER_LONG==32
-#define MAX_LFS_FILESIZE (((u64)PAGE_CACHE_SIZE << (BITS_PER_LONG-1))-1)
+#define MAX_LFS_FILESIZE (((u64)PAGE_CACHE_SIZE << (BITS_PER_LONG-1))-1)
#elif BITS_PER_LONG==64
#define MAX_LFS_FILESIZE 0x7fffffffffffffffUL
#endif
@@ -1240,7 +1240,7 @@ struct super_operations {
void (*destroy_inode)(struct inode *);

void (*read_inode) (struct inode *);
-
+
void (*dirty_inode) (struct inode *);
int (*write_inode) (struct inode *, int);
void (*put_inode) (struct inode *);
@@ -1719,7 +1719,7 @@ extern int may_open(struct nameidata *,

extern int kernel_read(struct file *, unsigned long, char *, unsigned long);
extern struct file * open_exec(const char *);
-
+
/* fs/dcache.c -- generic fs support functions */
extern int is_subdir(struct dentry *, struct dentry *);
extern ino_t find_inode_number(struct dentry *, struct qstr *);
@@ -1753,7 +1753,7 @@ extern void unlock_new_inode(struct inod
static inline struct inode *iget(struct super_block *sb, unsigned long ino)
{
struct inode *inode = iget_locked(sb, ino);
-
+
if (inode && (inode->i_state & I_NEW)) {
sb->s_op->read_inode(inode);
unlock_new_inode(inode);
@@ -2062,7 +2062,8 @@ __simple_attr_check_format(const char *f
}

int simple_attr_open(struct inode *inode, struct file *file,
- u64 (*get)(void *), void (*set)(void *, u64),
+ unsigned long long (*get)(void *),
+ void (*set)(void *, unsigned long long),
const char *fmt);
int simple_attr_close(struct inode *inode, struct file *file);
ssize_t simple_attr_read(struct file *file, char __user *buf,
Index: wireless-2.6/lib/fault-inject.c
===================================================================
--- wireless-2.6.orig/lib/fault-inject.c
+++ wireless-2.6/lib/fault-inject.c
@@ -134,13 +134,14 @@ bool should_fail(struct fault_attr *attr

#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS

-static void debugfs_ul_set(void *data, u64 val)
+static void debugfs_ul_set(void *data, unsigned long long val)
{
*(unsigned long *)data = val;
}

#ifdef CONFIG_FAULT_INJECTION_STACKTRACE_FILTER
-static void debugfs_ul_set_MAX_STACK_TRACE_DEPTH(void *data, u64 val)
+static void debugfs_ul_set_MAX_STACK_TRACE_DEPTH(void *data,
+ unsigned long long val)
{
*(unsigned long *)data =
val < MAX_STACK_TRACE_DEPTH ?
@@ -148,7 +149,7 @@ static void debugfs_ul_set_MAX_STACK_TRA
}
#endif /* CONFIG_FAULT_INJECTION_STACKTRACE_FILTER */

-static u64 debugfs_ul_get(void *data)
+static unsigned long long debugfs_ul_get(void *data)
{
return *(unsigned long *)data;
}
@@ -174,12 +175,12 @@ static struct dentry *debugfs_create_ul_
}
#endif /* CONFIG_FAULT_INJECTION_STACKTRACE_FILTER */

-static void debugfs_atomic_t_set(void *data, u64 val)
+static void debugfs_atomic_t_set(void *data, unsigned long long val)
{
atomic_set((atomic_t *)data, val);
}

-static u64 debugfs_atomic_t_get(void *data)
+static unsigned long long debugfs_atomic_t_get(void *data)
{
return atomic_read((atomic_t *)data);
}


--
Ciao
Stefano


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