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-rw-r--r--include/linux/audit.h5
-rw-r--r--include/linux/configfs.h1
-rw-r--r--include/linux/dcache.h5
-rw-r--r--include/linux/dcookies.h15
-rw-r--r--include/linux/fs.h6
-rw-r--r--include/linux/fs_struct.h10
-rw-r--r--include/linux/ktime.h2
-rw-r--r--include/linux/module.h3
-rw-r--r--include/linux/namei.h11
-rw-r--r--include/linux/nfsd/export.h8
-rw-r--r--include/linux/path.h15
-rw-r--r--include/linux/proc_fs.h2
-rw-r--r--include/linux/seq_file.h5
-rw-r--r--include/linux/slub_def.h15
14 files changed, 57 insertions, 46 deletions
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 97153027207..2af9ec02501 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -534,8 +534,7 @@ extern void audit_log_n_untrustedstring(struct audit_buffer *ab,
const char *string);
extern void audit_log_d_path(struct audit_buffer *ab,
const char *prefix,
- struct dentry *dentry,
- struct vfsmount *vfsmnt);
+ struct path *path);
extern void audit_log_lost(const char *message);
/* Private API (for audit.c only) */
extern int audit_filter_user(struct netlink_skb_parms *cb, int type);
@@ -552,7 +551,7 @@ extern int audit_enabled;
#define audit_log_hex(a,b,l) do { ; } while (0)
#define audit_log_untrustedstring(a,s) do { ; } while (0)
#define audit_log_n_untrustedstring(a,n,s) do { ; } while (0)
-#define audit_log_d_path(b,p,d,v) do { ; } while (0)
+#define audit_log_d_path(b, p, d) do { ; } while (0)
#define audit_enabled 0
#endif
#endif
diff --git a/include/linux/configfs.h b/include/linux/configfs.h
index 8c6967f3fb1..4b287ad9371 100644
--- a/include/linux/configfs.h
+++ b/include/linux/configfs.h
@@ -37,6 +37,7 @@
#ifdef __KERNEL__
+#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/kref.h>
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index c2c153f97e8..6bd646096fa 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -10,6 +10,7 @@
#include <linux/rcupdate.h>
struct nameidata;
+struct path;
struct vfsmount;
/*
@@ -300,8 +301,8 @@ extern int d_validate(struct dentry *, struct dentry *);
*/
extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...);
-extern char * d_path(struct dentry *, struct vfsmount *, char *, int);
-
+extern char *d_path(struct path *, char *, int);
+
/* Allocation counts.. */
/**
diff --git a/include/linux/dcookies.h b/include/linux/dcookies.h
index 98c69ab80c8..24c806f12a6 100644
--- a/include/linux/dcookies.h
+++ b/include/linux/dcookies.h
@@ -13,6 +13,7 @@
#ifdef CONFIG_PROFILING
#include <linux/dcache.h>
+#include <linux/path.h>
#include <linux/types.h>
struct dcookie_user;
@@ -43,8 +44,7 @@ void dcookie_unregister(struct dcookie_user * user);
*
* Returns 0 on success, with *cookie filled in
*/
-int get_dcookie(struct dentry * dentry, struct vfsmount * vfsmnt,
- unsigned long * cookie);
+int get_dcookie(struct path *path, unsigned long *cookie);
#else
@@ -57,13 +57,12 @@ static inline void dcookie_unregister(struct dcookie_user * user)
{
return;
}
-
-static inline int get_dcookie(struct dentry * dentry,
- struct vfsmount * vfsmnt, unsigned long * cookie)
+
+static inline int get_dcookie(struct path *path, unsigned long *cookie)
{
return -ENOSYS;
-}
-
+}
+
#endif /* CONFIG_PROFILING */
-
+
#endif /* DCOOKIES_H */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 18cfbf76ec5..98ffb6ead43 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1284,8 +1284,10 @@ struct super_operations {
*
* I_DIRTY_SYNC Inode is dirty, but doesn't have to be written on
* fdatasync(). i_atime is the usual cause.
- * I_DIRTY_DATASYNC Inode is dirty and must be written on fdatasync(), f.e.
- * because i_size changed.
+ * I_DIRTY_DATASYNC Data-related inode changes pending. We keep track of
+ * these changes separately from I_DIRTY_SYNC so that we
+ * don't have to write inode on fdatasync() when only
+ * mtime has changed in it.
* I_DIRTY_PAGES Inode has dirty pages. Inode itself may be clean.
* I_NEW get_new_inode() sets i_state to I_LOCK|I_NEW. Both
* are cleared by unlock_new_inode(), called from iget().
diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
index 11a36ceddf7..282f5421912 100644
--- a/include/linux/fs_struct.h
+++ b/include/linux/fs_struct.h
@@ -1,15 +1,13 @@
#ifndef _LINUX_FS_STRUCT_H
#define _LINUX_FS_STRUCT_H
-struct dentry;
-struct vfsmount;
+#include <linux/path.h>
struct fs_struct {
atomic_t count;
rwlock_t lock;
int umask;
- struct dentry * root, * pwd, * altroot;
- struct vfsmount * rootmnt, * pwdmnt, * altrootmnt;
+ struct path root, pwd, altroot;
};
#define INIT_FS { \
@@ -22,8 +20,8 @@ extern struct kmem_cache *fs_cachep;
extern void exit_fs(struct task_struct *);
extern void set_fs_altroot(void);
-extern void set_fs_root(struct fs_struct *, struct vfsmount *, struct dentry *);
-extern void set_fs_pwd(struct fs_struct *, struct vfsmount *, struct dentry *);
+extern void set_fs_root(struct fs_struct *, struct path *);
+extern void set_fs_pwd(struct fs_struct *, struct path *);
extern struct fs_struct *copy_fs_struct(struct fs_struct *);
extern void put_fs_struct(struct fs_struct *);
diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 36c542b70c6..2cd7fa73d1a 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -310,6 +310,8 @@ static inline ktime_t ktime_sub_us(const ktime_t kt, const u64 usec)
return ktime_sub_ns(kt, usec * 1000);
}
+extern ktime_t ktime_add_safe(const ktime_t lhs, const ktime_t rhs);
+
/*
* The resolution of the clocks. The resolution value is returned in
* the clock_getres() system call to give application programmers an
diff --git a/include/linux/module.h b/include/linux/module.h
index 330bec08c2c..819c4e889bf 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -567,8 +567,7 @@ static inline void print_modules(void)
{
}
-static inline void module_update_markers(struct module *probe_module,
- int *refcount)
+static inline void module_update_markers(void)
{
}
diff --git a/include/linux/namei.h b/include/linux/namei.h
index c13e411491f..24d88e98a62 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -3,6 +3,7 @@
#include <linux/dcache.h>
#include <linux/linkage.h>
+#include <linux/path.h>
struct vfsmount;
@@ -15,8 +16,7 @@ struct open_intent {
enum { MAX_NESTED_LINKS = 8 };
struct nameidata {
- struct dentry *dentry;
- struct vfsmount *mnt;
+ struct path path;
struct qstr last;
unsigned int flags;
int last_type;
@@ -29,11 +29,6 @@ struct nameidata {
} intent;
};
-struct path {
- struct vfsmount *mnt;
- struct dentry *dentry;
-};
-
/*
* Type of the last component on LOOKUP_PARENT
*/
@@ -71,8 +66,6 @@ extern int __user_walk_fd(int dfd, const char __user *, unsigned, struct nameida
extern int path_lookup(const char *, unsigned, struct nameidata *);
extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
const char *, unsigned int, struct nameidata *);
-extern void path_release(struct nameidata *);
-extern void path_release_on_umount(struct nameidata *);
extern int __user_path_lookup_open(const char __user *, unsigned lookup_flags, struct nameidata *nd, int open_flags);
extern int path_lookup_open(int dfd, const char *name, unsigned lookup_flags, struct nameidata *, int open_flags);
diff --git a/include/linux/nfsd/export.h b/include/linux/nfsd/export.h
index 3a168725136..5431512b275 100644
--- a/include/linux/nfsd/export.h
+++ b/include/linux/nfsd/export.h
@@ -84,9 +84,8 @@ struct svc_export {
struct cache_head h;
struct auth_domain * ex_client;
int ex_flags;
- struct vfsmount * ex_mnt;
- struct dentry * ex_dentry;
- char * ex_path;
+ struct path ex_path;
+ char *ex_pathname;
uid_t ex_anon_uid;
gid_t ex_anon_gid;
int ex_fsid;
@@ -107,8 +106,7 @@ struct svc_expkey {
int ek_fsidtype;
u32 ek_fsid[6];
- struct vfsmount * ek_mnt;
- struct dentry * ek_dentry;
+ struct path ek_path;
};
#define EX_SECURE(exp) (!((exp)->ex_flags & NFSEXP_INSECURE_PORT))
diff --git a/include/linux/path.h b/include/linux/path.h
new file mode 100644
index 00000000000..915e0c382a5
--- /dev/null
+++ b/include/linux/path.h
@@ -0,0 +1,15 @@
+#ifndef _LINUX_PATH_H
+#define _LINUX_PATH_H
+
+struct dentry;
+struct vfsmount;
+
+struct path {
+ struct vfsmount *mnt;
+ struct dentry *dentry;
+};
+
+extern void path_get(struct path *);
+extern void path_put(struct path *);
+
+#endif /* _LINUX_PATH_H */
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index d6a4f69bdc9..d9a9e718ad1 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -269,7 +269,7 @@ extern void kclist_add(struct kcore_list *, void *, size_t);
#endif
union proc_op {
- int (*proc_get_link)(struct inode *, struct dentry **, struct vfsmount **);
+ int (*proc_get_link)(struct inode *, struct path *);
int (*proc_read)(struct task_struct *task, char *page);
int (*proc_show)(struct seq_file *m,
struct pid_namespace *ns, struct pid *pid,
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index 648dfeb444d..67c2563961f 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -8,8 +8,7 @@
struct seq_operations;
struct file;
-struct vfsmount;
-struct dentry;
+struct path;
struct inode;
struct seq_file {
@@ -42,7 +41,7 @@ int seq_puts(struct seq_file *m, const char *s);
int seq_printf(struct seq_file *, const char *, ...)
__attribute__ ((format (printf,2,3)));
-int seq_path(struct seq_file *, struct vfsmount *, struct dentry *, char *);
+int seq_path(struct seq_file *, struct path *, char *);
int single_open(struct file *, int (*)(struct seq_file *, void *), void *);
int single_release(struct inode *, struct file *);
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 5e6d3d634d5..57deecc79d5 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -71,6 +71,7 @@ struct kmem_cache {
/* Allocation and freeing of slabs */
int objects; /* Number of objects in slab */
+ gfp_t allocflags; /* gfp flags to use on each alloc */
int refcount; /* Refcount for slab cache destroy */
void (*ctor)(struct kmem_cache *, void *);
int inuse; /* Offset to metadata */
@@ -110,7 +111,7 @@ struct kmem_cache {
* We keep the general caches in an array of slab caches that are used for
* 2^x bytes of allocations.
*/
-extern struct kmem_cache kmalloc_caches[PAGE_SHIFT];
+extern struct kmem_cache kmalloc_caches[PAGE_SHIFT + 1];
/*
* Sorry that the following has to be that ugly but some versions of GCC
@@ -188,12 +189,16 @@ static __always_inline struct kmem_cache *kmalloc_slab(size_t size)
void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
void *__kmalloc(size_t size, gfp_t flags);
+static __always_inline void *kmalloc_large(size_t size, gfp_t flags)
+{
+ return (void *)__get_free_pages(flags | __GFP_COMP, get_order(size));
+}
+
static __always_inline void *kmalloc(size_t size, gfp_t flags)
{
if (__builtin_constant_p(size)) {
- if (size > PAGE_SIZE / 2)
- return (void *)__get_free_pages(flags | __GFP_COMP,
- get_order(size));
+ if (size > PAGE_SIZE)
+ return kmalloc_large(size, flags);
if (!(flags & SLUB_DMA)) {
struct kmem_cache *s = kmalloc_slab(size);
@@ -214,7 +219,7 @@ void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node)
{
if (__builtin_constant_p(size) &&
- size <= PAGE_SIZE / 2 && !(flags & SLUB_DMA)) {
+ size <= PAGE_SIZE && !(flags & SLUB_DMA)) {
struct kmem_cache *s = kmalloc_slab(size);
if (!s)