Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (38 commits)
  direct I/O fallback sync simplification
  ocfs: stop using do_sync_mapping_range
  cleanup blockdev_direct_IO locking
  make generic_acl slightly more generic
  sanitize xattr handler prototypes
  libfs: move EXPORT_SYMBOL for d_alloc_name
  vfs: force reval of target when following LAST_BIND symlinks (try #7)
  ima: limit imbalance msg
  Untangling ima mess, part 3: kill dead code in ima
  Untangling ima mess, part 2: deal with counters
  Untangling ima mess, part 1: alloc_file()
  O_TRUNC open shouldn't fail after file truncation
  ima: call ima_inode_free ima_inode_free
  IMA: clean up the IMA counts updating code
  ima: only insert at inode creation time
  ima: valid return code from ima_inode_alloc
  fs: move get_empty_filp() deffinition to internal.h
  Sanitize exec_permission_lite()
  Kill cached_lookup() and real_lookup()
  Kill path_lookup_open()
  ...

Trivial conflicts in fs/direct-io.c

2 files changed, 35 insertions, 93 deletions

diff --git a/fs/xfs/linux-2.6/xfs_acl.c b/fs/xfs/linux-2.6/xfs_acl.c
index 69e598b6986f..2512125dfa7c 100644
--- a/fs/xfs/linux-2.6/xfs_acl.c
+++ b/fs/xfs/linux-2.6/xfs_acl.c
@@ -354,37 +354,14 @@ xfs_acl_chmod(struct inode *inode)
 	return error;
 }
 
-/*
- * System xattr handlers.
- *
- * Currently Posix ACLs are the only system namespace extended attribute
- * handlers supported by XFS, so we just implement the handlers here.
- * If we ever support other system extended attributes this will need
- * some refactoring.
- */
-
 static int
-xfs_decode_acl(const char *name)
-{
-	if (strcmp(name, "posix_acl_access") == 0)
-		return ACL_TYPE_ACCESS;
-	else if (strcmp(name, "posix_acl_default") == 0)
-		return ACL_TYPE_DEFAULT;
-	return -EINVAL;
-}
-
-static int
-xfs_xattr_system_get(struct inode *inode, const char *name,
-		void *value, size_t size)
+xfs_xattr_acl_get(struct dentry *dentry, const char *name,
+		void *value, size_t size, int type)
 {
 	struct posix_acl *acl;
-	int type, error;
-
-	type = xfs_decode_acl(name);
-	if (type < 0)
-		return type;
+	int error;
 
-	acl = xfs_get_acl(inode, type);
+	acl = xfs_get_acl(dentry->d_inode, type);
 	if (IS_ERR(acl))
 		return PTR_ERR(acl);
 	if (acl == NULL)
@@ -397,15 +374,13 @@ xfs_xattr_system_get(struct inode *inode, const char *name,
 }
 
 static int
-xfs_xattr_system_set(struct inode *inode, const char *name,
-		const void *value, size_t size, int flags)
+xfs_xattr_acl_set(struct dentry *dentry, const char *name,
+		const void *value, size_t size, int flags, int type)
 {
+	struct inode *inode = dentry->d_inode;
 	struct posix_acl *acl = NULL;
-	int error = 0, type;
+	int error = 0;
 
-	type = xfs_decode_acl(name);
-	if (type < 0)
-		return type;
 	if (flags & XATTR_CREATE)
 		return -EINVAL;
 	if (type == ACL_TYPE_DEFAULT && !S_ISDIR(inode->i_mode))
@@ -462,8 +437,16 @@ xfs_xattr_system_set(struct inode *inode, const char *name,
 	return error;
 }
 
-struct xattr_handler xfs_xattr_system_handler = {
-	.prefix	= XATTR_SYSTEM_PREFIX,
-	.get	= xfs_xattr_system_get,
-	.set	= xfs_xattr_system_set,
+struct xattr_handler xfs_xattr_acl_access_handler = {
+	.prefix	= POSIX_ACL_XATTR_ACCESS,
+	.flags	= ACL_TYPE_ACCESS,
+	.get	= xfs_xattr_acl_get,
+	.set	= xfs_xattr_acl_set,
+};
+
+struct xattr_handler xfs_xattr_acl_default_handler = {
+	.prefix	= POSIX_ACL_XATTR_DEFAULT,
+	.flags	= ACL_TYPE_DEFAULT,
+	.get	= xfs_xattr_acl_get,
+	.set	= xfs_xattr_acl_set,
 };
diff --git a/fs/xfs/linux-2.6/xfs_xattr.c b/fs/xfs/linux-2.6/xfs_xattr.c
index 497c7fb75cc1..0b1878857fc3 100644
--- a/fs/xfs/linux-2.6/xfs_xattr.c
+++ b/fs/xfs/linux-2.6/xfs_xattr.c
@@ -30,10 +30,10 @@
 
 
 static int
-__xfs_xattr_get(struct inode *inode, const char *name,
+xfs_xattr_get(struct dentry *dentry, const char *name,
 		void *value, size_t size, int xflags)
 {
-	struct xfs_inode *ip = XFS_I(inode);
+	struct xfs_inode *ip = XFS_I(dentry->d_inode);
 	int error, asize = size;
 
 	if (strcmp(name, "") == 0)
@@ -52,10 +52,10 @@ __xfs_xattr_get(struct inode *inode, const char *name,
 }
 
 static int
-__xfs_xattr_set(struct inode *inode, const char *name, const void *value,
+xfs_xattr_set(struct dentry *dentry, const char *name, const void *value,
 		size_t size, int flags, int xflags)
 {
-	struct xfs_inode *ip = XFS_I(inode);
+	struct xfs_inode *ip = XFS_I(dentry->d_inode);
 
 	if (strcmp(name, "") == 0)
 		return -EINVAL;
@@ -71,75 +71,34 @@ __xfs_xattr_set(struct inode *inode, const char *name, const void *value,
 	return -xfs_attr_set(ip, name, (void *)value, size, xflags);
 }
 
-static int
-xfs_xattr_user_get(struct inode *inode, const char *name,
-		void *value, size_t size)
-{
-	return __xfs_xattr_get(inode, name, value, size, 0);
-}
-
-static int
-xfs_xattr_user_set(struct inode *inode, const char *name,
-		const void *value, size_t size, int flags)
-{
-	return __xfs_xattr_set(inode, name, value, size, flags, 0);
-}
-
 static struct xattr_handler xfs_xattr_user_handler = {
 	.prefix	= XATTR_USER_PREFIX,
-	.get	= xfs_xattr_user_get,
-	.set	= xfs_xattr_user_set,
+	.flags	= 0, /* no flags implies user namespace */
+	.get	= xfs_xattr_get,
+	.set	= xfs_xattr_set,
 };
 
-
-static int
-xfs_xattr_trusted_get(struct inode *inode, const char *name,
-		void *value, size_t size)
-{
-	return __xfs_xattr_get(inode, name, value, size, ATTR_ROOT);
-}
-
-static int
-xfs_xattr_trusted_set(struct inode *inode, const char *name,
-		const void *value, size_t size, int flags)
-{
-	return __xfs_xattr_set(inode, name, value, size, flags, ATTR_ROOT);
-}
-
 static struct xattr_handler xfs_xattr_trusted_handler = {
 	.prefix	= XATTR_TRUSTED_PREFIX,
-	.get	= xfs_xattr_trusted_get,
-	.set	= xfs_xattr_trusted_set,
+	.flags	= ATTR_ROOT,
+	.get	= xfs_xattr_get,
+	.set	= xfs_xattr_set,
 };
 
-
-static int
-xfs_xattr_secure_get(struct inode *inode, const char *name,
-		void *value, size_t size)
-{
-	return __xfs_xattr_get(inode, name, value, size, ATTR_SECURE);
-}
-
-static int
-xfs_xattr_secure_set(struct inode *inode, const char *name,
-		const void *value, size_t size, int flags)
-{
-	return __xfs_xattr_set(inode, name, value, size, flags, ATTR_SECURE);
-}
-
 static struct xattr_handler xfs_xattr_security_handler = {
 	.prefix	= XATTR_SECURITY_PREFIX,
-	.get	= xfs_xattr_secure_get,
-	.set	= xfs_xattr_secure_set,
+	.flags	= ATTR_SECURE,
+	.get	= xfs_xattr_get,
+	.set	= xfs_xattr_set,
 };
 
-
 struct xattr_handler *xfs_xattr_handlers[] = {
 	&xfs_xattr_user_handler,
 	&xfs_xattr_trusted_handler,
 	&xfs_xattr_security_handler,
 #ifdef CONFIG_XFS_POSIX_ACL
-	&xfs_xattr_system_handler,
+	&xfs_xattr_acl_access_handler,
+	&xfs_xattr_acl_default_handler,
 #endif
 	NULL
 };