---

yaml
---
r: 131767
b: refs/heads/master
c: 0af80c0
h: refs/heads/master
i:
  131765: 2c83ae5
  131763: f14fee3
  131759: c985c5b
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0b0a0806b0d8635e046bf533225a25903b1cddce
+refs/heads/master: 0af80c04e2f2e45ae09fceb17df8050f828a5c40

trunk/Documentation/kernel-parameters.txt

@@ -868,8 +868,10 @@ and is between 256 and 4096 characters. It is defined in the file
 	icn=		[HW,ISDN]
 			Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]]
 
-	ide=		[HW] (E)IDE subsystem
-			Format: ide=nodma or ide=doubler
+	ide-core.nodma=	[HW] (E)IDE subsystem
+			Format: =0.0 to prevent dma on hda, =0.1 hdb =1.0 hdc
+			.vlb_clock .pci_clock .noflush .noprobe .nowerr .cdrom
+			.chs .ignore_cable are additional options
 			See Documentation/ide/ide.txt.
 
 	idebus=		[HW] (E)IDE subsystem - VLB/PCI bus speed

trunk/drivers/ide/Kconfig

@@ -46,7 +46,7 @@ menuconfig IDE
 	  SMART parameters from disk drives.
 
 	  To compile this driver as a module, choose M here: the
-	  module will be called ide.
+	  module will be called ide-core.ko.
 
 	  For further information, please read <file:Documentation/ide/ide.txt>.
 

trunk/drivers/ide/ide.c

@@ -337,6 +337,7 @@ static int ide_set_dev_param_mask(const char *s, struct kernel_param *kp)
 	int a, b, i, j = 1;
 	unsigned int *dev_param_mask = (unsigned int *)kp->arg;
 
+	/* controller . device (0 or 1) [ : 1 (set) | 0 (clear) ] */
 	if (sscanf(s, "%d.%d:%d", &a, &b, &j) != 3 &&
 	    sscanf(s, "%d.%d", &a, &b) != 2)
 		return -EINVAL;
@@ -349,7 +350,7 @@ static int ide_set_dev_param_mask(const char *s, struct kernel_param *kp)
 	if (j)
 		*dev_param_mask |= (1 << i);
 	else
-		*dev_param_mask &= (1 << i);
+		*dev_param_mask &= ~(1 << i);
 
 	return 0;
 }
@@ -392,6 +393,8 @@ static int ide_set_disk_chs(const char *str, struct kernel_param *kp)
 {
 	int a, b, c = 0, h = 0, s = 0, i, j = 1;
 
+	/* controller . device (0 or 1) : Cylinders , Heads , Sectors */
+	/* controller . device (0 or 1) : 1 (use CHS) | 0 (ignore CHS) */
 	if (sscanf(str, "%d.%d:%d,%d,%d", &a, &b, &c, &h, &s) != 5 &&
 	    sscanf(str, "%d.%d:%d", &a, &b, &j) != 3)
 		return -EINVAL;
@@ -407,7 +410,7 @@ static int ide_set_disk_chs(const char *str, struct kernel_param *kp)
 	if (j)
 		ide_disks |= (1 << i);
 	else
-		ide_disks &= (1 << i);
+		ide_disks &= ~(1 << i);
 
 	ide_disks_chs[i].cyl  = c;
 	ide_disks_chs[i].head = h;
@@ -469,6 +472,8 @@ static int ide_set_ignore_cable(const char *s, struct kernel_param *kp)
 {
 	int i, j = 1;
 
+	/* controller (ignore) */
+	/* controller : 1 (ignore) | 0 (use) */
 	if (sscanf(s, "%d:%d", &i, &j) != 2 && sscanf(s, "%d", &i) != 1)
 		return -EINVAL;
 
@@ -478,7 +483,7 @@ static int ide_set_ignore_cable(const char *s, struct kernel_param *kp)
 	if (j)
 		ide_ignore_cable |= (1 << i);
 	else
-		ide_ignore_cable &= (1 << i);
+		ide_ignore_cable &= ~(1 << i);
 
 	return 0;
 }

trunk/mm/shmem.c

@@ -169,13 +169,13 @@ static inline struct shmem_sb_info *SHMEM_SB(struct super_block *sb)
  */
 static inline int shmem_acct_size(unsigned long flags, loff_t size)
 {
-	return (flags & VM_NORESERVE) ?
-		0 : security_vm_enough_memory_kern(VM_ACCT(size));
+	return (flags & VM_ACCOUNT) ?
+		security_vm_enough_memory_kern(VM_ACCT(size)) : 0;
 }
 
 static inline void shmem_unacct_size(unsigned long flags, loff_t size)
 {
-	if (!(flags & VM_NORESERVE))
+	if (flags & VM_ACCOUNT)
 		vm_unacct_memory(VM_ACCT(size));
 }
 
@@ -187,13 +187,13 @@ static inline void shmem_unacct_size(unsigned long flags, loff_t size)
  */
 static inline int shmem_acct_block(unsigned long flags)
 {
-	return (flags & VM_NORESERVE) ?
-		security_vm_enough_memory_kern(VM_ACCT(PAGE_CACHE_SIZE)) : 0;
+	return (flags & VM_ACCOUNT) ?
+		0 : security_vm_enough_memory_kern(VM_ACCT(PAGE_CACHE_SIZE));
 }
 
 static inline void shmem_unacct_blocks(unsigned long flags, long pages)
 {
-	if (flags & VM_NORESERVE)
+	if (!(flags & VM_ACCOUNT))
 		vm_unacct_memory(pages * VM_ACCT(PAGE_CACHE_SIZE));
 }
 
@@ -1515,8 +1515,8 @@ static int shmem_mmap(struct file *file, struct vm_area_struct *vma)
 	return 0;
 }
 
-static struct inode *shmem_get_inode(struct super_block *sb, int mode,
-					dev_t dev, unsigned long flags)
+static struct inode *
+shmem_get_inode(struct super_block *sb, int mode, dev_t dev)
 {
 	struct inode *inode;
 	struct shmem_inode_info *info;
@@ -1537,7 +1537,6 @@ static struct inode *shmem_get_inode(struct super_block *sb, int mode,
 		info = SHMEM_I(inode);
 		memset(info, 0, (char *)inode - (char *)info);
 		spin_lock_init(&info->lock);
-		info->flags = flags & VM_NORESERVE;
 		INIT_LIST_HEAD(&info->swaplist);
 
 		switch (mode & S_IFMT) {
@@ -1780,10 +1779,9 @@ static int shmem_statfs(struct dentry *dentry, struct kstatfs *buf)
 static int
 shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
 {
-	struct inode *inode;
+	struct inode *inode = shmem_get_inode(dir->i_sb, mode, dev);
 	int error = -ENOSPC;
 
-	inode = shmem_get_inode(dir->i_sb, mode, dev, VM_NORESERVE);
 	if (inode) {
 		error = security_inode_init_security(inode, dir, NULL, NULL,
 						     NULL);
@@ -1922,7 +1920,7 @@ static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *s
 	if (len > PAGE_CACHE_SIZE)
 		return -ENAMETOOLONG;
 
-	inode = shmem_get_inode(dir->i_sb, S_IFLNK|S_IRWXUGO, 0, VM_NORESERVE);
+	inode = shmem_get_inode(dir->i_sb, S_IFLNK|S_IRWXUGO, 0);
 	if (!inode)
 		return -ENOSPC;
 
@@ -2334,7 +2332,7 @@ static int shmem_fill_super(struct super_block *sb,
 	sb->s_flags |= MS_POSIXACL;
 #endif
 
-	inode = shmem_get_inode(sb, S_IFDIR | sbinfo->mode, 0, VM_NORESERVE);
+	inode = shmem_get_inode(sb, S_IFDIR | sbinfo->mode, 0);
 	if (!inode)
 		goto failed;
 	inode->i_uid = sbinfo->uid;
@@ -2576,12 +2574,12 @@ int shmem_unuse(swp_entry_t entry, struct page *page)
 	return 0;
 }
 
-#define shmem_vm_ops				generic_file_vm_ops
-#define shmem_file_operations			ramfs_file_operations
-#define shmem_get_inode(sb, mode, dev, flags)	ramfs_get_inode(sb, mode, dev)
-#define shmem_acct_size(flags, size)		0
-#define shmem_unacct_size(flags, size)		do {} while (0)
-#define SHMEM_MAX_BYTES				LLONG_MAX
+#define shmem_file_operations ramfs_file_operations
+#define shmem_vm_ops generic_file_vm_ops
+#define shmem_get_inode ramfs_get_inode
+#define shmem_acct_size(a, b) 0
+#define shmem_unacct_size(a, b) do {} while (0)
+#define SHMEM_MAX_BYTES LLONG_MAX
 
 #endif /* CONFIG_SHMEM */
 
@@ -2591,7 +2589,7 @@ int shmem_unuse(swp_entry_t entry, struct page *page)
  * shmem_file_setup - get an unlinked file living in tmpfs
  * @name: name for dentry (to be seen in /proc/<pid>/maps
  * @size: size to be set for the file
- * @flags: VM_NORESERVE suppresses pre-accounting of the entire object size
+ * @flags: vm_flags
  */
 struct file *shmem_file_setup(char *name, loff_t size, unsigned long flags)
 {
@@ -2625,10 +2623,13 @@ struct file *shmem_file_setup(char *name, loff_t size, unsigned long flags)
 		goto put_dentry;
 
 	error = -ENOSPC;
-	inode = shmem_get_inode(root->d_sb, S_IFREG | S_IRWXUGO, 0, flags);
+	inode = shmem_get_inode(root->d_sb, S_IFREG | S_IRWXUGO, 0);
 	if (!inode)
 		goto close_file;
 
+#ifdef CONFIG_SHMEM
+	SHMEM_I(inode)->flags = (flags & VM_NORESERVE) ? 0 : VM_ACCOUNT;
+#endif
 	d_instantiate(dentry, inode);
 	inode->i_size = size;
 	inode->i_nlink = 0;	/* It is unlinked */