---

yaml
---
r: 98463
b: refs/heads/master
c: b660398
h: refs/heads/master
i:
  98461: 9479255
  98459: 9c69763
  98455: 52b825f
  98447: 55a33d4
  98431: a3b24e6
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0b20715f3f83141ab5a2bb14b844b7c3c8bcf1aa
+refs/heads/master: b660398101cd0622325480a67ac88bb4d33d553a

trunk/.gitignore

@@ -3,10 +3,6 @@
 # subdirectories here. Add them in the ".gitignore" file
 # in that subdirectory instead.
 #
-# NOTE! Please use 'git-ls-files -i --exclude-standard'
-# command after changing this file, to see if there are
-# any tracked files which get ignored after the change.
-#
 # Normal rules
 #
 .*
@@ -22,21 +18,19 @@
 *.lst
 *.symtypes
 *.order
-*.elf
-*.bin
-*.gz
 
 #
 # Top-level generic files
 #
 tags
 TAGS
-vmlinux
+vmlinux*
+!vmlinux.lds.S
+!vmlinux.lds.h
 System.map
 Module.markers
 Module.symvers
 !.gitignore
-!.mailmap
 
 #
 # Generated include files

trunk/arch/blackfin/kernel/cplb-nompu/cplbinit.c

@@ -254,8 +254,7 @@ close_cplbtab(struct cplb_tab *table)
 }
 
 /* helper function */
-static void __init
-__fill_code_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end)
+static void __fill_code_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end)
 {
 	if (cplb_data[i].psize) {
 		fill_cplbtab(t,
@@ -292,8 +291,7 @@ __fill_code_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end)
 	}
 }
 
-static void __init
-__fill_data_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end)
+static void __fill_data_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end)
 {
 	if (cplb_data[i].psize) {
 		fill_cplbtab(t,

trunk/arch/blackfin/kernel/irqchip.c

@@ -60,14 +60,9 @@ static struct irq_chip bad_chip = {
 };
 
 static struct irq_desc bad_irq_desc = {
-	.status = IRQ_DISABLED,
 	.chip = &bad_chip,
 	.handle_irq = handle_bad_irq,
 	.depth = 1,
-	.lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock),
-#ifdef CONFIG_SMP
-	.affinity = CPU_MASK_ALL
-#endif
 };
 
 int show_interrupts(struct seq_file *p, void *v)

trunk/drivers/firewire/fw-sbp2.c

@@ -1051,8 +1051,7 @@ static int sbp2_scan_unit_dir(struct sbp2_target *tgt, u32 *directory,
 			break;
 
 		case SBP2_CSR_LOGICAL_UNIT_DIRECTORY:
-			/* Adjust for the increment in the iterator */
-			if (sbp2_scan_logical_unit_dir(tgt, ci.p - 1 + value) < 0)
+			if (sbp2_scan_logical_unit_dir(tgt, ci.p + value) < 0)
 				return -ENOMEM;
 			break;
 		}

trunk/fs/block_dev.c

@@ -931,16 +931,8 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 	struct gendisk *disk;
 	int ret;
 	int part;
-	int perm = 0;
 
-	if (file->f_mode & FMODE_READ)
-		perm |= MAY_READ;
-	if (file->f_mode & FMODE_WRITE)
-		perm |= MAY_WRITE;
-	/*
-	 * hooks: /n/, see "layering violations".
-	 */
-	ret = devcgroup_inode_permission(bdev->bd_inode, perm);
+	ret = devcgroup_inode_permission(bdev->bd_inode, file->f_mode);
 	if (ret != 0)
 		return ret;
 

trunk/fs/dcache.c

@@ -17,7 +17,6 @@
 #include <linux/syscalls.h>
 #include <linux/string.h>
 #include <linux/mm.h>
-#include <linux/fdtable.h>
 #include <linux/fs.h>
 #include <linux/fsnotify.h>
 #include <linux/slab.h>
@@ -107,10 +106,9 @@ static void dentry_lru_remove(struct dentry *dentry)
 /*
  * Release the dentry's inode, using the filesystem
  * d_iput() operation if defined.
+ * Called with dcache_lock and per dentry lock held, drops both.
  */
 static void dentry_iput(struct dentry * dentry)
-	__releases(dentry->d_lock)
-	__releases(dcache_lock)
 {
 	struct inode *inode = dentry->d_inode;
 	if (inode) {
@@ -134,13 +132,12 @@ static void dentry_iput(struct dentry * dentry)
  * d_kill - kill dentry and return parent
  * @dentry: dentry to kill
  *
- * The dentry must already be unhashed and removed from the LRU.
+ * Called with dcache_lock and d_lock, releases both.  The dentry must
+ * already be unhashed and removed from the LRU.
  *
  * If this is the root of the dentry tree, return NULL.
  */
 static struct dentry *d_kill(struct dentry *dentry)
-	__releases(dentry->d_lock)
-	__releases(dcache_lock)
 {
 	struct dentry *parent;
 
@@ -386,11 +383,11 @@ void d_prune_aliases(struct inode *inode)
  * Try to prune ancestors as well.  This is necessary to prevent
  * quadratic behavior of shrink_dcache_parent(), but is also expected
  * to be beneficial in reducing dentry cache fragmentation.
+ *
+ * Called with dcache_lock, drops it and then regains.
+ * Called with dentry->d_lock held, drops it.
  */
 static void prune_one_dentry(struct dentry * dentry)
-	__releases(dentry->d_lock)
-	__releases(dcache_lock)
-	__acquires(dcache_lock)
 {
 	__d_drop(dentry);
 	dentry = d_kill(dentry);
@@ -1607,9 +1604,10 @@ static int d_isparent(struct dentry *p1, struct dentry *p2)
  *
  * Note: If ever the locking in lock_rename() changes, then please
  * remember to update this too...
+ *
+ * On return, dcache_lock will have been unlocked.
  */
 static struct dentry *__d_unalias(struct dentry *dentry, struct dentry *alias)
-	__releases(dcache_lock)
 {
 	struct mutex *m1 = NULL, *m2 = NULL;
 	struct dentry *ret;
@@ -1745,9 +1743,11 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode)
 shouldnt_be_hashed:
 	spin_unlock(&dcache_lock);
 	BUG();
+	goto shouldnt_be_hashed;
 }
 
-static int prepend(char **buffer, int *buflen, const char *str, int namelen)
+static int prepend(char **buffer, int *buflen, const char *str,
+			  int namelen)
 {
 	*buflen -= namelen;
 	if (*buflen < 0)
@@ -1757,13 +1757,8 @@ static int prepend(char **buffer, int *buflen, const char *str, int namelen)
 	return 0;
 }
 
-static int prepend_name(char **buffer, int *buflen, struct qstr *name)
-{
-	return prepend(buffer, buflen, name->name, name->len);
-}
-
 /**
- * __d_path - return the path of a dentry
+ * d_path - return the path of a dentry
  * @path: the dentry/vfsmount to report
  * @root: root vfsmnt/dentry (may be modified by this function)
  * @buffer: buffer to return value in
@@ -1784,10 +1779,9 @@ char *__d_path(const struct path *path, struct path *root,
 {
 	struct dentry *dentry = path->dentry;
 	struct vfsmount *vfsmnt = path->mnt;
-	char *end = buffer + buflen;
-	char *retval;
+	char * end = buffer+buflen;
+	char * retval;
 
-	spin_lock(&vfsmount_lock);
 	prepend(&end, &buflen, "\0", 1);
 	if (!IS_ROOT(dentry) && d_unhashed(dentry) &&
 		(prepend(&end, &buflen, " (deleted)", 10) != 0))
@@ -1806,37 +1800,38 @@ char *__d_path(const struct path *path, struct path *root,
 			break;
 		if (dentry == vfsmnt->mnt_root || IS_ROOT(dentry)) {
 			/* Global root? */
+			spin_lock(&vfsmount_lock);
 			if (vfsmnt->mnt_parent == vfsmnt) {
+				spin_unlock(&vfsmount_lock);
 				goto global_root;
 			}
 			dentry = vfsmnt->mnt_mountpoint;
 			vfsmnt = vfsmnt->mnt_parent;
+			spin_unlock(&vfsmount_lock);
 			continue;
 		}
 		parent = dentry->d_parent;
 		prefetch(parent);
-		if ((prepend_name(&end, &buflen, &dentry->d_name) != 0) ||
+		if ((prepend(&end, &buflen, dentry->d_name.name,
+				dentry->d_name.len) != 0) ||
 		    (prepend(&end, &buflen, "/", 1) != 0))
 			goto Elong;
 		retval = end;
 		dentry = parent;
 	}
 
-out:
-	spin_unlock(&vfsmount_lock);
 	return retval;
 
 global_root:
 	retval += 1;	/* hit the slash */
-	if (prepend_name(&retval, &buflen, &dentry->d_name) != 0)
+	if (prepend(&retval, &buflen, dentry->d_name.name,
+		    dentry->d_name.len) != 0)
 		goto Elong;
 	root->mnt = vfsmnt;
 	root->dentry = dentry;
-	goto out;
-
+	return retval;
 Elong:
-	retval = ERR_PTR(-ENAMETOOLONG);
-	goto out;
+	return ERR_PTR(-ENAMETOOLONG);
 }
 
 /**
@@ -1850,9 +1845,9 @@ char *__d_path(const struct path *path, struct path *root,
  *
  * Returns the buffer or an error code if the path was too long.
  *
- * "buflen" should be positive.
+ * "buflen" should be positive. Caller holds the dcache_lock.
  */
-char *d_path(const struct path *path, char *buf, int buflen)
+char *d_path(struct path *path, char *buf, int buflen)
 {
 	char *res;
 	struct path root;
@@ -1920,11 +1915,16 @@ char *dentry_path(struct dentry *dentry, char *buf, int buflen)
 	retval = end-1;
 	*retval = '/';
 
-	while (!IS_ROOT(dentry)) {
-		struct dentry *parent = dentry->d_parent;
+	for (;;) {
+		struct dentry *parent;
+		if (IS_ROOT(dentry))
+			break;
 
+		parent = dentry->d_parent;
 		prefetch(parent);
-		if ((prepend_name(&end, &buflen, &dentry->d_name) != 0) ||
+
+		if ((prepend(&end, &buflen, dentry->d_name.name,
+				dentry->d_name.len) != 0) ||
 		    (prepend(&end, &buflen, "/", 1) != 0))
 			goto Elong;
 
@@ -1975,7 +1975,7 @@ asmlinkage long sys_getcwd(char __user *buf, unsigned long size)
 	error = -ENOENT;
 	/* Has the current directory has been unlinked? */
 	spin_lock(&dcache_lock);
-	if (IS_ROOT(pwd.dentry) || !d_unhashed(pwd.dentry)) {
+	if (pwd.dentry->d_parent == pwd.dentry || !d_unhashed(pwd.dentry)) {
 		unsigned long len;
 		struct path tmp = root;
 		char * cwd;

trunk/fs/locks.c

@@ -561,6 +561,9 @@ static void locks_insert_lock(struct file_lock **pos, struct file_lock *fl)
 	/* insert into file's list */
 	fl->fl_next = *pos;
 	*pos = fl;
+
+	if (fl->fl_ops && fl->fl_ops->fl_insert)
+		fl->fl_ops->fl_insert(fl);
 }
 
 /*
@@ -583,6 +586,9 @@ static void locks_delete_lock(struct file_lock **thisfl_p)
 		fl->fl_fasync = NULL;
 	}
 
+	if (fl->fl_ops && fl->fl_ops->fl_remove)
+		fl->fl_ops->fl_remove(fl);
+
 	if (fl->fl_nspid) {
 		put_pid(fl->fl_nspid);
 		fl->fl_nspid = NULL;

trunk/fs/namei.c

@@ -581,13 +581,15 @@ static __always_inline int link_path_walk(const char *name, struct nameidata *nd
 	int result;
 
 	/* make sure the stuff we saved doesn't go away */
-	path_get(&save);
+	dget(save.dentry);
+	mntget(save.mnt);
 
 	result = __link_path_walk(name, nd);
 	if (result == -ESTALE) {
 		/* nd->path had been dropped */
 		nd->path = save;
-		path_get(&nd->path);
+		dget(nd->path.dentry);
+		mntget(nd->path.mnt);
 		nd->flags |= LOOKUP_REVAL;
 		result = __link_path_walk(name, nd);
 	}
@@ -1214,9 +1216,8 @@ int vfs_path_lookup(struct dentry *dentry, struct vfsmount *mnt,
 	nd->flags = flags;
 	nd->depth = 0;
 
-	nd->path.dentry = dentry;
-	nd->path.mnt = mnt;
-	path_get(&nd->path);
+	nd->path.mnt = mntget(mnt);
+	nd->path.dentry = dget(dentry);
 
 	retval = path_walk(name, nd);
 	if (unlikely(!retval && !audit_dummy_context() && nd->path.dentry &&
@@ -2856,17 +2857,16 @@ int generic_readlink(struct dentry *dentry, char __user *buffer, int buflen)
 {
 	struct nameidata nd;
 	void *cookie;
-	int res;
 
 	nd.depth = 0;
 	cookie = dentry->d_inode->i_op->follow_link(dentry, &nd);
-	if (IS_ERR(cookie))
-		return PTR_ERR(cookie);
-
-	res = vfs_readlink(dentry, buffer, buflen, nd_get_link(&nd));
-	if (dentry->d_inode->i_op->put_link)
-		dentry->d_inode->i_op->put_link(dentry, &nd, cookie);
-	return res;
+	if (!IS_ERR(cookie)) {
+		int res = vfs_readlink(dentry, buffer, buflen, nd_get_link(&nd));
+		if (dentry->d_inode->i_op->put_link)
+			dentry->d_inode->i_op->put_link(dentry, &nd, cookie);
+		cookie = ERR_PTR(res);
+	}
+	return PTR_ERR(cookie);
 }
 
 int vfs_follow_link(struct nameidata *nd, const char *link)