---

yaml
---
r: 257867
b: refs/heads/master
c: c6cb13f
h: refs/heads/master
i:
  257865: 5c181b2
  257863: 388d584
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f5fc87905ea075a0b14878086fd4fe38be128844
+refs/heads/master: c6cb13f9fef2e401d9fbb0709d088e7c50fe7aea

trunk/Documentation/DocBook/writing-an-alsa-driver.tmpl

@@ -1164,7 +1164,7 @@
           }
           chip->port = pci_resource_start(pci, 0);
           if (request_irq(pci->irq, snd_mychip_interrupt,
-                          IRQF_SHARED, KBUILD_MODNAME, chip)) {
+                          IRQF_SHARED, "My Chip", chip)) {
                   printk(KERN_ERR "cannot grab irq %d\n", pci->irq);
                   snd_mychip_free(chip);
                   return -EBUSY;
@@ -1197,7 +1197,7 @@
 
   /* pci_driver definition */
   static struct pci_driver driver = {
-          .name = KBUILD_MODNAME,
+          .name = "My Own Chip",
           .id_table = snd_mychip_ids,
           .probe = snd_mychip_probe,
           .remove = __devexit_p(snd_mychip_remove),
@@ -1340,7 +1340,7 @@
           <programlisting>
 <![CDATA[
   if (request_irq(pci->irq, snd_mychip_interrupt,
-                  IRQF_SHARED, KBUILD_MODNAME, chip)) {
+                  IRQF_SHARED, "My Chip", chip)) {
           printk(KERN_ERR "cannot grab irq %d\n", pci->irq);
           snd_mychip_free(chip);
           return -EBUSY;
@@ -1616,7 +1616,7 @@
           <programlisting>
 <![CDATA[
   static struct pci_driver driver = {
-          .name = KBUILD_MODNAME,
+          .name = "My Own Chip",
           .id_table = snd_mychip_ids,
           .probe = snd_mychip_probe,
           .remove = __devexit_p(snd_mychip_remove),
@@ -5816,7 +5816,7 @@ struct _snd_pcm_runtime {
         <programlisting>
 <![CDATA[
   static struct pci_driver driver = {
-          .name = KBUILD_MODNAME,
+          .name = "My Chip",
           .id_table = snd_my_ids,
           .probe = snd_my_probe,
           .remove = __devexit_p(snd_my_remove),

trunk/Documentation/cgroups/cpuacct.txt

@@ -23,7 +23,7 @@ New accounting groups can be created under the parent group /sys/fs/cgroup.
 
 # cd /sys/fs/cgroup
 # mkdir g1
-# echo $$ > g1/tasks
+# echo $$ > g1
 
 The above steps create a new group g1 and move the current shell
 process (bash) into it. CPU time consumed by this bash and its children

trunk/Documentation/cgroups/cpusets.txt

@@ -180,7 +180,7 @@ files describing that cpuset:
  - cpuset.sched_load_balance flag: if set, load balance within CPUs on that cpuset
  - cpuset.sched_relax_domain_level: the searching range when migrating tasks
 
-In addition, only the root cpuset has the following file:
+In addition, the root cpuset only has the following file:
  - cpuset.memory_pressure_enabled flag: compute memory_pressure?
 
 New cpusets are created using the mkdir system call or shell

trunk/Documentation/filesystems/Locking

@@ -52,7 +52,7 @@ ata *);
 	void (*put_link) (struct dentry *, struct nameidata *, void *);
 	void (*truncate) (struct inode *);
 	int (*permission) (struct inode *, int, unsigned int);
-	int (*check_acl)(struct inode *, int);
+	int (*check_acl)(struct inode *, int, unsigned int);
 	int (*setattr) (struct dentry *, struct iattr *);
 	int (*getattr) (struct vfsmount *, struct dentry *, struct kstat *);
 	int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);
@@ -412,7 +412,7 @@ prototypes:
 	int (*open) (struct inode *, struct file *);
 	int (*flush) (struct file *);
 	int (*release) (struct inode *, struct file *);
-	int (*fsync) (struct file *, loff_t start, loff_t end, int datasync);
+	int (*fsync) (struct file *, int datasync);
 	int (*aio_fsync) (struct kiocb *, int datasync);
 	int (*fasync) (int, struct file *, int);
 	int (*lock) (struct file *, int, struct file_lock *);
@@ -438,7 +438,9 @@ prototypes:
 
 locking rules:
 	All may block except for ->setlease.
-	No VFS locks held on entry except for ->setlease.
+	No VFS locks held on entry except for ->fsync and ->setlease.
+
+->fsync() has i_mutex on inode.
 
 ->setlease has the file_list_lock held and must not sleep.
 

trunk/Documentation/filesystems/porting

@@ -398,33 +398,12 @@ Currently you can only have FALLOC_FL_PUNCH_HOLE with FALLOC_FL_KEEP_SIZE set,
 so the i_size should not change when hole punching, even when puching the end of
 a file off.
 
+--
+[mandatory]
+
 --
 [mandatory]
 	->get_sb() is gone.  Switch to use of ->mount().  Typically it's just
 a matter of switching from calling get_sb_... to mount_... and changing the
 function type.  If you were doing it manually, just switch from setting ->mnt_root
 to some pointer to returning that pointer.  On errors return ERR_PTR(...).
-
---
-[mandatory]
-	->permission(), generic_permission() and ->check_acl() have lost flags
-argument; instead of passing IPERM_FLAG_RCU we add MAY_NOT_BLOCK into mask.
-	generic_permission() has also lost the check_acl argument; if you want
-non-NULL to be used for that inode, put it into ->i_op->check_acl.
-
---
-[mandatory]
-	If you implement your own ->llseek() you must handle SEEK_HOLE and
-SEEK_DATA.  You can hanle this by returning -EINVAL, but it would be nicer to
-support it in some way.  The generic handler assumes that the entire file is
-data and there is a virtual hole at the end of the file.  So if the provided
-offset is less than i_size and SEEK_DATA is specified, return the same offset.
-If the above is true for the offset and you are given SEEK_HOLE, return the end
-of the file.  If the offset is i_size or greater return -ENXIO in either case.
-
-[mandatory]
-	If you have your own ->fsync() you must make sure to call
-filemap_write_and_wait_range() so that all dirty pages are synced out properly.
-You must also keep in mind that ->fsync() is not called with i_mutex held
-anymore, so if you require i_mutex locking you must make sure to take it and
-release it yourself.

trunk/Documentation/filesystems/vfs.txt

@@ -229,8 +229,6 @@ struct super_operations {
 
         ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t);
         ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);
-	int (*nr_cached_objects)(struct super_block *);
-	void (*free_cached_objects)(struct super_block *, int);
 };
 
 All methods are called without any locks being held, unless otherwise
@@ -303,26 +301,6 @@ or bottom half).
 
   quota_write: called by the VFS to write to filesystem quota file.
 
-  nr_cached_objects: called by the sb cache shrinking function for the
-	filesystem to return the number of freeable cached objects it contains.
-	Optional.
-
-  free_cache_objects: called by the sb cache shrinking function for the
-	filesystem to scan the number of objects indicated to try to free them.
-	Optional, but any filesystem implementing this method needs to also
-	implement ->nr_cached_objects for it to be called correctly.
-
-	We can't do anything with any errors that the filesystem might
-	encountered, hence the void return type. This will never be called if
-	the VM is trying to reclaim under GFP_NOFS conditions, hence this
-	method does not need to handle that situation itself.
-
-	Implementations must include conditional reschedule calls inside any
-	scanning loop that is done. This allows the VFS to determine
-	appropriate scan batch sizes without having to worry about whether
-	implementations will cause holdoff problems due to large scan batch
-	sizes.
-
 Whoever sets up the inode is responsible for filling in the "i_op" field. This
 is a pointer to a "struct inode_operations" which describes the methods that
 can be performed on individual inodes.
@@ -355,8 +333,8 @@ struct inode_operations {
         void * (*follow_link) (struct dentry *, struct nameidata *);
         void (*put_link) (struct dentry *, struct nameidata *, void *);
 	void (*truncate) (struct inode *);
-	int (*permission) (struct inode *, int);
-	int (*check_acl)(struct inode *, int);
+	int (*permission) (struct inode *, int, unsigned int);
+	int (*check_acl)(struct inode *, int, unsigned int);
 	int (*setattr) (struct dentry *, struct iattr *);
 	int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *);
 	int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);
@@ -445,7 +423,7 @@ otherwise noted.
   permission: called by the VFS to check for access rights on a POSIX-like
   	filesystem.
 
-	May be called in rcu-walk mode (mask & MAY_NOT_BLOCK). If in rcu-walk
+	May be called in rcu-walk mode (flags & IPERM_FLAG_RCU). If in rcu-walk
         mode, the filesystem must check the permission without blocking or
 	storing to the inode.
 
@@ -777,7 +755,7 @@ struct file_operations {
 	int (*open) (struct inode *, struct file *);
 	int (*flush) (struct file *);
 	int (*release) (struct inode *, struct file *);
-	int (*fsync) (struct file *, loff_t, loff_t, int datasync);
+	int (*fsync) (struct file *, int datasync);
 	int (*aio_fsync) (struct kiocb *, int datasync);
 	int (*fasync) (int, struct file *, int);
 	int (*lock) (struct file *, int, struct file_lock *);