Merge commit 'v2.6.29' into core/header-fixes

7 files changed, 55 insertions, 37 deletions

diff --git a/Documentation/filesystems/ext2.txt b/Documentation/filesystems/ext2.txt
index 4333e836c495..e055acb6b2d4 100644
--- a/Documentation/filesystems/ext2.txt
+++ b/Documentation/filesystems/ext2.txt
@@ -373,10 +373,11 @@ Filesystem Resizing	http://ext2resize.sourceforge.net/
 Compression (*)         http://e2compr.sourceforge.net/
 
 Implementations for:
-Windows 95/98/NT/2000   http://uranus.it.swin.edu.au/~jn/linux/Explore2fs.htm
-Windows 95 (*)          http://www.yipton.demon.co.uk/content.html#FSDEXT2
+Windows 95/98/NT/2000   http://www.chrysocome.net/explore2fs
+Windows 95 (*)          http://www.yipton.net/content.html#FSDEXT2
 DOS client (*)          ftp://metalab.unc.edu/pub/Linux/system/filesystems/ext2/
-OS/2                    http://perso.wanadoo.fr/matthieu.willm/ext2-os2/
-RISC OS client          ftp://ftp.barnet.ac.uk/pub/acorn/armlinux/iscafs/
+OS/2 (+)                ftp://metalab.unc.edu/pub/Linux/system/filesystems/ext2/
+RISC OS client          http://www.esw-heim.tu-clausthal.de/~marco/smorbrod/IscaFS/
 
 (*) no longer actively developed/supported (as of Apr 2001)
+(+) no longer actively developed/supported (as of Mar 2009)
diff --git a/Documentation/filesystems/ext3.txt b/Documentation/filesystems/ext3.txt
index 9dd2a3bb2acc..e5f3833a6ef8 100644
--- a/Documentation/filesystems/ext3.txt
+++ b/Documentation/filesystems/ext3.txt
@@ -198,5 +198,5 @@ kernel source:	<file:fs/ext3/>
 programs:       http://e2fsprogs.sourceforge.net/
                 http://ext2resize.sourceforge.net
 
-useful links:   http://www-106.ibm.com/developerworks/linux/library/l-fs7/
-                http://www-106.ibm.com/developerworks/linux/library/l-fs8/
+useful links:   http://www.ibm.com/developerworks/library/l-fs7.html
+                http://www.ibm.com/developerworks/library/l-fs8.html
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index a87be42f8211..830bad7cce0f 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -1478,6 +1478,13 @@ of problems on the network like duplicate address or bad checksums. Normally,
 this should be enabled, but if the problem persists the messages can be
 disabled.
 
+netdev_budget
+-------------
+
+Maximum number of packets taken from all interfaces in one polling cycle (NAPI
+poll). In one polling cycle interfaces which are registered to polling are
+probed in a round-robin manner. The limit of packets in one such probe can be
+set per-device via sysfs class/net/<device>/weight .
 
 netdev_max_backlog
 ------------------
diff --git a/Documentation/filesystems/squashfs.txt b/Documentation/filesystems/squashfs.txt
index 3e79e4a7a392..b324c033035a 100644
--- a/Documentation/filesystems/squashfs.txt
+++ b/Documentation/filesystems/squashfs.txt
@@ -22,7 +22,7 @@ Squashfs filesystem features versus Cramfs:
 
                                 Squashfs                Cramfs
 
-Max filesystem size:            2^64                    16 MiB
+Max filesystem size:            2^64                    256 MiB
 Max file size:                  ~ 2 TiB                 16 MiB
 Max files:                      unlimited               unlimited
 Max directories:                unlimited               unlimited
diff --git a/Documentation/filesystems/sysfs-pci.txt b/Documentation/filesystems/sysfs-pci.txt
index 68ef48839c04..9f8740ca3f3b 100644
--- a/Documentation/filesystems/sysfs-pci.txt
+++ b/Documentation/filesystems/sysfs-pci.txt
@@ -9,6 +9,7 @@ that support it.  For example, a given bus might look like this:
      |   |-- class
      |   |-- config
      |   |-- device
+     |   |-- enable
      |   |-- irq
      |   |-- local_cpus
      |   |-- resource
@@ -32,6 +33,7 @@ files, each with their own function.
        class               PCI class (ascii, ro)
        config              PCI config space (binary, rw)
        device              PCI device (ascii, ro)
+       enable              Whether the device is enabled (ascii, rw)
        irq                 IRQ number (ascii, ro)
        local_cpus          nearby CPU mask (cpumask, ro)
        resource            PCI resource host addresses (ascii, ro)
@@ -57,10 +59,19 @@ used to do actual device programming from userspace.  Note that some platforms
 don't support mmapping of certain resources, so be sure to check the return
 value from any attempted mmap.
 
+The 'enable' file provides a counter that indicates how many times the device 
+has been enabled.  If the 'enable' file currently returns '4', and a '1' is
+echoed into it, it will then return '5'.  Echoing a '0' into it will decrease
+the count.  Even when it returns to 0, though, some of the initialisation
+may not be reversed.  
+
 The 'rom' file is special in that it provides read-only access to the device's
 ROM file, if available.  It's disabled by default, however, so applications
 should write the string "1" to the file to enable it before attempting a read
-call, and disable it following the access by writing "0" to the file.
+call, and disable it following the access by writing "0" to the file.  Note
+that the device must be enabled for a rom read to return data succesfully.
+In the event a driver is not bound to the device, it can be enabled using the
+'enable' file, documented above.
 
 Accessing legacy resources through sysfs
 ----------------------------------------
diff --git a/Documentation/filesystems/sysfs.txt b/Documentation/filesystems/sysfs.txt
index 9e9c348275a9..7e81e37c0b1e 100644
--- a/Documentation/filesystems/sysfs.txt
+++ b/Documentation/filesystems/sysfs.txt
@@ -2,8 +2,10 @@
 sysfs - _The_ filesystem for exporting kernel objects. 
 
 Patrick Mochel  <mochel@osdl.org>
+Mike Murphy <mamurph@cs.clemson.edu>
 
-10 January 2003
+Revised:    22 February 2009
+Original:   10 January 2003
 
 
 What it is:
@@ -64,12 +66,13 @@ An attribute definition is simply:
 
 struct attribute {
         char                    * name;
+        struct module           *owner;
         mode_t                  mode;
 };
 
 
-int sysfs_create_file(struct kobject * kobj, struct attribute * attr);
-void sysfs_remove_file(struct kobject * kobj, struct attribute * attr);
+int sysfs_create_file(struct kobject * kobj, const struct attribute * attr);
+void sysfs_remove_file(struct kobject * kobj, const struct attribute * attr);
 
 
 A bare attribute contains no means to read or write the value of the
@@ -80,9 +83,11 @@ a specific object type.
 For example, the driver model defines struct device_attribute like:
 
 struct device_attribute {
-        struct attribute        attr;
-        ssize_t (*show)(struct device * dev, char * buf);
-        ssize_t (*store)(struct device * dev, const char * buf);
+        struct attribute        attr;
+        ssize_t (*show)(struct device *dev, struct device_attribute *attr,
+                        char *buf);
+        ssize_t (*store)(struct device *dev, struct device_attribute *attr,
+                         const char *buf, size_t count);
 };
 
 int device_create_file(struct device *, struct device_attribute *);
@@ -90,12 +95,8 @@ void device_remove_file(struct device *, struct device_attribute *);
 
 It also defines this helper for defining device attributes: 
 
-#define DEVICE_ATTR(_name, _mode, _show, _store)      \
-struct device_attribute dev_attr_##_name = {            \
-        .attr = {.name  = __stringify(_name) , .mode   = _mode },      \
-        .show   = _show,                                \
-        .store  = _store,                               \
-};
+#define DEVICE_ATTR(_name, _mode, _show, _store) \
+struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store)
 
 For example, declaring
 
@@ -107,9 +108,9 @@ static struct device_attribute dev_attr_foo = {
        .attr    = {
                 .name = "foo",
                 .mode = S_IWUSR | S_IRUGO,
+                .show = show_foo,
+                .store = store_foo,
         },
-        .show = show_foo,
-        .store = store_foo,
 };
 
 
@@ -161,10 +162,12 @@ To read or write attributes, show() or store() methods must be
 specified when declaring the attribute. The method types should be as
 simple as those defined for device attributes:
 
-        ssize_t (*show)(struct device * dev, char * buf);
-        ssize_t (*store)(struct device * dev, const char * buf);
+ssize_t (*show)(struct device * dev, struct device_attribute * attr,
+                char * buf);
+ssize_t (*store)(struct device * dev, struct device_attribute * attr,
+                 const char * buf);
 
-IOW, they should take only an object and a buffer as parameters. 
+IOW, they should take only an object, an attribute, and a buffer as parameters.
 
 
 sysfs allocates a buffer of size (PAGE_SIZE) and passes it to the
@@ -299,14 +302,16 @@ The following interface layers currently exist in sysfs:
 Structure:
 
 struct device_attribute {
-        struct attribute        attr;
-        ssize_t (*show)(struct device * dev, char * buf);
-        ssize_t (*store)(struct device * dev, const char * buf);
+        struct attribute        attr;
+        ssize_t (*show)(struct device *dev, struct device_attribute *attr,
+                        char *buf);
+        ssize_t (*store)(struct device *dev, struct device_attribute *attr,
+                         const char *buf, size_t count);
 };
 
 Declaring:
 
-DEVICE_ATTR(_name, _str, _mode, _show, _store);
+DEVICE_ATTR(_name, _mode, _show, _store);
 
 Creation/Removal:
 
@@ -342,7 +347,8 @@ Structure:
 struct driver_attribute {
         struct attribute        attr;
         ssize_t (*show)(struct device_driver *, char * buf);
-        ssize_t (*store)(struct device_driver *, const char * buf);
+        ssize_t (*store)(struct device_driver *, const char * buf,
+                         size_t count);
 };
 
 Declaring:
diff --git a/Documentation/filesystems/ubifs.txt b/Documentation/filesystems/ubifs.txt
index 84da2a4ba25a..12fedb7834c6 100644
--- a/Documentation/filesystems/ubifs.txt
+++ b/Documentation/filesystems/ubifs.txt
@@ -79,13 +79,6 @@ Mount options
 
 (*) == default.
 
-norm_unmount (*)        commit on unmount; the journal is committed
-                        when the file-system is unmounted so that the
-                        next mount does not have to replay the journal
-                        and it becomes very fast;
-fast_unmount            do not commit on unmount; this option makes
-                        unmount faster, but the next mount slower
-                        because of the need to replay the journal.
 bulk_read               read more in one go to take advantage of flash
                         media that read faster sequentially
 no_bulk_read (*)        do not bulk-read