Merge branch 'upstream-fixes'

6 files changed, 32 insertions, 21 deletions

diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 5250c428fc1f..ef3386549140 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -66,7 +66,7 @@ static match_table_t tokens = {
         {Opt_afid, "afid=%u"},
         {Opt_rfdno, "rfdno=%u"},
         {Opt_wfdno, "wfdno=%u"},
-        {Opt_debug, "debug=%u"},
+        {Opt_debug, "debug=%x"},
         {Opt_name, "name=%s"},
         {Opt_remotename, "aname=%s"},
         {Opt_unix, "proto=unix"},
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 217323b0c896..b41e8b379652 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1048,13 +1048,14 @@ CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
                         cifs_small_buf_release(iov[0].iov_base);
                 else if(resp_buf_type == CIFS_LARGE_BUFFER)
                         cifs_buf_release(iov[0].iov_base);
-        } else /* return buffer to caller to free */ /* BB FIXME how do we tell caller if it is not a large buffer */ {
-                *buf = iov[0].iov_base;
+        } else if(resp_buf_type != CIFS_NO_BUFFER) {
+                /* return buffer to caller to free */ 
+                *buf = iov[0].iov_base;         
                 if(resp_buf_type == CIFS_SMALL_BUFFER)
                         *pbuf_type = CIFS_SMALL_BUFFER;
                 else if(resp_buf_type == CIFS_LARGE_BUFFER)
                         *pbuf_type = CIFS_LARGE_BUFFER;
-        }
+        } /* else no valid buffer on return - leave as null */
 
         /* Note: On -EAGAIN error only caller can retry on handle based calls
                 since file handle passed in no longer valid */
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index e488603fb1e7..ef5ae6f93c75 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1795,10 +1795,10 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
                            conjunction with 52K kvec constraint on arch with 4K
                            page size  */
 
-                if(cifs_sb->rsize < PAGE_CACHE_SIZE) {
-                        cifs_sb->rsize = PAGE_CACHE_SIZE; 
-                        /* Windows ME does this */
-                        cFYI(1,("Attempt to set readsize for mount to less than one page (4096)"));
+                if(cifs_sb->rsize < 2048) {
+                        cifs_sb->rsize = 2048; 
+                        /* Windows ME may prefer this */
+                        cFYI(1,("readsize set to minimum 2048"));
                 }
                 cifs_sb->mnt_uid = volume_info.linux_uid;
                 cifs_sb->mnt_gid = volume_info.linux_gid;
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 6573f31f1fd9..075d3e945602 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -204,10 +204,6 @@ int proc_fill_super(struct super_block *s, void *data, int silent)
         root_inode = proc_get_inode(s, PROC_ROOT_INO, &proc_root);
         if (!root_inode)
                 goto out_no_root;
-        /*
-         * Fixup the root inode's nlink value
-         */
-        root_inode->i_nlink += nr_processes();
         root_inode->i_uid = 0;
         root_inode->i_gid = 0;
         s->s_root = d_alloc_root(root_inode);
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 68896283c8ae..c3fd3611112f 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -80,16 +80,16 @@ void __init proc_root_init(void)
         proc_bus = proc_mkdir("bus", NULL);
 }
 
-static struct dentry *proc_root_lookup(struct inode * dir, struct dentry * dentry, struct nameidata *nd)
+static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat
+)
 {
-        /*
-         * nr_threads is actually protected by the tasklist_lock;
-         * however, it's conventional to do reads, especially for
-         * reporting, without any locking whatsoever.
-         */
-        if (dir->i_ino == PROC_ROOT_INO) /* check for safety... */
-                dir->i_nlink = proc_root.nlink + nr_threads;
+        generic_fillattr(dentry->d_inode, stat);
+        stat->nlink = proc_root.nlink + nr_processes();
+        return 0;
+}
 
+static struct dentry *proc_root_lookup(struct inode * dir, struct dentry * dentry, struct nameidata *nd)
+{
         if (!proc_lookup(dir, dentry, nd)) {
                 return NULL;
         }
@@ -134,6 +134,7 @@ static struct file_operations proc_root_operations = {
  */
 static struct inode_operations proc_root_inode_operations = {
         .lookup         = proc_root_lookup,
+        .getattr        = proc_root_getattr,
 };
 
 /*
diff --git a/fs/super.c b/fs/super.c
index 30294218fa63..e20b5580afd5 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -666,6 +666,16 @@ static int test_bdev_super(struct super_block *s, void *data)
         return (void *)s->s_bdev == data;
 }
 
+static void bdev_uevent(struct block_device *bdev, enum kobject_action action)
+{
+        if (bdev->bd_disk) {
+                if (bdev->bd_part)
+                        kobject_uevent(&bdev->bd_part->kobj, action);
+                else
+                        kobject_uevent(&bdev->bd_disk->kobj, action);
+        }
+}
+
 struct super_block *get_sb_bdev(struct file_system_type *fs_type,
         int flags, const char *dev_name, void *data,
         int (*fill_super)(struct super_block *, void *, int))
@@ -707,8 +717,10 @@ struct super_block *get_sb_bdev(struct file_system_type *fs_type,
                         up_write(&s->s_umount);
                         deactivate_super(s);
                         s = ERR_PTR(error);
-                } else
+                } else {
                         s->s_flags |= MS_ACTIVE;
+                        bdev_uevent(bdev, KOBJ_MOUNT);
+                }
         }
 
         return s;
@@ -724,6 +736,7 @@ void kill_block_super(struct super_block *sb)
 {
         struct block_device *bdev = sb->s_bdev;
 
+        bdev_uevent(bdev, KOBJ_UMOUNT);
         generic_shutdown_super(sb);
         sync_blockdev(bdev);
         close_bdev_excl(bdev);