Merge /spare/repo/linux-2.6/

11 files changed, 37 insertions, 17 deletions

diff --git a/fs/Kconfig b/fs/Kconfig
index 5d0c4be43db..e54be705835 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -363,12 +363,15 @@ config INOTIFY
 	bool "Inotify file change notification support"
 	default y
 	---help---
-	  Say Y here to enable inotify support and the /dev/inotify character
-	  device.  Inotify is a file change notification system and a
+	  Say Y here to enable inotify support and the associated system
+	  calls.  Inotify is a file change notification system and a
 	  replacement for dnotify.  Inotify fixes numerous shortcomings in
 	  dnotify and introduces several new features.  It allows monitoring
-	  of both files and directories via a single open fd.  Multiple file
-	  events are supported.
+	  of both files and directories via a single open fd.  Other features
+	  include multiple file events, one-shot support, and unmount
+	  notification.
+
+	  For more information, see Documentation/filesystems/inotify.txt
 
 	  If unsure, say Y.
 
diff --git a/fs/bio.c b/fs/bio.c
index 249dd6bb66c..1f2d4649b18 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -248,17 +248,13 @@ inline void __bio_clone(struct bio *bio, struct bio *bio_src)
 {
 	request_queue_t *q = bdev_get_queue(bio_src->bi_bdev);
 
-	memcpy(bio->bi_io_vec, bio_src->bi_io_vec, bio_src->bi_max_vecs * sizeof(struct bio_vec));
+	memcpy(bio->bi_io_vec, bio_src->bi_io_vec,
+		bio_src->bi_max_vecs * sizeof(struct bio_vec));
 
 	bio->bi_sector = bio_src->bi_sector;
 	bio->bi_bdev = bio_src->bi_bdev;
 	bio->bi_flags |= 1 << BIO_CLONED;
 	bio->bi_rw = bio_src->bi_rw;
-
-	/*
-	 * notes -- maybe just leave bi_idx alone. assume identical mapping
-	 * for the clone
-	 */
 	bio->bi_vcnt = bio_src->bi_vcnt;
 	bio->bi_size = bio_src->bi_size;
 	bio->bi_idx = bio_src->bi_idx;
diff --git a/fs/dcache.c b/fs/dcache.c
index 3aa8a7e980d..a15a2e1f552 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -19,6 +19,7 @@
 #include <linux/string.h>
 #include <linux/mm.h>
 #include <linux/fs.h>
+#include <linux/fsnotify.h>
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/smp_lock.h>
@@ -101,6 +102,7 @@ static inline void dentry_iput(struct dentry * dentry)
 		list_del_init(&dentry->d_alias);
 		spin_unlock(&dentry->d_lock);
 		spin_unlock(&dcache_lock);
+		fsnotify_inoderemove(inode);
 		if (dentry->d_op && dentry->d_op->d_iput)
 			dentry->d_op->d_iput(dentry, inode);
 		else
@@ -1165,13 +1167,16 @@ out:
  
 void d_delete(struct dentry * dentry)
 {
+	int isdir = 0;
 	/*
 	 * Are we the only user?
 	 */
 	spin_lock(&dcache_lock);
 	spin_lock(&dentry->d_lock);
+	isdir = S_ISDIR(dentry->d_inode->i_mode);
 	if (atomic_read(&dentry->d_count) == 1) {
 		dentry_iput(dentry);
+		fsnotify_nameremove(dentry, isdir);
 		return;
 	}
 
@@ -1180,6 +1185,8 @@ void d_delete(struct dentry * dentry)
 
 	spin_unlock(&dentry->d_lock);
 	spin_unlock(&dcache_lock);
+
+	fsnotify_nameremove(dentry, isdir);
 }
 
 static void __d_rehash(struct dentry * entry, struct hlist_head *list)
diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c
index 6ad1211f84e..a096c5a5666 100644
--- a/fs/hfs/bnode.c
+++ b/fs/hfs/bnode.c
@@ -480,6 +480,8 @@ void hfs_bnode_put(struct hfs_bnode *node)
 			return;
 		}
 		for (i = 0; i < tree->pages_per_bnode; i++) {
+			if (!node->page[i])
+				continue;
 			mark_page_accessed(node->page[i]);
 #if REF_PAGES
 			put_page(node->page[i]);
diff --git a/fs/hfs/extent.c b/fs/hfs/extent.c
index cbc8510ad22..5ea6b3d45ea 100644
--- a/fs/hfs/extent.c
+++ b/fs/hfs/extent.c
@@ -482,7 +482,8 @@ void hfs_file_truncate(struct inode *inode)
 		page_cache_release(page);
 		mark_inode_dirty(inode);
 		return;
-	}
+	} else if (inode->i_size == HFS_I(inode)->phys_size)
+		return;
 	size = inode->i_size + HFS_SB(sb)->alloc_blksz - 1;
 	blk_cnt = size / HFS_SB(sb)->alloc_blksz;
 	alloc_cnt = HFS_I(inode)->alloc_blocks;
diff --git a/fs/hfsplus/bnode.c b/fs/hfsplus/bnode.c
index 267872e84d7..8868d3b766f 100644
--- a/fs/hfsplus/bnode.c
+++ b/fs/hfsplus/bnode.c
@@ -643,6 +643,8 @@ void hfs_bnode_put(struct hfs_bnode *node)
 			return;
 		}
 		for (i = 0; i < tree->pages_per_bnode; i++) {
+			if (!node->page[i])
+				continue;
 			mark_page_accessed(node->page[i]);
 #if REF_PAGES
 			put_page(node->page[i]);
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index 376498cc64f..e7235ca79a9 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -461,7 +461,9 @@ void hfsplus_file_truncate(struct inode *inode)
 		page_cache_release(page);
 		mark_inode_dirty(inode);
 		return;
-	}
+	} else if (inode->i_size == HFSPLUS_I(inode).phys_size)
+		return;
+
 	blk_cnt = (inode->i_size + HFSPLUS_SB(sb).alloc_blksz - 1) >> HFSPLUS_SB(sb).alloc_blksz_shift;
 	alloc_cnt = HFSPLUS_I(inode).alloc_blocks;
 	if (blk_cnt == alloc_cnt)
diff --git a/fs/inotify.c b/fs/inotify.c
index a8a714e4814..27ebcac5e07 100644
--- a/fs/inotify.c
+++ b/fs/inotify.c
@@ -90,6 +90,7 @@ struct inotify_device {
 	unsigned int		queue_size;	/* size of the queue (bytes) */
 	unsigned int		event_count;	/* number of pending events */
 	unsigned int		max_events;	/* maximum number of events */
+	u32			last_wd;	/* the last wd allocated */
 };
 
 /*
@@ -352,7 +353,7 @@ static int inotify_dev_get_wd(struct inotify_device *dev,
 	do {
 		if (unlikely(!idr_pre_get(&dev->idr, GFP_KERNEL)))
 			return -ENOSPC;
-		ret = idr_get_new(&dev->idr, watch, &watch->wd);
+		ret = idr_get_new_above(&dev->idr, watch, dev->last_wd, &watch->wd);
 	} while (ret == -EAGAIN);
 
 	return ret;
@@ -401,6 +402,7 @@ static struct inotify_watch *create_watch(struct inotify_device *dev,
 		return ERR_PTR(ret);
 	}
 
+	dev->last_wd = ret;
 	watch->mask = mask;
 	atomic_set(&watch->count, 0);
 	INIT_LIST_HEAD(&watch->d_list);
@@ -899,6 +901,7 @@ asmlinkage long sys_inotify_init(void)
 	dev->queue_size = 0;
 	dev->max_events = inotify_max_queued_events;
 	dev->user = user;
+	dev->last_wd = 0;
 	atomic_set(&dev->count, 0);
 
 	get_inotify_dev(dev);
diff --git a/fs/isofs/compress.c b/fs/isofs/compress.c
index 34a44e45168..4917315db73 100644
--- a/fs/isofs/compress.c
+++ b/fs/isofs/compress.c
@@ -129,8 +129,14 @@ static int zisofs_readpage(struct file *file, struct page *page)
 	cend = le32_to_cpu(*(__le32 *)(bh->b_data + (blockendptr & bufmask)));
 	brelse(bh);
 
+	if (cstart > cend)
+		goto eio;
+		
 	csize = cend-cstart;
 
+	if (csize > deflateBound(1UL << zisofs_block_shift))
+		goto eio;
+
 	/* Now page[] contains an array of pages, any of which can be NULL,
 	   and the locks on which we hold.  We should now read the data and
 	   release the pages.  If the pages are NULL the decompressed data
diff --git a/fs/namei.c b/fs/namei.c
index 02a824cd3c5..57046d98a74 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1801,7 +1801,6 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry)
 	}
 	up(&dentry->d_inode->i_sem);
 	if (!error) {
-		fsnotify_rmdir(dentry, dentry->d_inode, dir);
 		d_delete(dentry);
 	}
 	dput(dentry);
@@ -1874,7 +1873,6 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry)
 
 	/* We don't d_delete() NFS sillyrenamed files--they still exist. */
 	if (!error && !(dentry->d_flags & DCACHE_NFSFS_RENAMED)) {
-		fsnotify_unlink(dentry, dir);
 		d_delete(dentry);
 	}
 
@@ -2218,7 +2216,7 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 		error = vfs_rename_other(old_dir,old_dentry,new_dir,new_dentry);
 	if (!error) {
 		const char *new_name = old_dentry->d_name.name;
-		fsnotify_move(old_dir, new_dir, old_name, new_name, is_dir);
+		fsnotify_move(old_dir, new_dir, old_name, new_name, is_dir, new_dentry->d_inode);
 	}
 	fsnotify_oldname_free(old_name);
 
diff --git a/fs/namespace.c b/fs/namespace.c
index 587eb0d707e..79bd8a46e1e 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -160,7 +160,7 @@ clone_mnt(struct vfsmount *old, struct dentry *root)
 		mnt->mnt_root = dget(root);
 		mnt->mnt_mountpoint = mnt->mnt_root;
 		mnt->mnt_parent = mnt;
-		mnt->mnt_namespace = old->mnt_namespace;
+		mnt->mnt_namespace = current->namespace;
 
 		/* stick the duplicate mount on the same expiry list
 		 * as the original if that was on one */