X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=fs%2Freiserfs%2Finode.c;h=8810fda0da469aa14ebf69ea51aeaedb2686e0f5;hb=42012cc4a2183c555a907eee32d7ce4fc7dc3a6a;hp=a24858a632fab85ef57f3ebf291a8a2235f2f182;hpb=873d8898b7f6aeb4f2085381dbc201d68a37d02b;p=powerpc.git

diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index a24858a632..8810fda0da 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -2,7 +2,6 @@
  * Copyright 2000 by Hans Reiser, licensing governed by reiserfs/README
  */
 
-#include <linux/config.h>
 #include <linux/time.h>
 #include <linux/fs.h>
 #include <linux/reiserfs_fs.h>
@@ -18,8 +17,6 @@
 #include <linux/writeback.h>
 #include <linux/quotaops.h>
 
-extern int reiserfs_default_io_size;	/* default io size devuned in super.c */
-
 static int reiserfs_commit_write(struct file *f, struct page *page,
 				 unsigned from, unsigned to);
 static int reiserfs_prepare_write(struct file *f, struct page *page,
@@ -40,14 +37,10 @@ void reiserfs_delete_inode(struct inode *inode)
 
 	/* The = 0 happens when we abort creating a new inode for some reason like lack of space.. */
 	if (!(inode->i_state & I_NEW) && INODE_PKEY(inode)->k_objectid != 0) {	/* also handles bad_inode case */
-		mutex_lock(&inode->i_mutex);
-
 		reiserfs_delete_xattrs(inode);
 
-		if (journal_begin(&th, inode->i_sb, jbegin_count)) {
-			mutex_unlock(&inode->i_mutex);
+		if (journal_begin(&th, inode->i_sb, jbegin_count))
 			goto out;
-		}
 		reiserfs_update_inode_transaction(inode);
 
 		err = reiserfs_delete_object(&th, inode);
@@ -58,12 +51,8 @@ void reiserfs_delete_inode(struct inode *inode)
 		if (!err) 
 			DQUOT_FREE_INODE(inode);
 
-		if (journal_end(&th, inode->i_sb, jbegin_count)) {
-			mutex_unlock(&inode->i_mutex);
+		if (journal_end(&th, inode->i_sb, jbegin_count))
 			goto out;
-		}
-
-		mutex_unlock(&inode->i_mutex);
 
 		/* check return value from reiserfs_delete_object after
 		 * ending the transaction
@@ -1131,7 +1120,6 @@ static void init_inode(struct inode *inode, struct path *path)
 	ih = PATH_PITEM_HEAD(path);
 
 	copy_key(INODE_PKEY(inode), &(ih->ih_key));
-	inode->i_blksize = reiserfs_default_io_size;
 
 	INIT_LIST_HEAD(&(REISERFS_I(inode)->i_prealloc_list));
 	REISERFS_I(inode)->i_flags = 0;
@@ -1886,7 +1874,6 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th,
 	}
 	// these do not go to on-disk stat data
 	inode->i_ino = le32_to_cpu(ih.ih_key.k_objectid);
-	inode->i_blksize = reiserfs_default_io_size;
 
 	// store in in-core inode the key of stat data and version all
 	// object items will have (directory items will have old offset
@@ -2349,6 +2336,7 @@ static int reiserfs_write_full_page(struct page *page,
 	unsigned long end_index = inode->i_size >> PAGE_CACHE_SHIFT;
 	int error = 0;
 	unsigned long block;
+	sector_t last_block;
 	struct buffer_head *head, *bh;
 	int partial = 0;
 	int nr = 0;
@@ -2396,10 +2384,19 @@ static int reiserfs_write_full_page(struct page *page,
 	}
 	bh = head;
 	block = page->index << (PAGE_CACHE_SHIFT - s->s_blocksize_bits);
+	last_block = (i_size_read(inode) - 1) >> inode->i_blkbits;
 	/* first map all the buffers, logging any direct items we find */
 	do {
-		if ((checked || buffer_dirty(bh)) && (!buffer_mapped(bh) ||
-						      (buffer_mapped(bh)
+		if (block > last_block) {
+			/*
+			 * This can happen when the block size is less than
+			 * the page size.  The corresponding bytes in the page
+			 * were zero filled above
+			 */
+			clear_buffer_dirty(bh);
+			set_buffer_uptodate(bh);
+		} else if ((checked || buffer_dirty(bh)) &&
+		           (!buffer_mapped(bh) || (buffer_mapped(bh)
 						       && bh->b_blocknr ==
 						       0))) {
 			/* not mapped yet, or it points to a direct item, search
@@ -2933,6 +2930,11 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
 			}
 			if (error)
 				goto out;
+			/*
+			 * file size is changed, ctime and mtime are
+			 * to be updated
+			 */
+			attr->ia_valid |= (ATTR_MTIME | ATTR_CTIME);
 		}
 	}