X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fext2%2Finode.c;h=84818176fd9d58341a2613339f2123404237ff99;hb=1a159dd229e6a70e3ffd3f785cb51fa61b232279;hp=dd4e14c221e0e07c67c96e2ae06e6c3b755f225e;hpb=ebdea46fecae40c4d7effcd33f40918a37a1df4b;p=linux-2.6-omap-h63xx.git

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index dd4e14c221e..84818176fd9 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -642,18 +642,35 @@ ext2_readpages(struct file *file, struct address_space *mapping,
 	return mpage_readpages(mapping, pages, nr_pages, ext2_get_block);
 }
 
+int __ext2_write_begin(struct file *file, struct address_space *mapping,
+		loff_t pos, unsigned len, unsigned flags,
+		struct page **pagep, void **fsdata)
+{
+	return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
+							ext2_get_block);
+}
+
 static int
-ext2_prepare_write(struct file *file, struct page *page,
-			unsigned from, unsigned to)
+ext2_write_begin(struct file *file, struct address_space *mapping,
+		loff_t pos, unsigned len, unsigned flags,
+		struct page **pagep, void **fsdata)
 {
-	return block_prepare_write(page,from,to,ext2_get_block);
+	*pagep = NULL;
+	return __ext2_write_begin(file, mapping, pos, len, flags, pagep,fsdata);
 }
 
 static int
-ext2_nobh_prepare_write(struct file *file, struct page *page,
-			unsigned from, unsigned to)
+ext2_nobh_write_begin(struct file *file, struct address_space *mapping,
+		loff_t pos, unsigned len, unsigned flags,
+		struct page **pagep, void **fsdata)
 {
-	return nobh_prepare_write(page,from,to,ext2_get_block);
+	/*
+	 * Dir-in-pagecache still uses ext2_write_begin. Would have to rework
+	 * directory handling code to pass around offsets rather than struct
+	 * pages in order to make this work easily.
+	 */
+	return nobh_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
+							ext2_get_block);
 }
 
 static int ext2_nobh_writepage(struct page *page,
@@ -689,8 +706,8 @@ const struct address_space_operations ext2_aops = {
 	.readpages		= ext2_readpages,
 	.writepage		= ext2_writepage,
 	.sync_page		= block_sync_page,
-	.prepare_write		= ext2_prepare_write,
-	.commit_write		= generic_commit_write,
+	.write_begin		= ext2_write_begin,
+	.write_end		= generic_write_end,
 	.bmap			= ext2_bmap,
 	.direct_IO		= ext2_direct_IO,
 	.writepages		= ext2_writepages,
@@ -707,8 +724,8 @@ const struct address_space_operations ext2_nobh_aops = {
 	.readpages		= ext2_readpages,
 	.writepage		= ext2_nobh_writepage,
 	.sync_page		= block_sync_page,
-	.prepare_write		= ext2_nobh_prepare_write,
-	.commit_write		= nobh_commit_write,
+	.write_begin		= ext2_nobh_write_begin,
+	.write_end		= nobh_write_end,
 	.bmap			= ext2_bmap,
 	.direct_IO		= ext2_direct_IO,
 	.writepages		= ext2_writepages,
@@ -925,7 +942,8 @@ void ext2_truncate (struct inode * inode)
 	if (mapping_is_xip(inode->i_mapping))
 		xip_truncate_page(inode->i_mapping, inode->i_size);
 	else if (test_opt(inode->i_sb, NOBH))
-		nobh_truncate_page(inode->i_mapping, inode->i_size);
+		nobh_truncate_page(inode->i_mapping,
+				inode->i_size, ext2_get_block);
 	else
 		block_truncate_page(inode->i_mapping,
 				inode->i_size, ext2_get_block);
@@ -1010,7 +1028,7 @@ static struct ext2_inode *ext2_get_inode(struct super_block *sb, ino_t ino,
 		goto Einval;
 
 	block_group = (ino - 1) / EXT2_INODES_PER_GROUP(sb);
-	gdp = ext2_get_group_desc(sb, block_group, &bh);
+	gdp = ext2_get_group_desc(sb, block_group, NULL);
 	if (!gdp)
 		goto Egdp;
 	/*
@@ -1055,6 +1073,25 @@ void ext2_set_inode_flags(struct inode *inode)
 		inode->i_flags |= S_DIRSYNC;
 }
 
+/* Propagate flags from i_flags to EXT2_I(inode)->i_flags */
+void ext2_get_inode_flags(struct ext2_inode_info *ei)
+{
+	unsigned int flags = ei->vfs_inode.i_flags;
+
+	ei->i_flags &= ~(EXT2_SYNC_FL|EXT2_APPEND_FL|
+			EXT2_IMMUTABLE_FL|EXT2_NOATIME_FL|EXT2_DIRSYNC_FL);
+	if (flags & S_SYNC)
+		ei->i_flags |= EXT2_SYNC_FL;
+	if (flags & S_APPEND)
+		ei->i_flags |= EXT2_APPEND_FL;
+	if (flags & S_IMMUTABLE)
+		ei->i_flags |= EXT2_IMMUTABLE_FL;
+	if (flags & S_NOATIME)
+		ei->i_flags |= EXT2_NOATIME_FL;
+	if (flags & S_DIRSYNC)
+		ei->i_flags |= EXT2_DIRSYNC_FL;
+}
+
 void ext2_read_inode (struct inode * inode)
 {
 	struct ext2_inode_info *ei = EXT2_I(inode);
@@ -1079,9 +1116,9 @@ void ext2_read_inode (struct inode * inode)
 	}
 	inode->i_nlink = le16_to_cpu(raw_inode->i_links_count);
 	inode->i_size = le32_to_cpu(raw_inode->i_size);
-	inode->i_atime.tv_sec = le32_to_cpu(raw_inode->i_atime);
-	inode->i_ctime.tv_sec = le32_to_cpu(raw_inode->i_ctime);
-	inode->i_mtime.tv_sec = le32_to_cpu(raw_inode->i_mtime);
+	inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime);
+	inode->i_ctime.tv_sec = (signed)le32_to_cpu(raw_inode->i_ctime);
+	inode->i_mtime.tv_sec = (signed)le32_to_cpu(raw_inode->i_mtime);
 	inode->i_atime.tv_nsec = inode->i_mtime.tv_nsec = inode->i_ctime.tv_nsec = 0;
 	ei->i_dtime = le32_to_cpu(raw_inode->i_dtime);
 	/* We now have enough fields to check if the inode was active or not.
@@ -1188,6 +1225,7 @@ static int ext2_update_inode(struct inode * inode, int do_sync)
 	if (ei->i_state & EXT2_STATE_NEW)
 		memset(raw_inode, 0, EXT2_SB(sb)->s_inode_size);
 
+	ext2_get_inode_flags(ei);
 	raw_inode->i_mode = cpu_to_le16(inode->i_mode);
 	if (!(test_opt(sb, NO_UID32))) {
 		raw_inode->i_uid_low = cpu_to_le16(low_16_bits(uid));