X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fntfs%2Fattrib.c;h=50d3b0c258e37cd0413568aef6d4216086a6bb02;hb=8113587c2d14d3be2414190845b2e2617c0aa33b;hp=7659cc1929953cb0045d9451b1614e76a52e9b03;hpb=4559b438225b01942e1661759db0df55883b1bc0;p=linux-2.6-omap-h63xx.git

diff --git a/fs/ntfs/attrib.c b/fs/ntfs/attrib.c
index 7659cc19299..50d3b0c258e 100644
--- a/fs/ntfs/attrib.c
+++ b/fs/ntfs/attrib.c
@@ -1,7 +1,7 @@
 /**
  * attrib.c - NTFS attribute operations.  Part of the Linux-NTFS project.
  *
- * Copyright (c) 2001-2006 Anton Altaparmakov
+ * Copyright (c) 2001-2007 Anton Altaparmakov
  * Copyright (c) 2002 Richard Russon
  *
  * This program/include file is free software; you can redistribute it and/or
@@ -179,10 +179,7 @@ int ntfs_map_runlist_nolock(ntfs_inode *ni, VCN vcn, ntfs_attr_search_ctx *ctx)
 	 * ntfs_mapping_pairs_decompress() fails.
 	 */
 	end_vcn = sle64_to_cpu(a->data.non_resident.highest_vcn) + 1;
-	if (!a->data.non_resident.lowest_vcn && end_vcn == 1)
-		end_vcn = sle64_to_cpu(a->data.non_resident.allocated_size) >>
-				ni->vol->cluster_size_bits;
-	if (unlikely(vcn >= end_vcn)) {
+	if (unlikely(vcn && vcn >= end_vcn)) {
 		err = -ENOENT;
 		goto err_out;
 	}
@@ -2500,7 +2497,7 @@ int ntfs_attr_set(ntfs_inode *ni, const s64 ofs, const s64 cnt, const u8 val)
 	struct page *page;
 	u8 *kaddr;
 	pgoff_t idx, end;
-	unsigned int start_ofs, end_ofs, size;
+	unsigned start_ofs, end_ofs, size;
 
 	ntfs_debug("Entering for ofs 0x%llx, cnt 0x%llx, val 0x%hx.",
 			(long long)ofs, (long long)cnt, val);
@@ -2532,14 +2529,7 @@ int ntfs_attr_set(ntfs_inode *ni, const s64 ofs, const s64 cnt, const u8 val)
 		page = read_mapping_page(mapping, idx, NULL);
 		if (IS_ERR(page)) {
 			ntfs_error(vol->sb, "Failed to read first partial "
-					"page (sync error, index 0x%lx).", idx);
-			return PTR_ERR(page);
-		}
-		wait_on_page_locked(page);
-		if (unlikely(!PageUptodate(page))) {
-			ntfs_error(vol->sb, "Failed to read first partial page "
-					"(async error, index 0x%lx).", idx);
-			page_cache_release(page);
+					"page (error, index 0x%lx).", idx);
 			return PTR_ERR(page);
 		}
 		/*
@@ -2555,6 +2545,8 @@ int ntfs_attr_set(ntfs_inode *ni, const s64 ofs, const s64 cnt, const u8 val)
 		kunmap_atomic(kaddr, KM_USER0);
 		set_page_dirty(page);
 		page_cache_release(page);
+		balance_dirty_pages_ratelimited(mapping);
+		cond_resched();
 		if (idx == end)
 			goto done;
 		idx++;
@@ -2602,14 +2594,7 @@ int ntfs_attr_set(ntfs_inode *ni, const s64 ofs, const s64 cnt, const u8 val)
 		page = read_mapping_page(mapping, idx, NULL);
 		if (IS_ERR(page)) {
 			ntfs_error(vol->sb, "Failed to read last partial page "
-					"(sync error, index 0x%lx).", idx);
-			return PTR_ERR(page);
-		}
-		wait_on_page_locked(page);
-		if (unlikely(!PageUptodate(page))) {
-			ntfs_error(vol->sb, "Failed to read last partial page "
-					"(async error, index 0x%lx).", idx);
-			page_cache_release(page);
+					"(error, index 0x%lx).", idx);
 			return PTR_ERR(page);
 		}
 		kaddr = kmap_atomic(page, KM_USER0);
@@ -2618,6 +2603,8 @@ int ntfs_attr_set(ntfs_inode *ni, const s64 ofs, const s64 cnt, const u8 val)
 		kunmap_atomic(kaddr, KM_USER0);
 		set_page_dirty(page);
 		page_cache_release(page);
+		balance_dirty_pages_ratelimited(mapping);
+		cond_resched();
 	}
 done:
 	ntfs_debug("Done.");