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Commit 919dc9e2 authored by Stephen Lord's avatar Stephen Lord Committed by Christoph Hellwig
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XFS: Avoid writing data out to disk twice! 

Modid: 2.5.x-xfs:slinx:128467a
parent b1eaf041
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Showing with 3 additions and 2 deletions
fs/xfs/linux/xfs_aops.c
View file @ 919dc9e2
...@@ -223,7 +223,7 @@ probe_unmapped_page( ...@@ -223,7 +223,7 @@ probe_unmapped_page(
page = find_get_page(mapping, index); page = find_get_page(mapping, index);
if (!page) if (!page)
return 0; return 0;
if (TestSetPageLocked(page)) { if (PageWriteback(page) || TestSetPageLocked(page)) {
page_cache_release(page); page_cache_release(page);
return 0; return 0;
} }
...@@ -302,7 +302,7 @@ probe_page( ...@@ -302,7 +302,7 @@ probe_page(
page = find_get_page(inode->i_mapping, index); page = find_get_page(inode->i_mapping, index);
if (!page) if (!page)
return NULL; return NULL;
if (TestSetPageLocked(page)) { if (PageWriteback(page) || TestSetPageLocked(page)) {
page_cache_release(page); page_cache_release(page);
return NULL; return NULL;
} }
...@@ -331,6 +331,7 @@ submit_page( ...@@ -331,6 +331,7 @@ submit_page(
BUG_ON(PageWriteback(page)); BUG_ON(PageWriteback(page));
SetPageWriteback(page); SetPageWriteback(page);
clear_page_dirty(page);
unlock_page(page); unlock_page(page);
if (cnt) { if (cnt) {
......
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