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authorDave Kleikamp <shaggy@linux.vnet.ibm.com>2007-03-06 10:42:12 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-03-06 18:30:25 +0100
commit57bf63d69cb6b7064e6fec5e83da4e1918168282 (patch)
tree506c623d4f756afb91af4ca150f6759d229d3b9f /fs/buffer.c
parent[PATCH] fix vsyscall settimeofday (diff)
downloadlinux-57bf63d69cb6b7064e6fec5e83da4e1918168282.tar.xz
linux-57bf63d69cb6b7064e6fec5e83da4e1918168282.zip
[PATCH] fs: nobh_truncate_page() fix
This fixes a regression caused by 22c8ca78f20724676b6006232bf06cc3e9299539. nobh_prepare_write() no longer marks the page uptodate, so nobh_truncate_page() needs to do it. Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/buffer.c')
-rw-r--r--fs/buffer.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index e8504b65176c..1d0852fa728b 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2365,6 +2365,10 @@ failed:
}
EXPORT_SYMBOL(nobh_prepare_write);
+/*
+ * Make sure any changes to nobh_commit_write() are reflected in
+ * nobh_truncate_page(), since it doesn't call commit_write().
+ */
int nobh_commit_write(struct file *file, struct page *page,
unsigned from, unsigned to)
{
@@ -2466,6 +2470,11 @@ int nobh_truncate_page(struct address_space *mapping, loff_t from)
memset(kaddr + offset, 0, PAGE_CACHE_SIZE - offset);
flush_dcache_page(page);
kunmap_atomic(kaddr, KM_USER0);
+ /*
+ * It would be more correct to call aops->commit_write()
+ * here, but this is more efficient.
+ */
+ SetPageUptodate(page);
set_page_dirty(page);
}
unlock_page(page);