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[PATCH] fs: nobh_truncate_page() fix 

This fixes a regression caused by 22c8ca78f2.

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>
This commit is contained in:
Dave Kleikamp 2007-03-06 01:42:12 -08:00 committed by Linus Torvalds
parent 90675a27fa
commit 57bf63d69c
1 changed files with 9 additions and 0 deletions
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9
fs/buffer.c
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@ -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);