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Commit 7bbe5b5a authored by Artem Bityutskiy's avatar Artem Bityutskiy
Browse files

UBIFS: use PAGE_CACHE_MASK correctly 



It has high bits set, not low bits set as the UBIFS code
assumed.

Signed-off-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
parent 995be045

fs/ubifs/file.c

+2 −2
Original line number Diff line number Diff line
@@ -254,7 +254,7 @@ static int write_begin_slow(struct address_space *mapping, 
	}



	if (!PageUptodate(page)) {

		if (!(pos & PAGE_CACHE_MASK) && len == PAGE_CACHE_SIZE)

		if (!(pos & ~PAGE_CACHE_MASK) && len == PAGE_CACHE_SIZE)

			SetPageChecked(page);

		else {

			err = do_readpage(page);
@@ -444,7 +444,7 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping, 


	if (!PageUptodate(page)) {

		/* The page is not loaded from the flash */

		if (!(pos & PAGE_CACHE_MASK) && len == PAGE_CACHE_SIZE)

		if (!(pos & ~PAGE_CACHE_MASK) && len == PAGE_CACHE_SIZE)

			/*

			 * We change whole page so no need to load it. But we

			 * have to set the @PG_checked flag to make the further