[RESEND: forget to add [email protected]]
If the DIO write on FAT is expanding the size, it will be fail by -EINVAL,
because FAT can't handle it now.
This patch fallback it to the normal buffered-write and would return
success.
Signed-off-by: OGAWA Hirofumi <[email protected]>
---
fs/fat/inode.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN fs/fat/inode.c~fat_direct-io-fallback fs/fat/inode.c
--- linux-2.6/fs/fat/inode.c~fat_direct-io-fallback 2007-02-10 22:08:33.000000000 +0900
+++ linux-2.6-hirofumi/fs/fat/inode.c 2007-02-10 22:08:33.000000000 +0900
@@ -173,10 +173,12 @@ static ssize_t fat_direct_IO(int rw, str
*
* But we must fill the remaining area or hole by nul for
* updating ->mmu_private.
+ *
+ * Return 0, and fallback to normal buffered write.
*/
loff_t size = offset + iov_length(iov, nr_segs);
if (MSDOS_I(inode)->mmu_private < size)
- return -EINVAL;
+ return 0;
}
/*
_
-
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