Commit 3bde4c48 authored by Andreas Gruenbacher's avatar Andreas Gruenbacher
Browse files

gfs2: Make sure not to return short direct writes 



When direct writes fail with -ENOTBLK because we're writing into a
hole (gfs2_iomap_begin()) or because of a page invalidation failure
(iomap_dio_rw()), we're falling back to buffered writes.  In that case,
when we lose the inode glock in gfs2_file_buffered_write(), we want to
re-acquire it instead of returning a short write.

Signed-off-by: default avatarAndreas Gruenbacher <agruenba@redhat.com>
parent 11661835

fs/gfs2/file.c

+1 −1
Original line number Diff line number Diff line
@@ -1069,7 +1069,7 @@ static ssize_t gfs2_file_buffered_write(struct kiocb *iocb, 
			from->count = min(from->count, window_size - leftover);

			if (gfs2_holder_queued(gh))

				goto retry_under_glock;

			if (read)

			if (read && !(iocb->ki_flags & IOCB_DIRECT))

				goto out_uninit;

			goto retry;

		}