Commit e57f9af7 authored by Andreas Gruenbacher's avatar Andreas Gruenbacher
Browse files

gfs2: Don't re-check for write past EOF unnecessarily 



Only re-check for direct I/O writes past the end of the file after
re-acquiring the inode glock.

Signed-off-by: default avatarAndreas Gruenbacher <agruenba@redhat.com>
parent af2d861d

fs/gfs2/file.c

+1 −1
Original line number Diff line number Diff line
@@ -899,10 +899,10 @@ static ssize_t gfs2_file_direct_write(struct kiocb *iocb, struct iov_iter *from, 
	ret = gfs2_glock_nq(gh);

	if (ret)

		goto out_uninit;

retry_under_glock:

	/* Silently fall back to buffered I/O when writing beyond EOF */

	if (iocb->ki_pos + iov_iter_count(from) > i_size_read(&ip->i_inode))

		goto out;

retry_under_glock:



	from->nofault = true;

	ret = iomap_dio_rw(iocb, from, &gfs2_iomap_ops, NULL,