From: Yan, Zheng <zyan@redhat.com>
Date: Mon, 7 Sep 2015 03:35:01 +0000 (+0800)
Subject: ceph: get inode size for each append write
X-Git-Tag: v4.14-rc1~4698^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=55b0b31cbc09f80db384671e22cdc94b2aa26b29;p=platform%2Fkernel%2Flinux-rpi.git

ceph: get inode size for each append write

Signed-off-by: Yan, Zheng <zyan@redhat.com>
---

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 90ec110..0c62868b 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -952,6 +952,12 @@ static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	/* We can write back this queue in page reclaim */
 	current->backing_dev_info = inode_to_bdi(inode);
 
+	if (iocb->ki_flags & IOCB_APPEND) {
+		err = ceph_do_getattr(inode, CEPH_STAT_CAP_SIZE, false);
+		if (err < 0)
+			goto out;
+	}
+
 	err = generic_write_checks(iocb, from);
 	if (err <= 0)
 		goto out;