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authorYan, Zheng <zyan@redhat.com>2017-08-16 17:27:05 +0800
committerIlya Dryomov <idryomov@gmail.com>2017-09-06 19:56:48 +0200
commitb178cf4304f26551cb05915eb6c6b1736617366b (patch)
treeb19e059ca29f47c5b8cbe743c64b929013b5fcc2 /fs/ceph
parent1c0a9c2d978360493054315196c51d8328fa7fae (diff)
downloadlinux-b178cf4304f26551cb05915eb6c6b1736617366b.tar.bz2
ceph: don't use CEPH_OSD_FLAG_ORDERSNAP
Inode can be moved between snap realms. It's possible inode is moved into a snap realm whose seq number is smaller than old snap realm's. So there is no guarantee that seq number inode's snap context always increases. Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/file.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index f602b3ee6c59..2eb43a54e2d6 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -787,7 +787,7 @@ static void ceph_aio_retry_work(struct work_struct *work)
goto out;
}
- req->r_flags = CEPH_OSD_FLAG_ORDERSNAP | CEPH_OSD_FLAG_WRITE;
+ req->r_flags = /* CEPH_OSD_FLAG_ORDERSNAP | */ CEPH_OSD_FLAG_WRITE;
ceph_oloc_copy(&req->r_base_oloc, &orig_req->r_base_oloc);
ceph_oid_copy(&req->r_base_oid, &orig_req->r_base_oid);
@@ -860,7 +860,7 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter,
if (ret2 < 0)
dout("invalidate_inode_pages2_range returned %d\n", ret2);
- flags = CEPH_OSD_FLAG_ORDERSNAP | CEPH_OSD_FLAG_WRITE;
+ flags = /* CEPH_OSD_FLAG_ORDERSNAP | */ CEPH_OSD_FLAG_WRITE;
} else {
flags = CEPH_OSD_FLAG_READ;
}
@@ -1063,7 +1063,7 @@ ceph_sync_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos,
if (ret < 0)
dout("invalidate_inode_pages2_range returned %d\n", ret);
- flags = CEPH_OSD_FLAG_ORDERSNAP | CEPH_OSD_FLAG_WRITE;
+ flags = /* CEPH_OSD_FLAG_ORDERSNAP | */ CEPH_OSD_FLAG_WRITE;
while ((len = iov_iter_count(from)) > 0) {
size_t left;