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authorJeff Layton <jlayton@kernel.org>2019-06-06 13:29:23 +0200
committerIlya Dryomov <idryomov@gmail.com>2019-07-08 14:01:43 +0200
commita35ead314e0b9252a92a5e179a00b242d1af7bff (patch)
treec7a27fb8ad7c7f04a297b14be3a23bff46bcb5a6
parentiversion: add a routine to update a raw value with a larger one (diff)
downloadlinux-a35ead314e0b9252a92a5e179a00b242d1af7bff.tar.xz
linux-a35ead314e0b9252a92a5e179a00b242d1af7bff.zip
ceph: add change_attr field to ceph_inode_info
Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
-rw-r--r--fs/ceph/inode.c5
-rw-r--r--fs/ceph/mds_client.c4
-rw-r--r--fs/ceph/mds_client.h1
3 files changed, 8 insertions, 2 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index a13b627270f3..2c49eb831c6f 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -13,6 +13,7 @@
#include <linux/posix_acl.h>
#include <linux/random.h>
#include <linux/sort.h>
+#include <linux/iversion.h>
#include "super.h"
#include "mds_client.h"
@@ -42,6 +43,7 @@ static int ceph_set_ino_cb(struct inode *inode, void *data)
{
ceph_inode(inode)->i_vino = *(struct ceph_vino *)data;
inode->i_ino = ceph_vino_to_ino(*(struct ceph_vino *)data);
+ inode_set_iversion_raw(inode, 0);
return 0;
}
@@ -796,6 +798,9 @@ static int fill_inode(struct inode *inode, struct page *locked_page,
le64_to_cpu(info->version) > (ci->i_version & ~1)))
new_version = true;
+ /* Update change_attribute */
+ inode_set_max_iversion_raw(inode, iinfo->change_attr);
+
__ceph_caps_issued(ci, &issued);
issued |= __ceph_caps_dirty(ci);
new_issued = ~issued & info_caps;
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 636d3df47df6..920e9f048bd8 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -156,7 +156,7 @@ static int parse_reply_info_in(void **p, void *end,
ceph_decode_copy(p, &info->btime, sizeof(info->btime));
/* change attribute */
- ceph_decode_skip_64(p, end, bad);
+ ceph_decode_64_safe(p, end, info->change_attr, bad);
/* dir pin */
if (struct_v >= 2) {
@@ -208,7 +208,7 @@ static int parse_reply_info_in(void **p, void *end,
if (features & CEPH_FEATURE_FS_BTIME) {
ceph_decode_need(p, end, sizeof(info->btime), bad);
ceph_decode_copy(p, &info->btime, sizeof(info->btime));
- ceph_decode_skip_64(p, end, bad);
+ ceph_decode_64_safe(p, end, info->change_attr, bad);
}
info->dir_pin = -ENODATA;
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index da2f53646217..f7c8603484fe 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -71,6 +71,7 @@ struct ceph_mds_reply_info_in {
s32 dir_pin;
struct ceph_timespec btime;
struct ceph_timespec snap_btime;
+ u64 change_attr;
};
struct ceph_mds_reply_dir_entry {