summaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
authorYan, Zheng <zyan@redhat.com>2018-03-26 16:46:39 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-04-24 09:42:56 +0200
commit0ea1574a2243746cba44ae1479c09b0b8701b9a2 (patch)
tree6ff2480c15bfca7441556c1bea12ddd0146863c3 /fs
parent6101b68f1685cf02fc03725c9eb9f25537938dba (diff)
ceph: always update atime/mtime/ctime for new inode
commit ffdeec7aa41aa61ca4ee68fddf4669df9ce661d1 upstream. For new inode, atime/mtime/ctime are uninitialized. Don't compare against them. Cc: stable@kernel.org Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/ceph/inode.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index c6ec5aa46100..236313efd347 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -660,13 +660,15 @@ void ceph_fill_file_time(struct inode *inode, int issued,
CEPH_CAP_FILE_BUFFER|
CEPH_CAP_AUTH_EXCL|
CEPH_CAP_XATTR_EXCL)) {
- if (timespec_compare(ctime, &inode->i_ctime) > 0) {
+ if (ci->i_version == 0 ||
+ timespec_compare(ctime, &inode->i_ctime) > 0) {
dout("ctime %ld.%09ld -> %ld.%09ld inc w/ cap\n",
inode->i_ctime.tv_sec, inode->i_ctime.tv_nsec,
ctime->tv_sec, ctime->tv_nsec);
inode->i_ctime = *ctime;
}
- if (ceph_seq_cmp(time_warp_seq, ci->i_time_warp_seq) > 0) {
+ if (ci->i_version == 0 ||
+ ceph_seq_cmp(time_warp_seq, ci->i_time_warp_seq) > 0) {
/* the MDS did a utimes() */
dout("mtime %ld.%09ld -> %ld.%09ld "
"tw %d -> %d\n",
@@ -786,7 +788,6 @@ static int fill_inode(struct inode *inode, struct page *locked_page,
new_issued = ~issued & le32_to_cpu(info->cap.caps);
/* update inode */
- ci->i_version = le64_to_cpu(info->version);
inode->i_rdev = le32_to_cpu(info->rdev);
inode->i_blkbits = fls(le32_to_cpu(info->layout.fl_stripe_unit)) - 1;
@@ -857,6 +858,9 @@ static int fill_inode(struct inode *inode, struct page *locked_page,
xattr_blob = NULL;
}
+ /* finally update i_version */
+ ci->i_version = le64_to_cpu(info->version);
+
inode->i_mapping->a_ops = &ceph_aops;
switch (inode->i_mode & S_IFMT) {