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| author | Yan, Zheng <zyan@redhat.com> | 2017-06-01 17:08:00 +0800 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2017-06-14 19:37:23 +0200 |
| commit | 4ca2fea6f8277ab381bd08b996d641255b6f7b00 (patch) | |
| tree | 41f6e229a7e7c5279f94512e72b088adc30bd66a /fs/ceph/inode.c | |
| parent | 56199016e8672feb7b903eda003a863d5bf2b8c4 (diff) | |
| download | op-kernel-dev-4ca2fea6f8277ab381bd08b996d641255b6f7b00.zip op-kernel-dev-4ca2fea6f8277ab381bd08b996d641255b6f7b00.tar.gz | |
ceph: unify inode i_ctime update
Current __ceph_setattr() can set inode's i_ctime to current_time(),
req->r_stamp or attr->ia_ctime. These time stamps may have minor
differences. It may cause potential problem.
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/inode.c')
| -rw-r--r-- | fs/ceph/inode.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index dcce79b..4de6cdd 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -2022,7 +2022,6 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) attr->ia_size > inode->i_size) { i_size_write(inode, attr->ia_size); inode->i_blocks = calc_inode_blocks(attr->ia_size); - inode->i_ctime = attr->ia_ctime; ci->i_reported_size = attr->ia_size; dirtied |= CEPH_CAP_FILE_EXCL; } else if ((issued & CEPH_CAP_FILE_SHARED) == 0 || @@ -2044,7 +2043,6 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) inode->i_ctime.tv_sec, inode->i_ctime.tv_nsec, attr->ia_ctime.tv_sec, attr->ia_ctime.tv_nsec, only ? "ctime only" : "ignored"); - inode->i_ctime = attr->ia_ctime; if (only) { /* * if kernel wants to dirty ctime but nothing else, @@ -2067,7 +2065,7 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) if (dirtied) { inode_dirty_flags = __ceph_mark_dirty_caps(ci, dirtied, &prealloc_cf); - inode->i_ctime = current_time(inode); + inode->i_ctime = attr->ia_ctime; } release &= issued; @@ -2085,6 +2083,7 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) req->r_inode_drop = release; req->r_args.setattr.mask = cpu_to_le32(mask); req->r_num_caps = 1; + req->r_stamp = attr->ia_ctime; err = ceph_mdsc_do_request(mdsc, NULL, req); } dout("setattr %p result=%d (%s locally, %d remote)\n", inode, err, |
