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A fix for an old ceph ->fh_to_* bug from Luis and two timestamp

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fixups from Zheng, prompted by the ongoing y2038 work.
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Merge tag 'ceph-for-4.12-rc6' of git://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "A fix for an old ceph ->fh_to_* bug from Luis and two timestamp fixups
  from Zheng, prompted by the ongoing y2038 work"

* tag 'ceph-for-4.12-rc6' of git://github.com/ceph/ceph-client:
  ceph: unify inode i_ctime update
  ceph: use current_kernel_time() to get request time stamp
  ceph: check i_nlink while converting a file handle to dentry
This commit is contained in:
Linus Torvalds 2017-06-18 08:23:02 +09:00
commit 6e20350659
4 changed files with 8 additions and 6 deletions
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1
fs/ceph/acl.c
View File

@ -131,6 +131,7 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type)
}
if (new_mode != old_mode) {
newattrs.ia_ctime = current_time(inode);
newattrs.ia_mode = new_mode;
newattrs.ia_valid = ATTR_MODE;
ret = __ceph_setattr(inode, &newattrs);

4
fs/ceph/export.c
View File

@ -91,6 +91,10 @@ static struct dentry *__fh_to_dentry(struct super_block *sb, u64 ino)
ceph_mdsc_put_request(req);
if (!inode)
return ERR_PTR(-ESTALE);
if (inode->i_nlink == 0) {
iput(inode);
return ERR_PTR(-ESTALE);
}
}
return d_obtain_alias(inode);

5
fs/ceph/inode.c
View File

@ -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,

4
fs/ceph/mds_client.c
View File

@ -1687,7 +1687,6 @@ struct ceph_mds_request *
ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode)
{
struct ceph_mds_request *req = kzalloc(sizeof(*req), GFP_NOFS);
struct timespec ts;
if (!req)
return ERR_PTR(-ENOMEM);
@ -1706,8 +1705,7 @@ ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode)
init_completion(&req->r_safe_completion);
INIT_LIST_HEAD(&req->r_unsafe_item);
ktime_get_real_ts(&ts);
req->r_stamp = timespec_trunc(ts, mdsc->fsc->sb->s_time_gran);
req->r_stamp = timespec_trunc(current_kernel_time(), mdsc->fsc->sb->s_time_gran);
req->r_op = op;
req->r_direct_mode = mode;