Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-21 19:41:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

NFSv4: Delegreturn must set m/atime when they are delegated

Browse Source 
If the atime or mtime attributes were delegated, then we need to
propagate their new values back to the server when returning the
delegation.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Lance Shelton <lance.shelton@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2024-06-16 21:21:29 -04:00 committed by Anna Schumaker
parent e3e9d44de1
commit b81aca0961
3 changed files with 32 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
fs/nfs/delegation.c
View File

@ -266,7 +266,9 @@ void nfs_inode_reclaim_delegation(struct inode *inode, const struct cred *cred,
}
}
static int nfs_do_return_delegation(struct inode *inode, struct nfs_delegation *delegation, int issync)
static int nfs_do_return_delegation(struct inode *inode,
struct nfs_delegation *delegation,
int issync)
{
const struct cred *cred;
int res = 0;
@ -275,9 +277,8 @@ static int nfs_do_return_delegation(struct inode *inode, struct nfs_delegation *
spin_lock(&delegation->lock);
cred = get_cred(delegation->cred);
spin_unlock(&delegation->lock);
res = nfs4_proc_delegreturn(inode, cred,
&delegation->stateid,
issync);
res = nfs4_proc_delegreturn(inode, cred, &delegation->stateid,
delegation, issync);
put_cred(cred);
}
return res;

4
fs/nfs/delegation.h
View File

@ -70,7 +70,9 @@ void nfs_test_expired_all_delegations(struct nfs_client *clp);
void nfs_reap_expired_delegations(struct nfs_client *clp);
/* NFSv4 delegation-related procedures */
int nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred, const nfs4_stateid *stateid, int issync);
int nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred,
const nfs4_stateid *stateid,
struct nfs_delegation *delegation, int issync);
int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid);
int nfs4_lock_delegation_recall(struct file_lock *fl, struct nfs4_state *state, const nfs4_stateid *stateid);
bool nfs4_copy_delegation_stateid(struct inode *inode, fmode_t flags, nfs4_stateid *dst, const struct cred **cred);

27
fs/nfs/nfs4proc.c
View File

@ -6739,7 +6739,10 @@ static const struct rpc_call_ops nfs4_delegreturn_ops = {
.rpc_release = nfs4_delegreturn_release,
};
static int _nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred, const nfs4_stateid *stateid, int issync)
static int _nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred,
const nfs4_stateid *stateid,
struct nfs_delegation *delegation,
int issync)
{
struct nfs4_delegreturndata *data;
struct nfs_server *server = NFS_SERVER(inode);
@ -6791,12 +6794,27 @@ static int _nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred,
}
}
if (delegation &&
test_bit(NFS_DELEGATION_DELEGTIME, &delegation->flags)) {
if (delegation->type & FMODE_READ) {
data->sattr.atime = inode_get_atime(inode);
data->sattr.atime_set = true;
}
if (delegation->type & FMODE_WRITE) {
data->sattr.mtime = inode_get_mtime(inode);
data->sattr.mtime_set = true;
}
data->args.sattr_args = &data->sattr;
data->res.sattr_res = true;
}
if (!data->inode)
nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 1,
1);
else
nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 1,
0);
task_setup_data.callback_data = data;
msg.rpc_argp = &data->args;
msg.rpc_resp = &data->res;
@ -6814,13 +6832,16 @@ out:
return status;
}
int nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred, const nfs4_stateid *stateid, int issync)
int nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred,
const nfs4_stateid *stateid,
struct nfs_delegation *delegation, int issync)
{
struct nfs_server *server = NFS_SERVER(inode);
struct nfs4_exception exception = { };
int err;
do {
err = _nfs4_proc_delegreturn(inode, cred, stateid, issync);
err = _nfs4_proc_delegreturn(inode, cred, stateid,
delegation, issync);
trace_nfs4_delegreturn(inode, stateid, err);
switch (err) {
case -NFS4ERR_STALE_STATEID: