linux-kernel - [PATCH 1/6] nfsd: drop inode parameter from nfsd4_change

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Message-Id: <20241014-delstid-v1-1-7ce8a2f4dd24@kernel.org>
Date: Mon, 14 Oct 2024 15:26:49 -0400
From: Jeff Layton <jlayton@...nel.org>
To: Chuck Lever <chuck.lever@...cle.com>, Neil Brown <neilb@...e.de>, 
 Olga Kornievskaia <okorniev@...hat.com>, Dai Ngo <Dai.Ngo@...cle.com>, 
 Tom Talpey <tom@...pey.com>, Jonathan Corbet <corbet@....net>, 
 Trond Myklebust <trondmy@...nel.org>, Anna Schumaker <anna@...nel.org>, 
 Thomas Haynes <loghyr@...il.com>
Cc: linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-doc@...r.kernel.org, Jeff Layton <jlayton@...nel.org>
Subject: [PATCH 1/6] nfsd: drop inode parameter from
 nfsd4_change_attribute()

Fix up nfs4_delegation_stat() to fetch STATX_MODE, and then drop the
inode parameter from nfsd4_change_attribute(), since it's no longer
needed.

Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
 fs/nfsd/nfs4state.c |  5 ++---
 fs/nfsd/nfs4xdr.c   |  2 +-
 fs/nfsd/nfsfh.c     | 11 ++++-------
 fs/nfsd/nfsfh.h     |  3 +--
 4 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index d753926db09eedf629fc3e0938f10b1a6fdb0245..2961a277a79c1f4cdb8c29a7c19abcb3305b61a1 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -5953,7 +5953,7 @@ nfs4_delegation_stat(struct nfs4_delegation *dp, struct svc_fh *currentfh,
 	path.dentry = file_dentry(nf->nf_file);
 
 	rc = vfs_getattr(&path, stat,
-			 (STATX_SIZE | STATX_CTIME | STATX_CHANGE_COOKIE),
+			 (STATX_MODE | STATX_SIZE | STATX_CTIME | STATX_CHANGE_COOKIE),
 			 AT_STATX_SYNC_AS_STAT);
 
 	nfsd_file_put(nf);
@@ -6037,8 +6037,7 @@ nfs4_open_delegation(struct nfsd4_open *open, struct nfs4_ol_stateid *stp,
 		}
 		open->op_delegate_type = NFS4_OPEN_DELEGATE_WRITE;
 		dp->dl_cb_fattr.ncf_cur_fsize = stat.size;
-		dp->dl_cb_fattr.ncf_initial_cinfo =
-			nfsd4_change_attribute(&stat, d_inode(currentfh->fh_dentry));
+		dp->dl_cb_fattr.ncf_initial_cinfo = nfsd4_change_attribute(&stat);
 		trace_nfsd_deleg_write(&dp->dl_stid.sc_stateid);
 	} else {
 		open->op_delegate_type = NFS4_OPEN_DELEGATE_READ;
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 6286ad2afa069f5274ffa352209b7d3c8c577dac..da7ec663da7326ad5c68a9c738b12d09cfcdc65a 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -3621,7 +3621,7 @@ nfsd4_encode_fattr4(struct svc_rqst *rqstp, struct xdr_stream *xdr,
 		args.change_attr = ncf->ncf_initial_cinfo;
 		nfs4_put_stid(&dp->dl_stid);
 	} else {
-		args.change_attr = nfsd4_change_attribute(&args.stat, d_inode(dentry));
+		args.change_attr = nfsd4_change_attribute(&args.stat);
 	}
 
 	if (err)
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index 4c5deea0e9535f2b197aa6ca1786d61730d53c44..453b7b52317d538971ce41f7e0492e5ab28b236d 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -670,20 +670,18 @@ fh_update(struct svc_fh *fhp)
 __be32 __must_check fh_fill_pre_attrs(struct svc_fh *fhp)
 {
 	bool v4 = (fhp->fh_maxsize == NFS4_FHSIZE);
-	struct inode *inode;
 	struct kstat stat;
 	__be32 err;
 
 	if (fhp->fh_no_wcc || fhp->fh_pre_saved)
 		return nfs_ok;
 
-	inode = d_inode(fhp->fh_dentry);
 	err = fh_getattr(fhp, &stat);
 	if (err)
 		return err;
 
 	if (v4)
-		fhp->fh_pre_change = nfsd4_change_attribute(&stat, inode);
+		fhp->fh_pre_change = nfsd4_change_attribute(&stat);
 
 	fhp->fh_pre_mtime = stat.mtime;
 	fhp->fh_pre_ctime = stat.ctime;
@@ -700,7 +698,6 @@ __be32 __must_check fh_fill_pre_attrs(struct svc_fh *fhp)
 __be32 fh_fill_post_attrs(struct svc_fh *fhp)
 {
 	bool v4 = (fhp->fh_maxsize == NFS4_FHSIZE);
-	struct inode *inode = d_inode(fhp->fh_dentry);
 	__be32 err;
 
 	if (fhp->fh_no_wcc)
@@ -716,7 +713,7 @@ __be32 fh_fill_post_attrs(struct svc_fh *fhp)
 	fhp->fh_post_saved = true;
 	if (v4)
 		fhp->fh_post_change =
-			nfsd4_change_attribute(&fhp->fh_post_attr, inode);
+			nfsd4_change_attribute(&fhp->fh_post_attr);
 	return nfs_ok;
 }
 
@@ -824,13 +821,13 @@ enum fsid_source fsid_source(const struct svc_fh *fhp)
  * assume that the new change attr is always logged to stable storage in some
  * fashion before the results can be seen.
  */
-u64 nfsd4_change_attribute(const struct kstat *stat, const struct inode *inode)
+u64 nfsd4_change_attribute(const struct kstat *stat)
 {
 	u64 chattr;
 
 	if (stat->result_mask & STATX_CHANGE_COOKIE) {
 		chattr = stat->change_cookie;
-		if (S_ISREG(inode->i_mode) &&
+		if (S_ISREG(stat->mode) &&
 		    !(stat->attributes & STATX_ATTR_CHANGE_MONOTONIC)) {
 			chattr += (u64)stat->ctime.tv_sec << 30;
 			chattr += stat->ctime.tv_nsec;
diff --git a/fs/nfsd/nfsfh.h b/fs/nfsd/nfsfh.h
index 5b7394801dc4270dbd5236f3e2f2237130c73dad..876152a91f122f83fb94ffdfb0eedf8fca56a20c 100644
--- a/fs/nfsd/nfsfh.h
+++ b/fs/nfsd/nfsfh.h
@@ -297,8 +297,7 @@ static inline void fh_clear_pre_post_attrs(struct svc_fh *fhp)
 	fhp->fh_pre_saved = false;
 }
 
-u64 nfsd4_change_attribute(const struct kstat *stat,
-			   const struct inode *inode);
+u64 nfsd4_change_attribute(const struct kstat *stat);
 __be32 __must_check fh_fill_pre_attrs(struct svc_fh *fhp);
 __be32 fh_fill_post_attrs(struct svc_fh *fhp);
 __be32 __must_check fh_fill_both_attrs(struct svc_fh *fhp);

-- 
2.47.0