[PATCH 45/79] nfs: switch to new ctime accessors

From: Jeff Layton
Date: Wed Jun 21 2023 - 10:52:20 EST


In later patches, we're going to change how the ctime.tv_nsec field is
utilized. Switch to using accessor functions instead of raw accesses of
inode->i_ctime.

Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/nfs/callback_proc.c | 2 +-
fs/nfs/fscache.h | 4 ++--
fs/nfs/inode.c | 21 +++++++++++----------
3 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index c1eda73254e1..995654050815 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -59,7 +59,7 @@ __be32 nfs4_callback_getattr(void *argp, void *resp,
res->change_attr = delegation->change_attr;
if (nfs_have_writebacks(inode))
res->change_attr++;
- res->ctime = inode->i_ctime;
+ res->ctime = inode_ctime_peek(inode);
res->mtime = inode->i_mtime;
res->bitmap[0] = (FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE) &
args->bitmap[0];
diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h
index e1706e736c64..98be316c64a0 100644
--- a/fs/nfs/fscache.h
+++ b/fs/nfs/fscache.h
@@ -116,8 +116,8 @@ static inline void nfs_fscache_update_auxdata(struct nfs_fscache_inode_auxdata *
memset(auxdata, 0, sizeof(*auxdata));
auxdata->mtime_sec = inode->i_mtime.tv_sec;
auxdata->mtime_nsec = inode->i_mtime.tv_nsec;
- auxdata->ctime_sec = inode->i_ctime.tv_sec;
- auxdata->ctime_nsec = inode->i_ctime.tv_nsec;
+ auxdata->ctime_sec = inode_ctime_peek(inode).tv_sec;
+ auxdata->ctime_nsec = inode_ctime_peek(inode).tv_nsec;

if (NFS_SERVER(inode)->nfs_client->rpc_ops->version == 4)
auxdata->change_attr = inode_peek_iversion_raw(inode);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index a910b9a638c5..bc4cac08bb24 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -514,7 +514,8 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)

memset(&inode->i_atime, 0, sizeof(inode->i_atime));
memset(&inode->i_mtime, 0, sizeof(inode->i_mtime));
- memset(&inode->i_ctime, 0, sizeof(inode->i_ctime));
+ inode_ctime_set_sec(inode, 0);
+ inode_ctime_set_nsec(inode, 0);
inode_set_iversion_raw(inode, 0);
inode->i_size = 0;
clear_nlink(inode);
@@ -535,7 +536,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
else if (fattr_supported & NFS_ATTR_FATTR_MTIME)
nfs_set_cache_invalid(inode, NFS_INO_INVALID_MTIME);
if (fattr->valid & NFS_ATTR_FATTR_CTIME)
- inode->i_ctime = fattr->ctime;
+ inode_ctime_set(inode, fattr->ctime);
else if (fattr_supported & NFS_ATTR_FATTR_CTIME)
nfs_set_cache_invalid(inode, NFS_INO_INVALID_CTIME);
if (fattr->valid & NFS_ATTR_FATTR_CHANGE)
@@ -731,7 +732,7 @@ void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr,
if ((attr->ia_valid & ATTR_GID) != 0)
inode->i_gid = attr->ia_gid;
if (fattr->valid & NFS_ATTR_FATTR_CTIME)
- inode->i_ctime = fattr->ctime;
+ inode_ctime_set(inode, fattr->ctime);
else
nfs_set_cache_invalid(inode, NFS_INO_INVALID_CHANGE
| NFS_INO_INVALID_CTIME);
@@ -749,7 +750,7 @@ void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr,
nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATIME);

if (fattr->valid & NFS_ATTR_FATTR_CTIME)
- inode->i_ctime = fattr->ctime;
+ inode_ctime_set(inode, fattr->ctime);
else
nfs_set_cache_invalid(inode, NFS_INO_INVALID_CHANGE
| NFS_INO_INVALID_CTIME);
@@ -765,7 +766,7 @@ void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr,
nfs_set_cache_invalid(inode, NFS_INO_INVALID_MTIME);

if (fattr->valid & NFS_ATTR_FATTR_CTIME)
- inode->i_ctime = fattr->ctime;
+ inode_ctime_set(inode, fattr->ctime);
else
nfs_set_cache_invalid(inode, NFS_INO_INVALID_CHANGE
| NFS_INO_INVALID_CTIME);
@@ -1444,11 +1445,11 @@ static void nfs_wcc_update_inode(struct inode *inode, struct nfs_fattr *fattr)
nfs_set_cache_invalid(inode, NFS_INO_INVALID_XATTR);
}
/* If we have atomic WCC data, we may update some attributes */
- ts = inode->i_ctime;
+ ts = inode_ctime_peek(inode);
if ((fattr->valid & NFS_ATTR_FATTR_PRECTIME)
&& (fattr->valid & NFS_ATTR_FATTR_CTIME)
&& timespec64_equal(&ts, &fattr->pre_ctime)) {
- inode->i_ctime = fattr->ctime;
+ inode_ctime_set(inode, fattr->ctime);
}

ts = inode->i_mtime;
@@ -1510,7 +1511,7 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat
if ((fattr->valid & NFS_ATTR_FATTR_MTIME) && !timespec64_equal(&ts, &fattr->mtime))
invalid |= NFS_INO_INVALID_MTIME;

- ts = inode->i_ctime;
+ ts = inode_ctime_peek(inode);
if ((fattr->valid & NFS_ATTR_FATTR_CTIME) && !timespec64_equal(&ts, &fattr->ctime))
invalid |= NFS_INO_INVALID_CTIME;

@@ -1997,7 +1998,7 @@ int nfs_post_op_update_inode_force_wcc_locked(struct inode *inode, struct nfs_fa
}
if ((fattr->valid & NFS_ATTR_FATTR_CTIME) != 0 &&
(fattr->valid & NFS_ATTR_FATTR_PRECTIME) == 0) {
- fattr->pre_ctime = inode->i_ctime;
+ fattr->pre_ctime = inode_ctime_peek(inode);
fattr->valid |= NFS_ATTR_FATTR_PRECTIME;
}
if ((fattr->valid & NFS_ATTR_FATTR_MTIME) != 0 &&
@@ -2190,7 +2191,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
save_cache_validity & NFS_INO_INVALID_MTIME;

if (fattr->valid & NFS_ATTR_FATTR_CTIME)
- inode->i_ctime = fattr->ctime;
+ inode_ctime_set(inode, fattr->ctime);
else if (fattr_supported & NFS_ATTR_FATTR_CTIME)
nfsi->cache_validity |=
save_cache_validity & NFS_INO_INVALID_CTIME;
--
2.41.0