[PATCH 17/79] ceph: switch to new ctime accessors

[Jeff Layton <jlayton@kernel.org>]

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@kernel.org>
---
 fs/ceph/acl.c   |  2 +-
 fs/ceph/caps.c  |  2 +-
 fs/ceph/inode.c | 17 ++++++++++-------
 fs/ceph/snap.c  |  2 +-
 fs/ceph/xattr.c |  2 +-
 5 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/fs/ceph/acl.c b/fs/ceph/acl.c
index 6945a938d396..a3de2b9c3a68 100644
--- a/fs/ceph/acl.c
+++ b/fs/ceph/acl.c
@@ -93,7 +93,7 @@ int ceph_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
 	char *value = NULL;
 	struct iattr newattrs;
 	struct inode *inode = d_inode(dentry);
-	struct timespec64 old_ctime = inode->i_ctime;
+	struct timespec64 old_ctime = inode_ctime_peek(inode);
 	umode_t new_mode = inode->i_mode, old_mode = inode->i_mode;
 
 	if (ceph_snap(inode) != CEPH_NOSNAP) {
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 2321e5ddb664..c144a07e334e 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1400,7 +1400,7 @@ static void __prep_cap(struct cap_msg_args *arg, struct ceph_cap *cap,
 
 	arg->mtime = inode->i_mtime;
 	arg->atime = inode->i_atime;
-	arg->ctime = inode->i_ctime;
+	arg->ctime = inode_ctime_peek(inode);
 	arg->btime = ci->i_btime;
 	arg->change_attr = inode_peek_iversion_raw(inode);
 
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 8e5f41d45283..f0b3b11d695e 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -100,7 +100,7 @@ struct inode *ceph_get_snapdir(struct inode *parent)
 	inode->i_uid = parent->i_uid;
 	inode->i_gid = parent->i_gid;
 	inode->i_mtime = parent->i_mtime;
-	inode->i_ctime = parent->i_ctime;
+	inode_ctime_set(inode, inode_ctime_peek(parent));
 	inode->i_atime = parent->i_atime;
 	ci->i_rbytes = 0;
 	ci->i_btime = ceph_inode(parent)->i_btime;
@@ -695,12 +695,14 @@ void ceph_fill_file_time(struct inode *inode, int issued,
 		      CEPH_CAP_FILE_BUFFER|
 		      CEPH_CAP_AUTH_EXCL|
 		      CEPH_CAP_XATTR_EXCL)) {
+		struct timespec64 ictime = inode_ctime_peek(inode);
+
 		if (ci->i_version == 0 ||
-		    timespec64_compare(ctime, &inode->i_ctime) > 0) {
+		    timespec64_compare(ctime, &ictime) > 0) {
 			dout("ctime %lld.%09ld -> %lld.%09ld inc w/ cap\n",
-			     inode->i_ctime.tv_sec, inode->i_ctime.tv_nsec,
+			     ictime.tv_sec, ictime.tv_nsec,
 			     ctime->tv_sec, ctime->tv_nsec);
-			inode->i_ctime = *ctime;
+			inode_ctime_set(inode, *ctime);
 		}
 		if (ci->i_version == 0 ||
 		    ceph_seq_cmp(time_warp_seq, ci->i_time_warp_seq) > 0) {
@@ -738,7 +740,7 @@ void ceph_fill_file_time(struct inode *inode, int issued,
 	} else {
 		/* we have no write|excl caps; whatever the MDS says is true */
 		if (ceph_seq_cmp(time_warp_seq, ci->i_time_warp_seq) >= 0) {
-			inode->i_ctime = *ctime;
+			inode_ctime_set(inode, *ctime);
 			inode->i_mtime = *mtime;
 			inode->i_atime = *atime;
 			ci->i_time_warp_seq = time_warp_seq;
@@ -2166,7 +2168,8 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr)
 		bool only = (ia_valid & (ATTR_SIZE|ATTR_MTIME|ATTR_ATIME|
 					 ATTR_MODE|ATTR_UID|ATTR_GID)) == 0;
 		dout("setattr %p ctime %lld.%ld -> %lld.%ld (%s)\n", inode,
-		     inode->i_ctime.tv_sec, inode->i_ctime.tv_nsec,
+		     inode_ctime_peek(inode).tv_sec,
+		     inode_ctime_peek(inode).tv_nsec,
 		     attr->ia_ctime.tv_sec, attr->ia_ctime.tv_nsec,
 		     only ? "ctime only" : "ignored");
 		if (only) {
@@ -2191,7 +2194,7 @@ 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 = attr->ia_ctime;
+		inode_ctime_set(inode, attr->ia_ctime);
 		inode_inc_iversion_raw(inode);
 	}
 
diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c
index 2e73ba62bd7a..f02df070fa84 100644
--- a/fs/ceph/snap.c
+++ b/fs/ceph/snap.c
@@ -660,7 +660,7 @@ int __ceph_finish_cap_snap(struct ceph_inode_info *ci,
 	capsnap->size = i_size_read(inode);
 	capsnap->mtime = inode->i_mtime;
 	capsnap->atime = inode->i_atime;
-	capsnap->ctime = inode->i_ctime;
+	capsnap->ctime = inode_ctime_peek(inode);
 	capsnap->btime = ci->i_btime;
 	capsnap->change_attr = inode_peek_iversion_raw(inode);
 	capsnap->time_warp_seq = ci->i_time_warp_seq;
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 806183959c47..8e217f7f58bd 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -1238,7 +1238,7 @@ int __ceph_setxattr(struct inode *inode, const char *name,
 		dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL,
 					       &prealloc_cf);
 		ci->i_xattrs.dirty = true;
-		inode->i_ctime = current_time(inode);
+		inode_ctime_set_current(inode);
 	}
 
 	spin_unlock(&ci->i_ceph_lock);
-- 
2.41.0