[PATCH 06/12] fs/ceph: consistently use `u32` for `time_warp_seq`

[Max Kellermann]

Previously, both `u32` and `u64` was used with implicit casts.  All
this does is add useless overhead.

This will allow better struct packing in `struct ceph_cap_snap`.

Signed-off-by: Max Kellermann <max.kellermann@xxxxxxxxx>
---
 fs/ceph/inode.c | 6 +++---
 fs/ceph/super.h | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index c26217ed2034..17df694fe978 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -915,7 +915,7 @@ void ceph_inode_set_subvolume(struct inode *inode, u64 subvolume_id)
 }
 
 void ceph_fill_file_time(struct inode *inode, int issued,
-			 u64 time_warp_seq, struct timespec64 *ctime,
+			 u32 time_warp_seq, struct timespec64 *ctime,
 			 struct timespec64 *mtime, struct timespec64 *atime)
 {
 	struct ceph_client *cl = ceph_inode_to_client(inode);
@@ -939,7 +939,7 @@ void ceph_fill_file_time(struct inode *inode, int issued,
 		    ceph_seq_cmp(time_warp_seq, ci->i_time_warp_seq) > 0) {
 			/* the MDS did a utimes() */
 			doutc(cl, "mtime %ptSp -> %ptSp tw %d -> %d\n", &imtime, mtime,
-			      ci->i_time_warp_seq, (int)time_warp_seq);
+			      ci->i_time_warp_seq, time_warp_seq);
 
 			inode_set_mtime_to_ts(inode, *mtime);
 			inode_set_atime_to_ts(inode, *atime);
@@ -971,7 +971,7 @@ void ceph_fill_file_time(struct inode *inode, int issued,
 		}
 	}
 	if (warn) /* time_warp_seq shouldn't go backwards */
-		doutc(cl, "%p mds time_warp_seq %llu < %u\n", inode,
+		doutc(cl, "%p mds time_warp_seq %u < %u\n", inode,
 		      time_warp_seq, ci->i_time_warp_seq);
 }
 
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 505a1552f355..9b5119b1d0a9 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -266,7 +266,7 @@ struct ceph_cap_snap {
 	u64 size;
 	u64 change_attr;
 	struct timespec64 mtime, atime, ctime, btime;
-	u64 time_warp_seq;
+	u32 time_warp_seq;
 	u64 truncate_size;
 	u32 truncate_seq;
 	bool writing;   /* a sync write is still in progress */
@@ -1091,7 +1091,7 @@ extern int ceph_fill_file_size(struct inode *inode, int issued,
 			       u32 truncate_seq, u64 truncate_size, u64 size);
 extern void ceph_inode_set_subvolume(struct inode *inode, u64 subvolume_id);
 extern void ceph_fill_file_time(struct inode *inode, int issued,
-				u64 time_warp_seq, struct timespec64 *ctime,
+				u32 time_warp_seq, struct timespec64 *ctime,
 				struct timespec64 *mtime,
 				struct timespec64 *atime);
 extern int ceph_fill_inode(struct inode *inode, struct page *locked_page,
-- 
2.47.3