shmem: convert to ctime accessor functions

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

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-Id: <20230705190309.579783-85-jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/mm/shmem.c b/mm/shmem.c
index a7dfbd2..72129c1 100644 (file)
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1047,7 +1047,7 @@ whole_folios:
 void shmem_truncate_range(struct inode *inode, loff_t lstart, loff_t lend)
 {
        shmem_undo_range(inode, lstart, lend, false);
-       inode->i_ctime = inode->i_mtime = current_time(inode);
+       inode->i_mtime = inode_set_ctime_current(inode);
        inode_inc_iversion(inode);
 }
 EXPORT_SYMBOL_GPL(shmem_truncate_range);
@@ -1144,9 +1144,9 @@ static int shmem_setattr(struct mnt_idmap *idmap,
        if (attr->ia_valid & ATTR_MODE)
                error = posix_acl_chmod(idmap, dentry, inode->i_mode);
        if (!error && update_ctime) {
-               inode->i_ctime = current_time(inode);
+               inode_set_ctime_current(inode);
                if (update_mtime)
-                       inode->i_mtime = inode->i_ctime;
+                       inode->i_mtime = inode_get_ctime(inode);
                inode_inc_iversion(inode);
        }
        return error;
@@ -2372,7 +2372,7 @@ static struct inode *shmem_get_inode(struct mnt_idmap *idmap, struct super_block
                inode->i_ino = ino;
                inode_init_owner(idmap, inode, dir, mode);
                inode->i_blocks = 0;
-               inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
+               inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
                inode->i_generation = get_random_u32();
                info = SHMEM_I(inode);
                memset(info, 0, (char *)inode - (char *)info);
@@ -3084,7 +3084,7 @@ shmem_mknod(struct mnt_idmap *idmap, struct inode *dir,
 
                error = 0;
                dir->i_size += BOGO_DIRENT_SIZE;
-               dir->i_ctime = dir->i_mtime = current_time(dir);
+               dir->i_mtime = inode_set_ctime_current(dir);
                inode_inc_iversion(dir);
                d_instantiate(dentry, inode);
                dget(dentry); /* Extra count - pin the dentry in core */
@@ -3160,7 +3160,8 @@ static int shmem_link(struct dentry *old_dentry, struct inode *dir, struct dentr
        }
 
        dir->i_size += BOGO_DIRENT_SIZE;
-       inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode);
+       dir->i_mtime = inode_set_ctime_to_ts(dir,
+                                            inode_set_ctime_current(inode));
        inode_inc_iversion(dir);
        inc_nlink(inode);
        ihold(inode);   /* New dentry reference */
@@ -3178,7 +3179,8 @@ static int shmem_unlink(struct inode *dir, struct dentry *dentry)
                shmem_free_inode(inode->i_sb);
 
        dir->i_size -= BOGO_DIRENT_SIZE;
-       inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode);
+       dir->i_mtime = inode_set_ctime_to_ts(dir,
+                                            inode_set_ctime_current(inode));
        inode_inc_iversion(dir);
        drop_nlink(inode);
        dput(dentry);   /* Undo the count from "create" - this does all the work */
@@ -3320,7 +3322,7 @@ static int shmem_symlink(struct mnt_idmap *idmap, struct inode *dir,
                folio_put(folio);
        }
        dir->i_size += BOGO_DIRENT_SIZE;
-       dir->i_ctime = dir->i_mtime = current_time(dir);
+       dir->i_mtime = inode_set_ctime_current(dir);
        inode_inc_iversion(dir);
        d_instantiate(dentry, inode);
        dget(dentry);
@@ -3392,7 +3394,7 @@ static int shmem_fileattr_set(struct mnt_idmap *idmap,
                (fa->flags & SHMEM_FL_USER_MODIFIABLE);
 
        shmem_set_inode_flags(inode, info->fsflags);
-       inode->i_ctime = current_time(inode);
+       inode_set_ctime_current(inode);
        inode_inc_iversion(inode);
        return 0;
 }
@@ -3462,7 +3464,7 @@ static int shmem_xattr_handler_set(const struct xattr_handler *handler,
        name = xattr_full_name(handler, name);
        err = simple_xattr_set(&info->xattrs, name, value, size, flags, NULL);
        if (!err) {
-               inode->i_ctime = current_time(inode);
+               inode_set_ctime_current(inode);
                inode_inc_iversion(inode);
        }
        return err;