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configfs_create(): lift parent timestamp updates into callers

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... and do *not* do it in ->lookup() case.  stat foo/bar
should not update mtime of foo, TYVM...

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2026-05-18 23:48:50 -04:00
parent 43b45755e8
commit 967c898d9d
2 changed files with 5 additions and 4 deletions
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6
fs/configfs/dir.c
View File

@ -296,6 +296,7 @@ static int configfs_create_dir(struct config_item *item, struct dentry *dentry,
int error;
umode_t mode = S_IFDIR| S_IRWXU | S_IRUGO | S_IXUGO;
struct dentry *p = dentry->d_parent;
struct inode *p_inode = d_inode(p);
struct inode *inode;
BUG_ON(!item);
@ -316,7 +317,8 @@ static int configfs_create_dir(struct config_item *item, struct dentry *dentry,
/* directory inodes start off with i_nlink == 2 (for "." entry) */
inc_nlink(inode);
d_make_persistent(dentry, inode);
inc_nlink(d_inode(p));
inc_nlink(p_inode);
inode_set_mtime_to_ts(p_inode, inode_set_ctime_current(p_inode));
item->ci_dentry = dentry;
return 0;
@ -370,6 +372,7 @@ int configfs_create_link(struct configfs_dirent *target, struct dentry *parent,
int err = 0;
umode_t mode = S_IFLNK | S_IRWXUGO;
struct configfs_dirent *p = parent->d_fsdata;
struct inode *p_inode = d_inode(parent);
struct inode *inode;
err = configfs_make_dirent(p, dentry, target, mode, CONFIGFS_ITEM_LINK,
@ -384,6 +387,7 @@ int configfs_create_link(struct configfs_dirent *target, struct dentry *parent,
inode->i_link = body;
inode->i_op = &configfs_symlink_inode_operations;
d_make_persistent(dentry, inode);
inode_set_mtime_to_ts(p_inode, inode_set_ctime_current(p_inode));
return 0;
out_remove:

3
fs/configfs/inode.c
View File

@ -157,7 +157,6 @@ struct inode *configfs_create(struct dentry *dentry, umode_t mode)
{
struct inode *inode = NULL;
struct configfs_dirent *sd;
struct inode *p_inode;
if (!dentry)
return ERR_PTR(-ENOENT);
@ -170,8 +169,6 @@ struct inode *configfs_create(struct dentry *dentry, umode_t mode)
if (!inode)
return ERR_PTR(-ENOMEM);
p_inode = d_inode(dentry->d_parent);
inode_set_mtime_to_ts(p_inode, inode_set_ctime_current(p_inode));
configfs_set_inode_lock_class(sd, inode);
return inode;
}