diff options
| author | NeilBrown <neil@brown.name> | 2025-11-13 11:18:38 +1100 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-11-14 13:15:58 +0100 |
| commit | cf296b294c3bd8f7db229060efe677dfd49e46b6 (patch) | |
| tree | f95c11fca54fe2b9184e92ebbd1abaaf2275801c /fs/cachefiles | |
| parent | fe497f0759e0efb949f9480911d00b6045c21f50 (diff) | |
VFS: introduce end_creating_keep()
Occasionally the caller of end_creating() wants to keep using the dentry.
Rather then requiring them to dget() the dentry (when not an error)
before calling end_creating(), provide end_creating_keep() which does
this.
cachefiles and overlayfs make use of this.
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://patch.msgid.link/20251113002050.676694-16-neilb@ownmail.net
Tested-by: syzbot@syzkaller.appspotmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/cachefiles')
| -rw-r--r-- | fs/cachefiles/namei.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c index 59327618ac42..ef22ac19545b 100644 --- a/fs/cachefiles/namei.c +++ b/fs/cachefiles/namei.c @@ -155,8 +155,7 @@ retry: /* Tell rmdir() it's not allowed to delete the subdir */ inode_lock(d_inode(subdir)); - dget(subdir); - end_creating(subdir); + end_creating_keep(subdir); if (!__cachefiles_mark_inode_in_use(NULL, d_inode(subdir))) { pr_notice("cachefiles: Inode already in use: %pd (B=%lx)\n", |