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| author |   Christian Brauner <brauner@kernel.org> | 2024-02-18 14:50:13 +0100 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2024-03-01 12:23:44 +0100 |
| commit | 07fd7c329839cf0b8c7766883d830a1a0d12d1dd (patch) | |
| tree | a12a4d6447b3b602d7a8f28019d27d18019c21dd /fs/internal.h | |
| parent | pidfd: add pidfs (diff) | |
| download | wireguard-linux-07fd7c329839cf0b8c7766883d830a1a0d12d1dd.tar.xz wireguard-linux-07fd7c329839cf0b8c7766883d830a1a0d12d1dd.zip | |
libfs: add path_from_stashed()
Add a helper for both nsfs and pidfs to reuse an already stashed dentry
or to add and stash a new dentry.
Link: https://lore.kernel.org/r/20240218-neufahrzeuge-brauhaus-fb0eb6459771@brauner
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/internal.h')
| -rw-r--r-- | fs/internal.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/internal.h b/fs/internal.h index b67406435fc0..cfddaec6fbf6 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -310,3 +310,6 @@ ssize_t __kernel_write_iter(struct file *file, struct iov_iter *from, loff_t *po struct mnt_idmap *alloc_mnt_idmap(struct user_namespace *mnt_userns); struct mnt_idmap *mnt_idmap_get(struct mnt_idmap *idmap); void mnt_idmap_put(struct mnt_idmap *idmap); +int path_from_stashed(struct dentry **stashed, unsigned long ino, + struct vfsmount *mnt, const struct file_operations *fops, + void *data, struct path *path); |