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| author | Amir Goldstein <amir73il@gmail.com> | 2023-04-03 20:36:16 +0300 |
|---|---|---|
| committer | Amir Goldstein <amir73il@gmail.com> | 2023-06-19 14:01:13 +0300 |
| commit | 163db0da3515d1d32343906a2fb7854492191d19 (patch) | |
| tree | b841dd58ee42fc5946172a7857633507d4b6c444 /fs/overlayfs/overlayfs.h | |
| parent | 5522c9c7cbd2ab4e886fa1c70896f0bdd483ce0b (diff) | |
| download | lwn-163db0da3515d1d32343906a2fb7854492191d19.tar.gz lwn-163db0da3515d1d32343906a2fb7854492191d19.zip | |
ovl: factor out ovl_free_entry() and ovl_stack_*() helpers
In preparation for moving lowerstack into ovl_inode.
Note that in ovl_lookup() the temp stack dentry refs are now cloned
into the final ovl_lowerstack instead of being transferred, so cleanup
always needs to call ovl_stack_free(stack).
Reviewed-by: Alexander Larsson <alexl@redhat.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 2b79a9398c13..4f83509a0294 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -373,7 +373,12 @@ int ovl_can_decode_fh(struct super_block *sb); struct dentry *ovl_indexdir(struct super_block *sb); bool ovl_index_all(struct super_block *sb); bool ovl_verify_lower(struct super_block *sb); +struct ovl_path *ovl_stack_alloc(unsigned int n); +void ovl_stack_cpy(struct ovl_path *dst, struct ovl_path *src, unsigned int n); +void ovl_stack_put(struct ovl_path *stack, unsigned int n); +void ovl_stack_free(struct ovl_path *stack, unsigned int n); struct ovl_entry *ovl_alloc_entry(unsigned int numlower); +void ovl_free_entry(struct ovl_entry *oe); bool ovl_dentry_remote(struct dentry *dentry); void ovl_dentry_update_reval(struct dentry *dentry, struct dentry *realdentry); void ovl_dentry_init_reval(struct dentry *dentry, struct dentry *upperdentry); |