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| author |   Amir Goldstein <amir73il@gmail.com> | 2020-09-29 15:28:47 +0800 |
|---|---|---|
| committer |   Miklos Szeredi <mszeredi@redhat.com> | 2020-10-06 15:38:14 +0200 |
| commit | 61536bed2149b082748f8a38c593d915ff3e5957 (patch) | |
| tree | 650bd20e89098381d36658935b3554ccee1b33ee /fs/overlayfs/overlayfs.h | |
| parent | ovl: rearrange ovl_can_list() (diff) | |
| download | linux-dev-61536bed2149b082748f8a38c593d915ff3e5957.tar.xz linux-dev-61536bed2149b082748f8a38c593d915ff3e5957.zip | |
ovl: support [S|G]ETFLAGS and FS[S|G]ETXATTR ioctls for directories
[S|G]ETFLAGS and FS[S|G]ETXATTR ioctls are applicable to both files and
directories, so add ioctl operations to dir as well.
We teach ovl_real_fdget() to get the realfile of directories which use
a different type of file->private_data.
Ifdef away compat ioctl implementation to conform to standard practice.
With this change, xfstest generic/079 which tests these ioctls on files
and directories passes.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 7bce2469fe55..f8880aa2ba0e 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -416,6 +416,7 @@ static inline int ovl_verify_upper(struct ovl_fs *ofs, struct dentry *index, /* readdir.c */ extern const struct file_operations ovl_dir_operations; +struct file *ovl_dir_real_file(const struct file *file, bool want_upper); int ovl_check_empty_dir(struct dentry *dentry, struct list_head *list); void ovl_cleanup_whiteouts(struct dentry *upper, struct list_head *list); void ovl_cache_free(struct list_head *list); @@ -503,6 +504,8 @@ struct dentry *ovl_create_temp(struct dentry *workdir, struct ovl_cattr *attr); extern const struct file_operations ovl_file_operations; int __init ovl_aio_request_cache_init(void); void ovl_aio_request_cache_destroy(void); +long ovl_ioctl(struct file *file, unsigned int cmd, unsigned long arg); +long ovl_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); /* copy_up.c */ int ovl_copy_up(struct dentry *dentry); |