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| author | Amir Goldstein <amir73il@gmail.com> | 2017-05-17 00:12:40 +0300 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2017-05-18 17:11:24 +0300 |
| commit | 82b749b2c65e9d108c1c5598dc0a5f436b525f42 (patch) | |
| tree | 64b5d467ac3acc5f4d7f2776caac37e89ad35dea /fs/overlayfs/overlayfs.h | |
| parent | 8137ae26d25303e7b5cfb418fd28b976461e5b6e (diff) | |
| download | linux-82b749b2c65e9d108c1c5598dc0a5f436b525f42.tar.xz | |
ovl: check on mount time if upper fs supports setting xattr
xattr are needed by overlayfs for setting opaque dir, redirect dir
and copy up origin.
Check at mount time by trying to set the overlay.opaque xattr on the
workdir and if that fails issue a warning message.
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 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index caa36cb9c46d..ce7c3aba61e4 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -279,3 +279,6 @@ int ovl_copy_up(struct dentry *dentry); int ovl_copy_up_flags(struct dentry *dentry, int flags); int ovl_copy_xattr(struct dentry *old, struct dentry *new); int ovl_set_attr(struct dentry *upper, struct kstat *stat); +int ovl_check_setxattr(struct dentry *dentry, struct dentry *upperdentry, + const char *name, const void *value, size_t size, + int xerr); |