diff options
| author | Pavel Tikhomirov <ptikhomirov@virtuozzo.com> | 2020-10-13 17:59:53 +0300 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2020-11-12 13:31:55 +0300 |
| commit | 1cdb0cb662f890ff34382ceb1fa917917d3bc305 (patch) | |
| tree | a1963afbec96fedf0e25d08b61422a7095e34733 /fs/overlayfs/namei.c | |
| parent | 3650b228f83adda7e5ee532e2b90429c03f7b9ec (diff) | |
| download | linux-1cdb0cb662f890ff34382ceb1fa917917d3bc305.tar.xz | |
ovl: propagate ovl_fs to ovl_decode_real_fh and ovl_encode_real_fh
This will be used in next patch to be able to change uuid checks and add
uuid nullification based on ofs->config.index for a new "uuid=off" mode.
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/namei.c')
| -rw-r--r-- | fs/overlayfs/namei.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index a6162c4076db..f058bf8e8b87 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -150,8 +150,8 @@ invalid: goto out; } -struct dentry *ovl_decode_real_fh(struct ovl_fh *fh, struct vfsmount *mnt, - bool connected) +struct dentry *ovl_decode_real_fh(struct ovl_fs *ofs, struct ovl_fh *fh, + struct vfsmount *mnt, bool connected) { struct dentry *real; int bytes; @@ -354,7 +354,7 @@ int ovl_check_origin_fh(struct ovl_fs *ofs, struct ovl_fh *fh, bool connected, ofs->layers[i].fs->bad_uuid) continue; - origin = ovl_decode_real_fh(fh, ofs->layers[i].mnt, + origin = ovl_decode_real_fh(ofs, fh, ofs->layers[i].mnt, connected); if (origin) break; @@ -450,7 +450,7 @@ int ovl_verify_set_fh(struct ovl_fs *ofs, struct dentry *dentry, struct ovl_fh *fh; int err; - fh = ovl_encode_real_fh(real, is_upper); + fh = ovl_encode_real_fh(ofs, real, is_upper); err = PTR_ERR(fh); if (IS_ERR(fh)) { fh = NULL; @@ -488,7 +488,7 @@ struct dentry *ovl_index_upper(struct ovl_fs *ofs, struct dentry *index) if (IS_ERR_OR_NULL(fh)) return ERR_CAST(fh); - upper = ovl_decode_real_fh(fh, ovl_upper_mnt(ofs), true); + upper = ovl_decode_real_fh(ofs, fh, ovl_upper_mnt(ofs), true); kfree(fh); if (IS_ERR_OR_NULL(upper)) @@ -640,12 +640,13 @@ static int ovl_get_index_name_fh(struct ovl_fh *fh, struct qstr *name) * index dir was cleared. Either way, that index cannot be used to indentify * the overlay inode. */ -int ovl_get_index_name(struct dentry *origin, struct qstr *name) +int ovl_get_index_name(struct ovl_fs *ofs, struct dentry *origin, + struct qstr *name) { struct ovl_fh *fh; int err; - fh = ovl_encode_real_fh(origin, false); + fh = ovl_encode_real_fh(ofs, origin, false); if (IS_ERR(fh)) return PTR_ERR(fh); @@ -694,7 +695,7 @@ struct dentry *ovl_lookup_index(struct ovl_fs *ofs, struct dentry *upper, bool is_dir = d_is_dir(origin); int err; - err = ovl_get_index_name(origin, &name); + err = ovl_get_index_name(ofs, origin, &name); if (err) return ERR_PTR(err); @@ -805,7 +806,7 @@ static int ovl_fix_origin(struct ovl_fs *ofs, struct dentry *dentry, if (err) return err; - err = ovl_set_origin(dentry, lower, upper); + err = ovl_set_origin(ofs, dentry, lower, upper); if (!err) err = ovl_set_impure(dentry->d_parent, upper->d_parent); |