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path: root/fs/overlayfs/copy_up.c
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Diffstat (limited to 'fs/overlayfs/copy_up.c')
-rw-r--r--fs/overlayfs/copy_up.c44
1 files changed, 24 insertions, 20 deletions
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index 0ed70eff9cb9..5fc32483afed 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -117,7 +117,7 @@ retry:
goto retry;
}
- error = vfs_setxattr(&init_user_ns, new, name, value, size, 0);
+ error = ovl_do_setxattr(OVL_FS(sb), new, name, value, size, 0);
if (error) {
if (error != -EOPNOTSUPP || ovl_must_copy_xattr(name))
break;
@@ -433,7 +433,7 @@ static int ovl_set_upper_fh(struct ovl_fs *ofs, struct dentry *upper,
if (IS_ERR(fh))
return PTR_ERR(fh);
- err = ovl_do_setxattr(ofs, index, OVL_XATTR_UPPER, fh->buf, fh->fb.len);
+ err = ovl_setxattr(ofs, index, OVL_XATTR_UPPER, fh->buf, fh->fb.len);
kfree(fh);
return err;
@@ -474,7 +474,7 @@ static int ovl_create_index(struct dentry *dentry, struct dentry *origin,
if (err)
return err;
- temp = ovl_create_temp(indexdir, OVL_CATTR(S_IFDIR | 0));
+ temp = ovl_create_temp(ofs, indexdir, OVL_CATTR(S_IFDIR | 0));
err = PTR_ERR(temp);
if (IS_ERR(temp))
goto free_name;
@@ -487,12 +487,12 @@ static int ovl_create_index(struct dentry *dentry, struct dentry *origin,
if (IS_ERR(index)) {
err = PTR_ERR(index);
} else {
- err = ovl_do_rename(dir, temp, dir, index, 0);
+ err = ovl_do_rename(ofs, dir, temp, dir, index, 0);
dput(index);
}
out:
if (err)
- ovl_cleanup(dir, temp);
+ ovl_cleanup(ofs, dir, temp);
dput(temp);
free_name:
kfree(name.name);
@@ -519,6 +519,7 @@ static int ovl_link_up(struct ovl_copy_up_ctx *c)
int err;
struct dentry *upper;
struct dentry *upperdir = ovl_dentry_upper(c->parent);
+ struct ovl_fs *ofs = OVL_FS(c->dentry->d_sb);
struct inode *udir = d_inode(upperdir);
/* Mark parent "impure" because it may now contain non-pure upper */
@@ -535,8 +536,7 @@ static int ovl_link_up(struct ovl_copy_up_ctx *c)
c->dentry->d_name.len);
err = PTR_ERR(upper);
if (!IS_ERR(upper)) {
- err = ovl_do_link(ovl_dentry_upper(c->dentry), udir, upper);
- dput(upper);
+ err = ovl_do_link(ofs, ovl_dentry_upper(c->dentry), udir, upper);
if (!err) {
/* Restore timestamps on parent (best effort) */
@@ -544,6 +544,7 @@ static int ovl_link_up(struct ovl_copy_up_ctx *c)
ovl_dentry_set_upper_alias(c->dentry);
ovl_dentry_update_reval(c->dentry, upper);
}
+ dput(upper);
}
inode_unlock(udir);
if (err)
@@ -658,6 +659,7 @@ static void ovl_revert_cu_creds(struct ovl_cu_creds *cc)
*/
static int ovl_copy_up_workdir(struct ovl_copy_up_ctx *c)
{
+ struct ovl_fs *ofs = OVL_FS(c->dentry->d_sb);
struct inode *inode;
struct inode *udir = d_inode(c->destdir), *wdir = d_inode(c->workdir);
struct dentry *temp, *upper;
@@ -679,7 +681,7 @@ static int ovl_copy_up_workdir(struct ovl_copy_up_ctx *c)
if (err)
goto unlock;
- temp = ovl_create_temp(c->workdir, &cattr);
+ temp = ovl_create_temp(ofs, c->workdir, &cattr);
ovl_revert_cu_creds(&cc);
err = PTR_ERR(temp);
@@ -701,7 +703,7 @@ static int ovl_copy_up_workdir(struct ovl_copy_up_ctx *c)
if (IS_ERR(upper))
goto cleanup;
- err = ovl_do_rename(wdir, temp, udir, upper, 0);
+ err = ovl_do_rename(ofs, wdir, temp, udir, upper, 0);
dput(upper);
if (err)
goto cleanup;
@@ -718,7 +720,7 @@ unlock:
return err;
cleanup:
- ovl_cleanup(wdir, temp);
+ ovl_cleanup(ofs, wdir, temp);
dput(temp);
goto unlock;
}
@@ -726,6 +728,7 @@ cleanup:
/* Copyup using O_TMPFILE which does not require cross dir locking */
static int ovl_copy_up_tmpfile(struct ovl_copy_up_ctx *c)
{
+ struct ovl_fs *ofs = OVL_FS(c->dentry->d_sb);
struct inode *udir = d_inode(c->destdir);
struct dentry *temp, *upper;
struct ovl_cu_creds cc;
@@ -735,7 +738,7 @@ static int ovl_copy_up_tmpfile(struct ovl_copy_up_ctx *c)
if (err)
return err;
- temp = ovl_do_tmpfile(c->workdir, c->stat.mode);
+ temp = ovl_do_tmpfile(ofs, c->workdir, c->stat.mode);
ovl_revert_cu_creds(&cc);
if (IS_ERR(temp))
@@ -750,7 +753,7 @@ static int ovl_copy_up_tmpfile(struct ovl_copy_up_ctx *c)
upper = lookup_one_len(c->destname.name, c->destdir, c->destname.len);
err = PTR_ERR(upper);
if (!IS_ERR(upper)) {
- err = ovl_do_link(temp, udir, upper);
+ err = ovl_do_link(ofs, temp, udir, upper);
dput(upper);
}
inode_unlock(udir);
@@ -868,12 +871,13 @@ static bool ovl_need_meta_copy_up(struct dentry *dentry, umode_t mode,
return true;
}
-static ssize_t ovl_getxattr(struct dentry *dentry, char *name, char **value)
+static ssize_t ovl_getxattr_value(struct ovl_fs *ofs, struct dentry *dentry,
+ char *name, char **value)
{
ssize_t res;
char *buf;
- res = vfs_getxattr(&init_user_ns, dentry, name, NULL, 0);
+ res = ovl_do_getxattr(ofs, dentry, name, NULL, 0);
if (res == -ENODATA || res == -EOPNOTSUPP)
res = 0;
@@ -882,7 +886,7 @@ static ssize_t ovl_getxattr(struct dentry *dentry, char *name, char **value)
if (!buf)
return -ENOMEM;
- res = vfs_getxattr(&init_user_ns, dentry, name, buf, res);
+ res = ovl_do_getxattr(ofs, dentry, name, buf, res);
if (res < 0)
kfree(buf);
else
@@ -909,8 +913,8 @@ static int ovl_copy_up_meta_inode_data(struct ovl_copy_up_ctx *c)
return -EIO;
if (c->stat.size) {
- err = cap_size = ovl_getxattr(upperpath.dentry, XATTR_NAME_CAPS,
- &capability);
+ err = cap_size = ovl_getxattr_value(ofs, upperpath.dentry,
+ XATTR_NAME_CAPS, &capability);
if (cap_size < 0)
goto out;
}
@@ -924,14 +928,14 @@ static int ovl_copy_up_meta_inode_data(struct ovl_copy_up_ctx *c)
* don't want that to happen for normal copy-up operation.
*/
if (capability) {
- err = vfs_setxattr(&init_user_ns, upperpath.dentry,
- XATTR_NAME_CAPS, capability, cap_size, 0);
+ err = ovl_do_setxattr(ofs, upperpath.dentry, XATTR_NAME_CAPS,
+ capability, cap_size, 0);
if (err)
goto out_free;
}
- err = ovl_do_removexattr(ofs, upperpath.dentry, OVL_XATTR_METACOPY);
+ err = ovl_removexattr(ofs, upperpath.dentry, OVL_XATTR_METACOPY);
if (err)
goto out_free;
generated by cgit v1.2.3 (git 2.0.4) at 2025-06-13 09:59:59 +0000