@@ -106,10 +106,11 @@ int ovl_check_fh_len(struct ovl_fh *fh, int fh_len)
static struct ovl_fh *ovl_get_fh(struct dentry *dentry, const char *name)
{
- int res, err;
+ ssize_t res;
+ int err;
struct ovl_fh *fh = NULL;
- res = vfs_getxattr(dentry, name, NULL, 0);
+ res = ovl_do_vfs_getxattr(dentry, name, NULL, 0);
if (res < 0) {
if (res == -ENODATA || res == -EOPNOTSUPP)
return NULL;
@@ -123,7 +124,7 @@ static struct ovl_fh *ovl_get_fh(struct dentry *dentry, const char *name)
if (!fh)
return ERR_PTR(-ENOMEM);
- res = vfs_getxattr(dentry, name, fh, res);
+ res = ovl_do_vfs_getxattr(dentry, name, fh, res);
if (res < 0)
goto fail;
@@ -141,10 +142,11 @@ static struct ovl_fh *ovl_get_fh(struct dentry *dentry, const char *name)
return NULL;
fail:
- pr_warn_ratelimited("overlayfs: failed to get origin (%i)\n", res);
+ pr_warn_ratelimited("overlayfs: failed to get origin (%zi)\n", res);
goto out;
invalid:
- pr_warn_ratelimited("overlayfs: invalid origin (%*phN)\n", res, fh);
+ pr_warn_ratelimited("overlayfs: invalid origin (%*phN)\n",
+ (int)res, fh);
goto out;
}
@@ -212,6 +212,13 @@ static inline bool ovl_open_flags_need_copy_up(int flags)
return ((OPEN_FMODE(flags) & FMODE_WRITE) || (flags & O_TRUNC));
}
+static inline ssize_t ovl_do_vfs_getxattr(struct dentry *dentry,
+ const char *name, void *buf,
+ size_t size)
+{
+ return __vfs_getxattr(dentry, d_inode(dentry), name, buf, size);
+}
+
/* util.c */
int ovl_want_write(struct dentry *dentry);
void ovl_drop_write(struct dentry *dentry);
@@ -550,9 +550,9 @@ void ovl_copy_up_end(struct dentry *dentry)
bool ovl_check_origin_xattr(struct dentry *dentry)
{
- int res;
+ ssize_t res;
- res = vfs_getxattr(dentry, OVL_XATTR_ORIGIN, NULL, 0);
+ res = ovl_do_vfs_getxattr(dentry, OVL_XATTR_ORIGIN, NULL, 0);
/* Zero size value means "copied up but origin unknown" */
if (res >= 0)
@@ -563,13 +563,13 @@ bool ovl_check_origin_xattr(struct dentry *dentry)
bool ovl_check_dir_xattr(struct dentry *dentry, const char *name)
{
- int res;
+ ssize_t res;
char val;
if (!d_is_dir(dentry))
return false;
- res = vfs_getxattr(dentry, name, &val, 1);
+ res = ovl_do_vfs_getxattr(dentry, name, &val, 1);
if (res == 1 && val == 'y')
return true;
@@ -850,13 +850,13 @@ int ovl_lock_rename_workdir(struct dentry *workdir, struct dentry *upperdir)
/* err < 0, 0 if no metacopy xattr, 1 if metacopy xattr found */
int ovl_check_metacopy_xattr(struct dentry *dentry)
{
- int res;
+ ssize_t res;
/* Only regular files can have metacopy xattr */
if (!S_ISREG(d_inode(dentry)->i_mode))
return 0;
- res = vfs_getxattr(dentry, OVL_XATTR_METACOPY, NULL, 0);
+ res = ovl_do_vfs_getxattr(dentry, OVL_XATTR_METACOPY, NULL, 0);
if (res < 0) {
if (res == -ENODATA || res == -EOPNOTSUPP)
return 0;
@@ -865,7 +865,7 @@ int ovl_check_metacopy_xattr(struct dentry *dentry)
return 1;
out:
- pr_warn_ratelimited("overlayfs: failed to get metacopy (%i)\n", res);
+ pr_warn_ratelimited("overlayfs: failed to get metacopy (%zi)\n", res);
return res;
}
@@ -891,7 +891,7 @@ ssize_t ovl_getxattr(struct dentry *dentry, char *name, char **value,
ssize_t res;
char *buf = NULL;
- res = vfs_getxattr(dentry, name, NULL, 0);
+ res = ovl_do_vfs_getxattr(dentry, name, NULL, 0);
if (res < 0) {
if (res == -ENODATA || res == -EOPNOTSUPP)
return -ENODATA;
@@ -903,7 +903,7 @@ ssize_t ovl_getxattr(struct dentry *dentry, char *name, char **value,
if (!buf)
return -ENOMEM;
- res = vfs_getxattr(dentry, name, buf, res);
+ res = ovl_do_vfs_getxattr(dentry, name, buf, res);
if (res < 0)
goto fail;
}