diff options
Diffstat (limited to 'fs/overlayfs/super.c')
-rw-r--r-- | fs/overlayfs/super.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 5310271cf2e3..2ad1f8652ce6 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -784,7 +784,7 @@ retry: goto out_unlock; retried = true; - err = ovl_workdir_cleanup(dir, mnt, work, 0); + err = ovl_workdir_cleanup(ofs, dir, mnt, work, 0); dput(work); if (err == -EINVAL) { work = ERR_PTR(err); @@ -793,7 +793,7 @@ retry: goto retry; } - err = ovl_mkdir_real(dir, &work, attr.ia_mode); + err = ovl_mkdir_real(ofs, dir, &work, attr.ia_mode); if (err) goto out_dput; @@ -815,13 +815,13 @@ retry: * allowed as upper are limited to "normal" ones, where checking * for the above two errors is sufficient. */ - err = vfs_removexattr(&init_user_ns, work, - XATTR_NAME_POSIX_ACL_DEFAULT); + err = ovl_do_removexattr(ofs, work, + XATTR_NAME_POSIX_ACL_DEFAULT); if (err && err != -ENODATA && err != -EOPNOTSUPP) goto out_dput; - err = vfs_removexattr(&init_user_ns, work, - XATTR_NAME_POSIX_ACL_ACCESS); + err = ovl_do_removexattr(ofs, work, + XATTR_NAME_POSIX_ACL_ACCESS); if (err && err != -ENODATA && err != -EOPNOTSUPP) goto out_dput; @@ -1262,8 +1262,9 @@ out: * Returns 1 if RENAME_WHITEOUT is supported, 0 if not supported and * negative values if error is encountered. */ -static int ovl_check_rename_whiteout(struct dentry *workdir) +static int ovl_check_rename_whiteout(struct ovl_fs *ofs) { + struct dentry *workdir = ofs->workdir; struct inode *dir = d_inode(workdir); struct dentry *temp; struct dentry *dest; @@ -1273,12 +1274,12 @@ static int ovl_check_rename_whiteout(struct dentry *workdir) inode_lock_nested(dir, I_MUTEX_PARENT); - temp = ovl_create_temp(workdir, OVL_CATTR(S_IFREG | 0)); + temp = ovl_create_temp(ofs, workdir, OVL_CATTR(S_IFREG | 0)); err = PTR_ERR(temp); if (IS_ERR(temp)) goto out_unlock; - dest = ovl_lookup_temp(workdir); + dest = ovl_lookup_temp(ofs, workdir); err = PTR_ERR(dest); if (IS_ERR(dest)) { dput(temp); @@ -1287,7 +1288,7 @@ static int ovl_check_rename_whiteout(struct dentry *workdir) /* Name is inline and stable - using snapshot as a copy helper */ take_dentry_name_snapshot(&name, temp); - err = ovl_do_rename(dir, temp, dir, dest, RENAME_WHITEOUT); + err = ovl_do_rename(ofs, dir, temp, dir, dest, RENAME_WHITEOUT); if (err) { if (err == -EINVAL) err = 0; @@ -1303,11 +1304,11 @@ static int ovl_check_rename_whiteout(struct dentry *workdir) /* Best effort cleanup of whiteout and temp file */ if (err) - ovl_cleanup(dir, whiteout); + ovl_cleanup(ofs, dir, whiteout); dput(whiteout); cleanup_temp: - ovl_cleanup(dir, temp); + ovl_cleanup(ofs, dir, temp); release_dentry_name_snapshot(&name); dput(temp); dput(dest); @@ -1318,7 +1319,8 @@ out_unlock: return err; } -static struct dentry *ovl_lookup_or_create(struct dentry *parent, +static struct dentry *ovl_lookup_or_create(struct ovl_fs *ofs, + struct dentry *parent, const char *name, umode_t mode) { size_t len = strlen(name); @@ -1327,7 +1329,7 @@ static struct dentry *ovl_lookup_or_create(struct dentry *parent, inode_lock_nested(parent->d_inode, I_MUTEX_PARENT); child = lookup_one_len(name, parent, len); if (!IS_ERR(child) && !child->d_inode) - child = ovl_create_real(parent->d_inode, child, + child = ovl_create_real(ofs, parent->d_inode, child, OVL_CATTR(mode)); inode_unlock(parent->d_inode); dput(parent); @@ -1349,7 +1351,7 @@ static int ovl_create_volatile_dirty(struct ovl_fs *ofs) const char *const *name = volatile_path; for (ctr = ARRAY_SIZE(volatile_path); ctr; ctr--, name++) { - d = ovl_lookup_or_create(d, *name, ctr > 1 ? S_IFDIR : S_IFREG); + d = ovl_lookup_or_create(ofs, d, *name, ctr > 1 ? S_IFDIR : S_IFREG); if (IS_ERR(d)) return PTR_ERR(d); } @@ -1397,7 +1399,7 @@ static int ovl_make_workdir(struct super_block *sb, struct ovl_fs *ofs, pr_warn("upper fs needs to support d_type.\n"); /* Check if upper/work fs supports O_TMPFILE */ - temp = ovl_do_tmpfile(ofs->workdir, S_IFREG | 0); + temp = ovl_do_tmpfile(ofs, ofs->workdir, S_IFREG | 0); ofs->tmpfile = !IS_ERR(temp); if (ofs->tmpfile) dput(temp); @@ -1406,7 +1408,7 @@ static int ovl_make_workdir(struct super_block *sb, struct ovl_fs *ofs, /* Check if upper/work fs supports RENAME_WHITEOUT */ - err = ovl_check_rename_whiteout(ofs->workdir); + err = ovl_check_rename_whiteout(ofs); if (err < 0) goto out; @@ -1417,7 +1419,7 @@ static int ovl_make_workdir(struct super_block *sb, struct ovl_fs *ofs, /* * Check if upper/work fs supports (trusted|user).overlay.* xattr */ - err = ovl_do_setxattr(ofs, ofs->workdir, OVL_XATTR_OPAQUE, "0", 1); + err = ovl_setxattr(ofs, ofs->workdir, OVL_XATTR_OPAQUE, "0", 1); if (err) { pr_warn("failed to set xattr on upper\n"); ofs->noxattr = true; @@ -1438,7 +1440,7 @@ static int ovl_make_workdir(struct super_block *sb, struct ovl_fs *ofs, pr_info("try mounting with 'userxattr' option\n"); err = 0; } else { - ovl_do_removexattr(ofs, ofs->workdir, OVL_XATTR_OPAQUE); + ovl_removexattr(ofs, ofs->workdir, OVL_XATTR_OPAQUE); } /* |