diff options
Diffstat (limited to 'fs/overlayfs/super.c')
-rw-r--r-- | fs/overlayfs/super.c | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index fc3a6ff648bd..4ab66e3d4cff 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -855,10 +855,8 @@ static int ovl_get_indexdir(struct super_block *sb, struct ovl_fs *ofs, if (IS_ERR(indexdir)) { err = PTR_ERR(indexdir); } else if (indexdir) { - ofs->indexdir = indexdir; - ofs->workdir = dget(indexdir); - - err = ovl_setup_trap(sb, ofs->indexdir, &ofs->indexdir_trap, + ofs->workdir = indexdir; + err = ovl_setup_trap(sb, indexdir, &ofs->workdir_trap, "indexdir"); if (err) goto out; @@ -871,16 +869,15 @@ static int ovl_get_indexdir(struct super_block *sb, struct ovl_fs *ofs, * ".overlay.upper" to indicate that index may have * directory entries. */ - if (ovl_check_origin_xattr(ofs, ofs->indexdir)) { - err = ovl_verify_origin_xattr(ofs, ofs->indexdir, + if (ovl_check_origin_xattr(ofs, indexdir)) { + err = ovl_verify_origin_xattr(ofs, indexdir, OVL_XATTR_ORIGIN, upperpath->dentry, true, false); if (err) pr_err("failed to verify index dir 'origin' xattr\n"); } - err = ovl_verify_upper(ofs, ofs->indexdir, upperpath->dentry, - true); + err = ovl_verify_upper(ofs, indexdir, upperpath->dentry, true); if (err) pr_err("failed to verify index dir 'upper' xattr\n"); @@ -888,7 +885,7 @@ static int ovl_get_indexdir(struct super_block *sb, struct ovl_fs *ofs, if (!err) err = ovl_indexdir_cleanup(ofs); } - if (err || !ofs->indexdir) + if (err || !indexdir) pr_warn("try deleting index dir or mounting with '-o index=off' to disable inodes index.\n"); out: @@ -1408,7 +1405,7 @@ int ovl_fill_super(struct super_block *sb, struct fs_context *fc) goto out_free_oe; /* Force r/o mount with no index dir */ - if (!ofs->indexdir) + if (!ofs->workdir) sb->s_flags |= SB_RDONLY; } @@ -1417,7 +1414,7 @@ int ovl_fill_super(struct super_block *sb, struct fs_context *fc) goto out_free_oe; /* Show index=off in /proc/mounts for forced r/o mount */ - if (!ofs->indexdir) { + if (!ofs->workdir) { ofs->config.index = false; if (ovl_upper_mnt(ofs) && ofs->config.nfs_export) { pr_warn("NFS export requires an index dir, falling back to nfs_export=off.\n"); @@ -1456,6 +1453,7 @@ int ovl_fill_super(struct super_block *sb, struct fs_context *fc) * lead to unexpected results. */ sb->s_iflags |= SB_I_NOUMASK; + sb->s_iflags |= SB_I_EVM_UNSUPPORTED; err = -ENOMEM; root_dentry = ovl_get_root(sb, ctx->upper.dentry, oe); @@ -1503,14 +1501,10 @@ static int __init ovl_init(void) if (ovl_inode_cachep == NULL) return -ENOMEM; - err = ovl_aio_request_cache_init(); - if (!err) { - err = register_filesystem(&ovl_fs_type); - if (!err) - return 0; + err = register_filesystem(&ovl_fs_type); + if (!err) + return 0; - ovl_aio_request_cache_destroy(); - } kmem_cache_destroy(ovl_inode_cachep); return err; @@ -1526,7 +1520,6 @@ static void __exit ovl_exit(void) */ rcu_barrier(); kmem_cache_destroy(ovl_inode_cachep); - ovl_aio_request_cache_destroy(); } module_init(ovl_init); |