From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- fs/jfs/jfs_inode.c | 134 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 fs/jfs/jfs_inode.c (limited to 'fs/jfs/jfs_inode.c') diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c new file mode 100644 index 0000000000..87594efa7f --- /dev/null +++ b/fs/jfs/jfs_inode.c @@ -0,0 +1,134 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) International Business Machines Corp., 2000-2004 + */ + +#include +#include +#include "jfs_incore.h" +#include "jfs_inode.h" +#include "jfs_filsys.h" +#include "jfs_imap.h" +#include "jfs_dinode.h" +#include "jfs_debug.h" + + +void jfs_set_inode_flags(struct inode *inode) +{ + unsigned int flags = JFS_IP(inode)->mode2; + unsigned int new_fl = 0; + + if (flags & JFS_IMMUTABLE_FL) + new_fl |= S_IMMUTABLE; + if (flags & JFS_APPEND_FL) + new_fl |= S_APPEND; + if (flags & JFS_NOATIME_FL) + new_fl |= S_NOATIME; + if (flags & JFS_DIRSYNC_FL) + new_fl |= S_DIRSYNC; + if (flags & JFS_SYNC_FL) + new_fl |= S_SYNC; + inode_set_flags(inode, new_fl, S_IMMUTABLE | S_APPEND | S_NOATIME | + S_DIRSYNC | S_SYNC); +} + +/* + * NAME: ialloc() + * + * FUNCTION: Allocate a new inode + * + */ +struct inode *ialloc(struct inode *parent, umode_t mode) +{ + struct super_block *sb = parent->i_sb; + struct inode *inode; + struct jfs_inode_info *jfs_inode; + int rc; + + inode = new_inode(sb); + if (!inode) { + jfs_warn("ialloc: new_inode returned NULL!"); + return ERR_PTR(-ENOMEM); + } + + jfs_inode = JFS_IP(inode); + + rc = diAlloc(parent, S_ISDIR(mode), inode); + if (rc) { + jfs_warn("ialloc: diAlloc returned %d!", rc); + goto fail_put; + } + + if (insert_inode_locked(inode) < 0) { + rc = -EINVAL; + goto fail_put; + } + + inode_init_owner(&nop_mnt_idmap, inode, parent, mode); + /* + * New inodes need to save sane values on disk when + * uid & gid mount options are used + */ + jfs_inode->saved_uid = inode->i_uid; + jfs_inode->saved_gid = inode->i_gid; + + /* + * Allocate inode to quota. + */ + rc = dquot_initialize(inode); + if (rc) + goto fail_drop; + rc = dquot_alloc_inode(inode); + if (rc) + goto fail_drop; + + /* inherit flags from parent */ + jfs_inode->mode2 = JFS_IP(parent)->mode2 & JFS_FL_INHERIT; + + if (S_ISDIR(mode)) { + jfs_inode->mode2 |= IDIRECTORY; + jfs_inode->mode2 &= ~JFS_DIRSYNC_FL; + } + else { + jfs_inode->mode2 |= INLINEEA | ISPARSE; + if (S_ISLNK(mode)) + jfs_inode->mode2 &= ~(JFS_IMMUTABLE_FL|JFS_APPEND_FL); + } + jfs_inode->mode2 |= inode->i_mode; + + inode->i_blocks = 0; + inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); + jfs_inode->otime = inode_get_ctime(inode).tv_sec; + inode->i_generation = JFS_SBI(sb)->gengen++; + + jfs_inode->cflag = 0; + + /* Zero remaining fields */ + memset(&jfs_inode->acl, 0, sizeof(dxd_t)); + memset(&jfs_inode->ea, 0, sizeof(dxd_t)); + jfs_inode->next_index = 0; + jfs_inode->acltype = 0; + jfs_inode->btorder = 0; + jfs_inode->btindex = 0; + jfs_inode->bxflag = 0; + jfs_inode->blid = 0; + jfs_inode->atlhead = 0; + jfs_inode->atltail = 0; + jfs_inode->xtlid = 0; + jfs_set_inode_flags(inode); + + jfs_info("ialloc returns inode = 0x%p", inode); + + return inode; + +fail_drop: + dquot_drop(inode); + inode->i_flags |= S_NOQUOTA; + clear_nlink(inode); + discard_new_inode(inode); + return ERR_PTR(rc); + +fail_put: + iput(inode); + return ERR_PTR(rc); +} -- cgit v1.2.3