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134 lines
2.9 KiB
134 lines
2.9 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Copyright (C) International Business Machines Corp., 2000-2004 |
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*/ |
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#include <linux/fs.h> |
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#include <linux/quotaops.h> |
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#include "jfs_incore.h" |
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#include "jfs_inode.h" |
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#include "jfs_filsys.h" |
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#include "jfs_imap.h" |
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#include "jfs_dinode.h" |
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#include "jfs_debug.h" |
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void jfs_set_inode_flags(struct inode *inode) |
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{ |
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unsigned int flags = JFS_IP(inode)->mode2; |
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unsigned int new_fl = 0; |
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if (flags & JFS_IMMUTABLE_FL) |
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new_fl |= S_IMMUTABLE; |
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if (flags & JFS_APPEND_FL) |
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new_fl |= S_APPEND; |
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if (flags & JFS_NOATIME_FL) |
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new_fl |= S_NOATIME; |
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if (flags & JFS_DIRSYNC_FL) |
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new_fl |= S_DIRSYNC; |
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if (flags & JFS_SYNC_FL) |
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new_fl |= S_SYNC; |
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inode_set_flags(inode, new_fl, S_IMMUTABLE | S_APPEND | S_NOATIME | |
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S_DIRSYNC | S_SYNC); |
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} |
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/* |
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* NAME: ialloc() |
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* |
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* FUNCTION: Allocate a new inode |
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* |
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*/ |
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struct inode *ialloc(struct inode *parent, umode_t mode) |
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{ |
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struct super_block *sb = parent->i_sb; |
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struct inode *inode; |
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struct jfs_inode_info *jfs_inode; |
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int rc; |
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inode = new_inode(sb); |
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if (!inode) { |
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jfs_warn("ialloc: new_inode returned NULL!"); |
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return ERR_PTR(-ENOMEM); |
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} |
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jfs_inode = JFS_IP(inode); |
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rc = diAlloc(parent, S_ISDIR(mode), inode); |
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if (rc) { |
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jfs_warn("ialloc: diAlloc returned %d!", rc); |
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goto fail_put; |
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} |
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if (insert_inode_locked(inode) < 0) { |
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rc = -EINVAL; |
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goto fail_put; |
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} |
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inode_init_owner(&init_user_ns, inode, parent, mode); |
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/* |
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* New inodes need to save sane values on disk when |
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* uid & gid mount options are used |
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*/ |
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jfs_inode->saved_uid = inode->i_uid; |
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jfs_inode->saved_gid = inode->i_gid; |
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/* |
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* Allocate inode to quota. |
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*/ |
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rc = dquot_initialize(inode); |
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if (rc) |
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goto fail_drop; |
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rc = dquot_alloc_inode(inode); |
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if (rc) |
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goto fail_drop; |
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/* inherit flags from parent */ |
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jfs_inode->mode2 = JFS_IP(parent)->mode2 & JFS_FL_INHERIT; |
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if (S_ISDIR(mode)) { |
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jfs_inode->mode2 |= IDIRECTORY; |
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jfs_inode->mode2 &= ~JFS_DIRSYNC_FL; |
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} |
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else { |
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jfs_inode->mode2 |= INLINEEA | ISPARSE; |
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if (S_ISLNK(mode)) |
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jfs_inode->mode2 &= ~(JFS_IMMUTABLE_FL|JFS_APPEND_FL); |
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} |
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jfs_inode->mode2 |= inode->i_mode; |
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inode->i_blocks = 0; |
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inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); |
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jfs_inode->otime = inode->i_ctime.tv_sec; |
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inode->i_generation = JFS_SBI(sb)->gengen++; |
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jfs_inode->cflag = 0; |
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/* Zero remaining fields */ |
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memset(&jfs_inode->acl, 0, sizeof(dxd_t)); |
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memset(&jfs_inode->ea, 0, sizeof(dxd_t)); |
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jfs_inode->next_index = 0; |
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jfs_inode->acltype = 0; |
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jfs_inode->btorder = 0; |
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jfs_inode->btindex = 0; |
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jfs_inode->bxflag = 0; |
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jfs_inode->blid = 0; |
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jfs_inode->atlhead = 0; |
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jfs_inode->atltail = 0; |
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jfs_inode->xtlid = 0; |
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jfs_set_inode_flags(inode); |
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jfs_info("ialloc returns inode = 0x%p", inode); |
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return inode; |
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fail_drop: |
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dquot_drop(inode); |
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inode->i_flags |= S_NOQUOTA; |
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clear_nlink(inode); |
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discard_new_inode(inode); |
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return ERR_PTR(rc); |
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fail_put: |
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iput(inode); |
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return ERR_PTR(rc); |
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}
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