mirror of https://github.com/vitalif/e2fsprogs
90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
/*
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* quota.c --- code for handling ext4 quota inodes
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*
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*/
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#include "config.h"
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#ifdef HAVE_SYS_MOUNT_H
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#include <sys/param.h>
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#include <sys/mount.h>
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#define MNT_FL (MS_MGC_VAL | MS_RDONLY)
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#endif
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#include "e2fsck.h"
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#include "problem.h"
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#include "quota/mkquota.h"
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static void move_quota_inode(ext2_filsys fs, ext2_ino_t from_ino,
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ext2_ino_t to_ino, int qtype)
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{
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struct ext2_super_block *sb = fs->super;
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ext2_ino_t ino;
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struct ext2_inode inode;
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errcode_t retval;
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char qf_name[255];
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if (ext2fs_read_inode(fs, from_ino, &inode))
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return;
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inode.i_links_count = 1;
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inode.i_mode = LINUX_S_IFREG | 0600;
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inode.i_flags = EXT2_IMMUTABLE_FL;
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if (fs->super->s_feature_incompat &
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EXT3_FEATURE_INCOMPAT_EXTENTS)
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inode.i_flags |= EXT4_EXTENTS_FL;
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ext2fs_write_new_inode(fs, to_ino, &inode);
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/* unlink the old inode */
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get_qf_name(qtype, QFMT_VFS_V1, qf_name);
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ext2fs_unlink(fs, EXT2_ROOT_INO, qf_name, from_ino, 0);
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ext2fs_inode_alloc_stats(fs, from_ino, -1);
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}
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void e2fsck_hide_quota(e2fsck_t ctx)
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{
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struct ext2_super_block *sb = ctx->fs->super;
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struct problem_context pctx;
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ext2_filsys fs = ctx->fs;
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clear_problem_context(&pctx);
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if ((ctx->options & E2F_OPT_READONLY) ||
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!(sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_QUOTA))
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return;
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/* We need the inode bitmap to be loaded */
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if (ext2fs_read_bitmaps(fs))
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return;
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if (!sb->s_usr_quota_inum && !sb->s_grp_quota_inum)
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/* nothing to do */
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return;
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if (sb->s_usr_quota_inum == EXT4_USR_QUOTA_INO &&
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sb->s_grp_quota_inum == EXT4_GRP_QUOTA_INO)
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/* nothing to do */
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return;
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if (!fix_problem(ctx, PR_0_HIDE_QUOTA, &pctx))
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return;
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if (sb->s_usr_quota_inum &&
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sb->s_usr_quota_inum != EXT4_USR_QUOTA_INO) {
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move_quota_inode(fs, sb->s_usr_quota_inum, EXT4_USR_QUOTA_INO,
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USRQUOTA);
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sb->s_usr_quota_inum = EXT4_USR_QUOTA_INO;
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}
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if (sb->s_grp_quota_inum &&
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sb->s_grp_quota_inum != EXT4_GRP_QUOTA_INO) {
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move_quota_inode(fs, sb->s_grp_quota_inum, EXT4_GRP_QUOTA_INO,
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GRPQUOTA);
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sb->s_grp_quota_inum = EXT4_GRP_QUOTA_INO;
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}
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return;
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}
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