opengnsys
/
ntfs-3g
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Write MFT records with the same USN during metadata cloning. This eases 

ntfsclone self-regression, which itself is going to validate other codes
edge.strict_endians
szaka 2006-02-05 19:35:20 +00:00
parent 31fac08864
commit 16b8bc1fd4
1 changed files with 15 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
ntfsprogs/ntfsclone.c
View File

@ -1006,6 +1006,19 @@ static void wipe_unused_mft(ntfs_inode *ni)
wiped_unused_mft += wipe_data((char *)m, sizeof(MFT_RECORD), unused);
}
static void mft_record_write_with_same_usn(ntfs_volume *volume, ntfs_inode *ni)
{
u16 usn, *usnp;
usnp = (u16 *)((char *)ni->mrec + le16_to_cpu(ni->mrec->usa_ofs));
usn = le16_to_cpup(usnp);
if (usn-- <= 1)
usn = 0xfffe;
*usnp = cpu_to_le16(usn);
if (ntfs_mft_record_write(volume, ni->mft_no, ni->mrec))
perr_exit("ntfs_mft_record_write");
}
static int walk_clusters(ntfs_volume *volume, struct ntfs_walk_cluster *walk)
{
@ -1049,8 +1062,7 @@ static int walk_clusters(ntfs_volume *volume, struct ntfs_walk_cluster *walk)
if (wipe) {
wipe_unused_mft(ni);
wipe_unused_mft_data(ni);
if (ntfs_mft_record_write(volume, ni->mft_no, ni->mrec))
perr_exit("ntfs_mft_record_write");
mft_record_write_with_same_usn(volume, ni);
}
}
@ -1079,8 +1091,7 @@ static int walk_clusters(ntfs_volume *volume, struct ntfs_walk_cluster *walk)
out:
if (wipe) {
wipe_unused_mft_data(ni);
if (ntfs_mft_record_write(volume, ni->mft_no, ni->mrec))
perr_exit("ntfs_mft_record_write");
mft_record_write_with_same_usn(volume, ni);
}
if (ntfs_inode_close(ni))