diff options
| -rw-r--r-- | sys/fs/ext2fs/ext2_inode.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/sys/fs/ext2fs/ext2_inode.c b/sys/fs/ext2fs/ext2_inode.c index cb97c46..43b0fc9 100644 --- a/sys/fs/ext2fs/ext2_inode.c +++ b/sys/fs/ext2fs/ext2_inode.c @@ -224,14 +224,18 @@ ext2_truncate(struct vnode *vp, off_t length, int flags, struct ucred *cred, * will be returned to the free list. lastiblock values are also * normalized to -1 for calls to ext2_indirtrunc below. */ - bcopy((caddr_t)&oip->i_db[0], (caddr_t)oldblks, sizeof(oldblks)); - for (level = TRIPLE; level >= SINGLE; level--) + for (level = TRIPLE; level >= SINGLE; level--) { + oldblks[NDADDR + level] = oip->i_ib[level]; if (lastiblock[level] < 0) { oip->i_ib[level] = 0; lastiblock[level] = -1; } - for (i = NDADDR - 1; i > lastblock; i--) - oip->i_db[i] = 0; + } + for (i = 0; i < NDADDR; i++) { + oldblks[i] = oip->i_db[i]; + if (i > lastblock) + oip->i_db[i] = 0; + } oip->i_flag |= IN_CHANGE | IN_UPDATE; allerror = ext2_update(ovp, !DOINGASYNC(ovp)); @@ -241,8 +245,14 @@ ext2_truncate(struct vnode *vp, off_t length, int flags, struct ucred *cred, * Note that we save the new block configuration so we can check it * when we are done. */ - bcopy((caddr_t)&oip->i_db[0], (caddr_t)newblks, sizeof(newblks)); - bcopy((caddr_t)oldblks, (caddr_t)&oip->i_db[0], sizeof(oldblks)); + for (i = 0; i < NDADDR; i++) { + newblks[i] = oip->i_db[i]; + oip->i_db[i] = oldblks[i]; + } + for (i = 0; i < NIADDR; i++) { + newblks[NDADDR + i] = oip->i_ib[i]; + oip->i_ib[i] = oldblks[NDADDR + i]; + } oip->i_size = osize; error = vtruncbuf(ovp, cred, length, (int)fs->e2fs_bsize); if (error && (allerror == 0)) |
