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ntfs_inode_attach_all_extents: don't try to attach base inode to itself and optimize algorithm a bit. 

(Logical change 1.669)
edge.strict_endians
void!yura 2005-01-27 18:31:08 +00:00
parent 3d44967a5d
commit 98ac77e115
1 changed files with 12 additions and 6 deletions
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18
libntfs/inode.c
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@ -2,7 +2,7 @@
* inode.c - Inode handling code. Part of the Linux-NTFS project.
*
* Copyright (c) 2002-2004 Anton Altaparmakov
* Copyright (c) 2004 Yura Pakhuchiy
* Copyright (c) 2004-2005 Yura Pakhuchiy
*
* This program/include file is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
@ -368,6 +368,7 @@ err_out:
int ntfs_inode_attach_all_extents(ntfs_inode *ni)
{
ATTR_LIST_ENTRY *ale;
u64 prev_attached = 0;
if (!ni) {
Dprintf("%s(): Invalid argumets.\n", __FUNCTION__);
@ -391,14 +392,19 @@ int ntfs_inode_attach_all_extents(ntfs_inode *ni)
return -1;
}
/* Walk though attribute list and attach all extents. */
/* Walk through attribute list and attach all extents. */
errno = 0;
ale = (ATTR_LIST_ENTRY *)ni->attr_list;
while ((u8*)ale < ni->attr_list + ni->attr_list_size) {
if (!ntfs_extent_inode_open(ni, MREF_LE(ale->mft_reference))) {
Dprintf("%s(): Couldn't attach extent inode.\n",
__FUNCTION__);
return -1;
if (ni->mft_no != MREF_LE(ale->mft_reference) &&
prev_attached != MREF_LE(ale->mft_reference)) {
if (!ntfs_extent_inode_open(ni,
MREF_LE(ale->mft_reference))) {
Dprintf("%s(): Couldn't attach extent inode.\n",
__FUNCTION__);
return -1;
}
prev_attached = MREF_LE(ale->mft_reference);
}
ale = (ATTR_LIST_ENTRY *)((u8*)ale + le16_to_cpu(ale->length));
}