lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[XFS] Fix an infinite loop issue in bulkstat when a corrupt inode is

Browse Source 
detected.  Thanks to Roger Willcocks.

SGI-PV: 951054
SGI-Modid: xfs-linux-melb:xfs-kern:25477a

Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Nathan Scott
2006-03-17 17:26:04 +11:00
parent 2ddd5928d0
commit b12dd34298
5 changed files with 24 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
fs/xfs/xfs_inode.c
View File

@@ -253,7 +253,8 @@ xfs_itobp(
xfs_inode_t *ip,
xfs_dinode_t **dipp,
xfs_buf_t **bpp,
xfs_daddr_t bno)
xfs_daddr_t bno,
uint imap_flags)
{
xfs_buf_t *bp;
int error;
@@ -269,10 +270,9 @@ xfs_itobp(
* inode on disk.
*/
imap.im_blkno = bno;
error = xfs_imap(mp, tp, ip->i_ino, &imap, XFS_IMAP_LOOKUP);
if (error != 0) {
if ((error = xfs_imap(mp, tp, ip->i_ino, &imap,
XFS_IMAP_LOOKUP | imap_flags)))
return error;
}
/*
* If the inode number maps to a block outside the bounds
@@ -336,9 +336,10 @@ xfs_itobp(
* (if DEBUG kernel) or the first inode in the buffer, otherwise.
*/
#ifdef DEBUG
ni = BBTOB(imap.im_len) >> mp->m_sb.sb_inodelog;
ni = (imap_flags & XFS_IMAP_BULKSTAT) ? 0 :
(BBTOB(imap.im_len) >> mp->m_sb.sb_inodelog);
#else
ni = 1;
ni = (imap_flags & XFS_IMAP_BULKSTAT) ? 0 : 1;
#endif
for (i = 0; i < ni; i++) {
int di_ok;
@@ -868,9 +869,8 @@ xfs_iread(
* return NULL as well. Set i_blkno to 0 so that xfs_itobp() will
* know that this is a new incore inode.
*/
error = xfs_itobp(mp, tp, ip, &dip, &bp, bno);
if (error != 0) {
error = xfs_itobp(mp, tp, ip, &dip, &bp, bno, 0);
if (error) {
kmem_zone_free(xfs_inode_zone, ip);
return error;
}
@@ -1895,7 +1895,7 @@ xfs_iunlink(
* Here we put the head pointer into our next pointer,
* and then we fall through to point the head at us.
*/
error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0);
error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0, 0);
if (error) {
return error;
}
@@ -2004,7 +2004,7 @@ xfs_iunlink_remove(
* of dealing with the buffer when there is no need to
* change it.
*/
error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0);
error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0, 0);
if (error) {
cmn_err(CE_WARN,
"xfs_iunlink_remove: xfs_itobp() returned an error %d on %s. Returning error.",
@@ -2066,7 +2066,7 @@ xfs_iunlink_remove(
* Now last_ibp points to the buffer previous to us on
* the unlinked list. Pull us from the list.
*/
error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0);
error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0, 0);
if (error) {
cmn_err(CE_WARN,
"xfs_iunlink_remove: xfs_itobp() returned an error %d on %s. Returning error.",
@@ -3023,8 +3023,8 @@ xfs_iflush(
/*
* Get the buffer containing the on-disk inode.
*/
error = xfs_itobp(mp, NULL, ip, &dip, &bp, 0);
if (error != 0) {
error = xfs_itobp(mp, NULL, ip, &dip, &bp, 0, 0);
if (error) {
xfs_ifunlock(ip);
return error;
}