/*
* NAME: free_ea_wmap(inode)
*
* FUNCTION: free uncommitted extended attributes from working map
*
*/
static inline void free_ea_wmap(struct inode *inode)
{
dxd_t *ea = &JFS_IP(inode)->ea;
if (ea->flag & DXD_EXTENT) {
/* free EA pages from cache */
invalidate_dxd_metapages(inode, *ea);
dbFree(inode, addressDXD(ea), lengthDXD(ea));
}
ea->flag = 0;
}
/*
* NAME: jfs_free_zero_link()
*
* FUNCTION: for non-directory, called by iClose(),
* free resources of a file from cache and WORKING map
* for a file previously committed with zero link count
* while associated with a pager object,
*
* PARAMETER: ip - pointer to inode of file.
*/
void jfs_free_zero_link(struct inode *ip)
{
int type;
jfs_info("jfs_free_zero_link: ip = 0x%p", ip);
/* return if not reg or symbolic link or if size is
* already ok.
*/
type = ip->i_mode & S_IFMT;
switch (type) {
case S_IFREG:
break;
case S_IFLNK:
/* if its contained in inode nothing to do */
if (ip->i_size < IDATASIZE)
return;
break;
default:
return;
}
/*
* free EA
*/
if (JFS_IP(ip)->ea.flag & DXD_EXTENT) {
s64 xaddr = addressDXD(&JFS_IP(ip)->ea);
int xlen = lengthDXD(&JFS_IP(ip)->ea);
struct maplock maplock; /* maplock for COMMIT_WMAP */
struct pxd_lock *pxdlock; /* maplock for COMMIT_WMAP */
/* free EA pages from cache */
invalidate_dxd_metapages(ip, JFS_IP(ip)->ea);
/* free EA extent from working block map */
maplock.index = 1;
pxdlock = (struct pxd_lock *) & maplock;
pxdlock->flag = mlckFREEPXD;
PXDaddress(&pxdlock->pxd, xaddr);
PXDlength(&pxdlock->pxd, xlen);
txFreeMap(ip, pxdlock, NULL, COMMIT_WMAP);
}
/*
* free ACL
*/
if (JFS_IP(ip)->acl.flag & DXD_EXTENT) {
s64 xaddr = addressDXD(&JFS_IP(ip)->acl);
int xlen = lengthDXD(&JFS_IP(ip)->acl);
struct maplock maplock; /* maplock for COMMIT_WMAP */
struct pxd_lock *pxdlock; /* maplock for COMMIT_WMAP */
invalidate_dxd_metapages(ip, JFS_IP(ip)->acl);
/* free ACL extent from working block map */
maplock.index = 1;
pxdlock = (struct pxd_lock *) & maplock;
pxdlock->flag = mlckFREEPXD;
PXDaddress(&pxdlock->pxd, xaddr);
PXDlength(&pxdlock->pxd, xlen);
txFreeMap(ip, pxdlock, NULL, COMMIT_WMAP);
}
/*
* free xtree/data (truncate to zero length):
* free xtree/data pages from cache, and
* free xtree/data blocks from working block map;
*/
if (ip->i_size)
xtTruncate(0, ip, 0, COMMIT_WMAP);
}
/****************************************************************************
* NAME: process_Inode_EA
*
* FUNCTION: If the extent containing the Extended Attributes for the
* given inode contains any bad blocks, handle it.
*
* PARAMETERS:
* dip ptr to the owning disk inode in a buffer
*
* doRelocate 0 => this is not the JFS Bad Block inode
* !0 => this is the JFS Bad Block inode
*
* didRelocate ptr to var in which to return:
* 0 if the extent was not relocated
* !0 if the extent was relocated
*
* NOTES:
*
* RETURNS:
* success: 0
* failure: something else
*/
int32 process_Inode_EA( dinode_t *dip, int8 doRelocate, int8 *didRelocate )
{
int32 sea_rc = 0;
int32 relocate_rc = 0;
int64 ext_firstblk, ext_lastblk;
int32 ext_len;
cbbl_bdblk_recptr bdblk_recptr = NULL;
cbbl_bdblk_recptr next_bdblk_recptr;
int32 pList;
ULONG pListLen = 0;
clrbblks_t pData;
ULONG pDataLen = 0;
ext_firstblk = addressDXD( &(dip->di_ea) );
ext_len = lengthDXD( &(dip->di_ea) );
ext_lastblk = ext_firstblk + ext_len - 1;
/*
* find the first entry in bad block list with key greater
* than or equal to the first block in this extent
*/
sea_rc = baltree_search( ext_firstblk, &bdblk_recptr );
if( sea_rc != 0 ) { /* something fatal on search */
return( sea_rc );
}
else if( bdblk_recptr == NULL ) { /* hit end of tree w/o match */
return( sea_rc );
} /* end hit end of tree w/o match */
if( bdblk_recptr->fs_blkno <= ext_lastblk ) { /*
* the extent contains at least 1 bad block
*/
#ifdef _JFS_DEBUG
printf("bad block 0x0%llx found in EA for inode %d\n",
bdblk_recptr->fs_blkno, dip->di_number );
#endif
if( !doRelocate ) { /* relocation not requested */
sea_rc = we_DidntTryTo_Relocate( ext_firstblk,
ext_lastblk,
bdblk_recptr
);
} /* end not asked to relocate */
else { /* relocation is requested */
pDataLen = sizeof(clrbblks_t);
pData.flag = CLRBBLKS_RELOCATE | CLRBBLKS_EA;
//PS24072004 pData.dev = lvMount->LVNumber;
pData.dev = LVNumber;
pData.fileset = dip->di_fileset;
pData.inostamp = dip->di_inostamp;
pData.ino = dip->di_number;
pData.gen = dip->di_gen;
pData.old_xaddr = ext_firstblk;
pData.new_xaddr = 0;
pData.xlen = ext_len;
pData.agg_blksize = agg_recptr->fs_blksize;
/*
* attempt to relocate the extent
*/
*didRelocate = 0;
relocate_rc = fscntl( JFSCTL_CLRBBLKS,
(void *)&pList, &pListLen,
(void *)&pData, &pDataLen
);
if( (relocate_rc == 0) && (pData.new_xaddr != 0) ) { /*
* extent has been relocated
*/
*didRelocate = -1;
} /* end extent has been relocated */
/*
* Now handle the individual bad block(s) in the EA
*/
if( !(*didRelocate) ) { /* tried and failed to relocate */
sea_rc = we_Couldnt_Relocate( ext_firstblk,
ext_lastblk,
bdblk_recptr,
relocate_rc
);
} /* end tried and failed to relocate */
else { /* actually did relocate */
sea_rc = we_Did_Relocate( ext_firstblk,
ext_lastblk,
bdblk_recptr
);
} /* else end actually did relocate */
} /* end else relocation is requested */
} /* end the extent contains at least 1 bad block */
return( sea_rc );
} /* end process_Inode_EA() */
void walk_inoext( int device,
uint64 address,
uint32 length,
uint32 wmap,
dinomap_t *control_page,
uint32 agno,
ino_t start_inum,
uint32 *found_map,
int32 inostamp )
{
dinode_t *next_inode;
uint32 left_to_read = length << sb.s_l2bsize;
uint64 cur_address = address << sb.s_l2bsize;
int32 index, rc;
uint32 map = wmap;
char page_buffer[PSIZE];
ino_t cur_inum = start_inum;
uint32 mask = HIGHORDER;
uint64 first_block, cur_block, last_block;
uint32 num_blocks;
int64 total_nblocks;
*found_map = 0;
while( (left_to_read > 0) ) {
/*
* Read next page of inodes for this extent
*/
rc = ujfs_rw_diskblocks( device, cur_address, PSIZE, page_buffer, GET );
cur_address += PSIZE;
left_to_read -= PSIZE;
next_inode = (dinode_t *)page_buffer;
for( index = 0; index < INOSPERPAGE;
index++, next_inode++, cur_inum++, map <<= 1, mask >>= 1 ) {
/*
* Initialize count for this inode's number of blocks
*/
total_nblocks = 0;
/*
* If this inode is allocated, mark blocks for its b-tree
*/
if( (map & HIGHORDER) != 0 ) {
if( next_inode->di_nlink <= 0 ) {
error++;
printf("Inode %d (fileset: %d) link count bad: %d\n",
next_inode->di_number, next_inode->di_fileset,
next_inode->di_nlink);
} else {
*found_map |= mask;
}
/*
* Account for any blocks used by EA for this inode
*/
if( next_inode->di_ea.flag & DXD_EXTENT ) {
first_block = addressDXD(&(next_inode->di_ea));
num_blocks = lengthDXD(&(next_inode->di_ea));
total_nblocks += num_blocks;
last_block = first_block + num_blocks;
for( cur_block = first_block; cur_block < last_block;
cur_block++ ) {
markit( cur_block, 0 );
}
}
if( (next_inode->di_fileset == AGGREGATE_I) &&
(next_inode->di_number == FILESYSTEM_I) ) {
/*
* Need to account for inode map's blocks
*/
walk_inode_tree(device, (xtpage_t *)&next_inode->di_btroot,
&total_nblocks, 0);
/*
* Need to walk this tree of inodes
*/
rc = walk_ait( device, next_inode, TRUE );
if( rc != 0 ) {
error++;
printf("Problem with Fileset Inode Allocation Map.\n");
}
} else if( (next_inode->di_fileset == AGGREGATE_I) &&
(next_inode->di_number == BADBLOCK_I) ) {
walk_inode_tree(device, (xtpage_t *)&next_inode->di_btroot,
&total_nblocks, BADBLOCK);
} else if( next_inode->di_mode & IFDIR ) {
/*
* Need to walk the extents as directory extents
*/
walk_dir( device, (dtroot_t *)&(next_inode->di_btroot),
&total_nblocks);
} else {
walk_inode_tree(device, (xtpage_t *)&next_inode->di_btroot,
&total_nblocks, 0);
}
/*
* Now total_nblocks contains the total number of blocks
* actually allocated for this inode. Compare this to the
* on-disk information.
*/
if( next_inode->di_nblocks != total_nblocks ) {
error++;
printf(
"Inode %d (fileset: %d) nblocks bad, disk: %lld, actual: %lld\n",
next_inode->di_number, next_inode->di_fileset,
next_inode->di_nblocks, total_nblocks);
}
} else {
if( next_inode->di_number == cur_inum &&
next_inode->di_inostamp == inostamp &&
addressPXD(&(next_inode->di_ixpxd)) == address &&
lengthPXD(&(next_inode->di_ixpxd)) == length &&
next_inode->di_nlink > 0 ) {
error++;
printf("Inode %d (fileset: %d) link count bad: %d\n",
next_inode->di_number, next_inode->di_fileset,
next_inode->di_nlink);
*found_map |= mask;
}
control_page->in_numfree++;
control_page->in_agctl[agno].numfree++;
}
}
}
}