/* ARGSUSED */
static intgen_t
cb_add( void *arg1,
jdm_fshandle_t *fshandlep,
intgen_t fsfd,
xfs_bstat_t *statp )
{
register time32_t mtime = statp->bs_mtime.tv_sec;
register time32_t ctime = statp->bs_ctime.tv_sec;
register time32_t ltime = max( mtime, ctime );
register mode_t mode = statp->bs_mode & S_IFMT;
xfs_off_t estimated_size = 0;
xfs_ino_t ino = statp->bs_ino;
bool_t changed;
bool_t resumed;
( *inomap_statdonep )++;
/* skip if no links
*/
if ( statp->bs_nlink == 0 ) {
return 0;
}
/* if no portion of this ino is in the resume range,
* then only dump it if it has changed since the interrupted
* dump.
*
* otherwise, if some or all of this ino is in the resume range,
* and has changed since the base dump upon which the original
* increment was based, dump it if it has changed since that
* original base dump.
*/
if ( cb_resume && ! cb_inoinresumerange( ino )) {
if ( ltime >= cb_resumetime ) {
changed = BOOL_TRUE;
} else {
changed = BOOL_FALSE;
}
} else if ( cb_last ) {
if ( ltime >= cb_lasttime ) {
changed = BOOL_TRUE;
} else {
changed = BOOL_FALSE;
}
} else {
changed = BOOL_TRUE;
}
/* this is redundant: make sure any ino partially dumped
* is completed.
*/
if ( cb_resume && cb_inoresumed( ino )) {
resumed = BOOL_TRUE;
} else {
resumed = BOOL_FALSE;
}
if ( changed ) {
if ( mode == S_IFDIR ) {
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_DIR_CHANGE );
cb_dircnt++;
} else {
estimated_size = estimate_dump_space( statp );
/* skip if size is greater than prune size
*/
if ( maxdumpfilesize > 0 &&
estimated_size > maxdumpfilesize ) {
mlog( MLOG_DEBUG | MLOG_EXCLFILES,
"pruned ino %llu, owner %u, estimated size %llu: maximum size exceeded\n",
statp->bs_ino,
statp->bs_uid,
estimated_size );
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_NDR_NOCHNG );
inomap_exclude_filesize++;
return 0;
}
if (allowexcludefiles_pr && statp->bs_xflags & XFS_XFLAG_NODUMP) {
mlog( MLOG_DEBUG | MLOG_EXCLFILES,
"pruned ino %llu, owner %u, estimated size %llu: skip flag set\n",
statp->bs_ino,
statp->bs_uid,
estimated_size );
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_NDR_NOCHNG );
inomap_exclude_skipattr++;
return 0;
} else if (allowexcludefiles_pr &&
(statp->bs_xflags & XFS_XFLAG_HASATTR)) {
int rval;
attr_multiop_t attrop;
static char *skip_attr_name = "SGI_XFSDUMP_SKIP_FILE";
static int deprecated_msg_issued = 0;
attrop.am_attrname = skip_attr_name;
attrop.am_attrvalue = NULL;
attrop.am_length = 0;
attrop.am_error = 0;
attrop.am_flags = 0;
attrop.am_opcode = ATTR_OP_GET;
rval = jdm_attr_multi( fshandlep,
statp,
(char *)&attrop,
1,
0 );
if ( !rval && (!attrop.am_error || attrop.am_error == E2BIG || attrop.am_error == ERANGE) ) {
mlog( MLOG_DEBUG | MLOG_EXCLFILES,
"pruned ino %llu, owner %u, estimated size %llu: skip attribute set\n",
statp->bs_ino,
statp->bs_uid,
estimated_size );
if ( !deprecated_msg_issued ) {
deprecated_msg_issued = 1;
mlog( MLOG_SILENT | MLOG_WARNING,
"excluding files using %s attribute is deprecated\n",
skip_attr_name );
}
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_NDR_NOCHNG );
inomap_exclude_skipattr++;
return 0;
}
}
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_NDR_CHANGE );
cb_nondircnt++;
cb_datasz += estimated_size;
cb_hdrsz += ( EXTENTHDR_SZ * (statp->bs_extents + 1) );
}
} else if ( resumed ) {
ASSERT( mode != S_IFDIR );
ASSERT( changed );
} else {
if ( mode == S_IFDIR ) {
*cb_pruneneededp = BOOL_TRUE;
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_DIR_SUPPRT );
cb_dircnt++;
} else {
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_NDR_NOCHNG );
}
}
return 0;
}
/* ARGSUSED */
static intgen_t
cb_startpt( void *arg1,
jdm_fshandle_t *fshandlep,
intgen_t fsfd,
xfs_bstat_t *statp )
{
register intgen_t state;
off64_t estimate;
off64_t old_accum = cb_accum;
off64_t qty; /* amount of a SPLIT file to skip */
action_t action;
( *inomap_statdonep )++;
/* skip if no links
*/
if ( statp->bs_nlink == 0 ) {
return 0;
}
/* skip if not in inomap or not a non-dir
*/
state = inomap_get_state( cb_inomap_contextp, statp->bs_ino );
if ( state != MAP_NDR_CHANGE ) {
return 0;
}
ASSERT( cb_startptix < cb_startptcnt );
estimate = estimate_dump_space( statp );
cb_accum += estimate + ( EXTENTHDR_SZ * (statp->bs_extents + 1) );
/* loop until no new start points found. loop is necessary
* to handle the pathological case of a huge file so big it
* spans several streams.
*/
action = ( action_t )HOLD; /* irrelevant, but demanded by lint */
do {
/* decide what to do: hold, bump, or split. there are
* 8 valid cases to consider:
* 1) accum prior to this file is way too short of the
* target, and accum incl. this file is also shy: HOLD;
* 2) accum prior to this file is way too short of the
* target, and accum incl. this file is close to but
* still short of target: HOLD;
* 3) accum prior to this file is way too short of the
* target, and accum incl. this file is a little beyond
* the target: HOLD;
* 4) accum prior to this file is way too short of the
* target, and accum incl. this file is way beyond
* the target: SPLIT;
* 5) accum prior to this file is close to target, and
* accum incl. this file is still short of target: HOLD;
* 6) accum prior to this file is close to target, and
* accum incl. this file is a little beyond the target,
* and excluding this file would be less short of target
* than including it would be beyond the target: BUMP;
* 7) accum prior to this file is close to target, and
* accum incl. this file is a little beyond the target,
* and including this file would be less beyond target
* than excluding it would be short of target: HOLD;
* 8) accum prior to this file is close to target, and
* accum incl. this file is would be way beyond the
* target: HOLD.
*/
if ( cb_target - old_accum >= TOO_SHY ) {
if ( cb_target - cb_accum >= TOO_SHY ) {
action = ( action_t )HOLD;
} else if ( cb_accum <= cb_target ) {
action = ( action_t )HOLD;
} else if ( cb_accum - cb_target < TOO_BOLD ) {
action = ( action_t )HOLD;
} else {
action = ( action_t )SPLIT;
}
} else {
if ( cb_target - cb_accum >= TOO_SHY ) {
action = ( action_t )YELL;
} else if ( cb_accum < cb_target ) {
action = ( action_t )HOLD;
} else if ( cb_accum - cb_target < TOO_BOLD ) {
if ( cb_accum - cb_target >=
cb_target - old_accum ) {
action = ( action_t )BUMP;
} else {
action = ( action_t )HOLD;
}
} else {
action = ( action_t )BUMP;
}
}
/* perform the action selected above
*/
switch ( action ) {
case ( action_t )HOLD:
break;
case ( action_t )BUMP:
cb_startptp->sp_ino = statp->bs_ino;
cb_startptp->sp_offset = 0;
cb_startptix++;
cb_startptp++;
cb_target += cb_incr;
if ( cb_startptix == cb_startptcnt ) {
return 1; /* done; abort the iteration */
}
break;
case ( action_t )SPLIT:
cb_startptp->sp_ino = statp->bs_ino;
qty = ( cb_target - old_accum )
&
~( off64_t )( BBSIZE - 1 );
cb_startptp->sp_offset =
quantity2offset( fshandlep,
statp,
qty );
cb_startptix++;
cb_startptp++;
cb_target += cb_incr;
if ( cb_startptix == cb_startptcnt ) {
return 1; /* done; abort the iteration */
}
break;
default:
ASSERT( 0 );
return 1;
}
} while ( action == ( action_t )BUMP || action == ( action_t )SPLIT );
return 0;
}
/* ARGSUSED */
static intgen_t
cb_add( void *arg1,
jdm_fshandle_t *fshandlep,
intgen_t fsfd,
xfs_bstat_t *statp )
{
register time32_t mtime = statp->bs_mtime.tv_sec;
register time32_t ctime = statp->bs_ctime.tv_sec;
register time32_t ltime = max( mtime, ctime );
register mode_t mode = statp->bs_mode & S_IFMT;
xfs_off_t estimated_size = 0;
xfs_ino_t ino = statp->bs_ino;
bool_t changed;
bool_t resumed;
( *inomap_statdonep )++;
/* skip if no links
*/
if ( statp->bs_nlink == 0 ) {
return 0;
}
/* if no portion of this ino is in the resume range,
* then only dump it if it has changed since the interrupted
* dump.
*
* otherwise, if some or all of this ino is in the resume range,
* and has changed since the base dump upon which the original
* increment was based, dump it if it has changed since that
* original base dump.
*/
if ( cb_resume && ! cb_inoinresumerange( ino )) {
if ( ltime >= cb_resumetime ) {
changed = BOOL_TRUE;
} else {
changed = BOOL_FALSE;
}
} else if ( cb_last ) {
if ( ltime >= cb_lasttime ) {
changed = BOOL_TRUE;
} else {
changed = BOOL_FALSE;
}
} else {
changed = BOOL_TRUE;
}
/* this is redundant: make sure any ino partially dumped
* is completed.
*/
if ( cb_resume && cb_inoresumed( ino )) {
resumed = BOOL_TRUE;
} else {
resumed = BOOL_FALSE;
}
if ( changed ) {
if ( mode == S_IFDIR ) {
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_DIR_CHANGE );
cb_dircnt++;
} else {
estimated_size = estimate_dump_space( statp );
/* skip if size is greater than prune size. quota
* files are exempt from the check.
*/
if ( maxdumpfilesize > 0 &&
estimated_size > maxdumpfilesize &&
!is_quota_file(statp->bs_ino) ) {
mlog( MLOG_DEBUG | MLOG_EXCLFILES,
"pruned ino %llu, owner %u, estimated size %llu: maximum size exceeded\n",
statp->bs_ino,
statp->bs_uid,
estimated_size );
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_NDR_NOCHNG );
inomap_exclude_filesize++;
return 0;
}
if (allowexcludefiles_pr && statp->bs_xflags & XFS_XFLAG_NODUMP) {
mlog( MLOG_DEBUG | MLOG_EXCLFILES,
"pruned ino %llu, owner %u, estimated size %llu: skip flag set\n",
statp->bs_ino,
statp->bs_uid,
estimated_size );
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_NDR_NOCHNG );
inomap_exclude_skipattr++;
return 0;
}
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_NDR_CHANGE );
cb_nondircnt++;
cb_datasz += estimated_size;
cb_hdrsz += ( EXTENTHDR_SZ * (statp->bs_extents + 1) );
}
} else if ( resumed ) {
ASSERT( mode != S_IFDIR );
ASSERT( changed );
} else {
if ( mode == S_IFDIR ) {
if ( cb_skip_unchanged_dirs ) {
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_DIR_NOCHNG );
} else {
*cb_pruneneededp = BOOL_TRUE;
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_DIR_SUPPRT );
cb_dircnt++;
}
} else {
inomap_add( cb_inomap_contextp,
ino,
(gen_t)statp->bs_gen,
MAP_NDR_NOCHNG );
}
}
return 0;
}
