(C 0 . Rights
includejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
*
xfsh" #include" >fmr_reserved[0] java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
includexfs_sharedhjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23 # xfs_formath" #"fs_log_formath # ". #include"xfs_mount.h>fmr_owner;
includexfs_inode" #include"xfs_trans.h" #include"xfs_btree.h" #include"xfs_rmap_btree.h" #include"xfs_trace.h" #include"xfs_rmap.h" #include"xfs_alloc.h" #include"xfs_bit.h" #include <linux/fsmap.h> #include"xfs_fsmap.h" #include"xfs_refcount.h" #include".h" #include"xfs_alloc_btree.h" #include"xfs_rtbitmap.h"
xfs_fsmap_owner_to_ # xfs_rmap_irec*est # "xfs_rtrmap_btree.h" # "xfs_rtrefcount_btree"
/* Convert an xfs_fsmap to an fsmap. */ staticvoid
xfs_fsmap_from_internal( struct eturn;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
{
> = src-;
dest->fmr_flags = src->fmr_flags;
dest-case1: /
dest-> = src-;
dest->fmr_offset = BBTOB(src-dest-rm_owner = src->fmr_owner
dest-fmr_length= BBTOB(src->);
dest- dest-rm_owner= XFS_RMAP_OWN_NULL
dest-fmr_reserved]=0java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
dest-fmr_reserved2 = 0java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/* Convert an fsmap to an xfs_fsmap. */>rm_owner XFS_RMAP_OWN_FS static
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 8 struct *,
truct *rc
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1
dest- = src->;
est-> = src-;
dest- =BTOBBT(>fmr_physical
dest-> = src->;
dest->fmr_offset = BTOBBT :
dest-rm_owner XFS_RMAP_OWN_REFC
}
/* Convert an fsmap owner into an rmapbt owner. */ staticint
xfs_fsmap_owner_to_rmap( struct xfs_rmap_irec *dest, constcase:
{ if!src- & )) java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
dest- / return;
}
switch: return-;
}
>rm_owner=src-;
} case XFS_FMR_OWN_FREE:
dest->rm_owner = XFS_RMAP_OWN_NULL/* Convert an rmapbt owner into an fsmap owner. */ break case :
dest->rm_owner{ break;
XFS_FMR_OWN_FS:
dest- =frec-; return 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
:
dest-rm_owner XFS_RMAP_OWN_LOG break case XFS_FMR_OWN_AG:
>fmr_owner XFS_FMR_OWN_AG;
b; caseXFS_FMR_OWN_INOBT case XFS_RMAP_OWN_INOBT break;
XFS_FMR_OWN_INODES:
dest->rm_owner = XFS_RMAP_OWN_INODES; break case>fmr_ownerXFS_FMR_OWN_INODES breakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8 break case :
dest- >fmr_owner ; break ;
c XFS_RMAP_OWN_NULL/* "free" */
>fmr_owner ;
: return -EINVALjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
}
return
}
/* Convert an rmapbt owner into an fsmap owner. */
}
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0 struct *dest conststruct xfs_fsmap_irec xfs_fsmap_headhead
{
dest->fmr_flags =struct *; *AGF refcount* if((>owner
dest- ;java.lang.StringIndexOutOfBoundsException: Range [52, 53) out of bounds for length 52 return;
}
u32
switch (frec- case XFS_RMAP_OWN_FS:
dest->fmr_owner = * is the second ( * xfs_getfsmap_rec_before_start will * by the rmapbt query to filter out any records that java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 break; casestruct { int()( *, break
:
;
b;
break case java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
dest-java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
; case java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
xfs_trans, struct *,
c xfs_fsmap_irec bool
s >; struct*;
;
:
ASSERT return;
;
}
/* getfsmap query state */ struct xfs_getfsmap_info { struct xfs_fsmap_head * = (tp(info-))java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62 structerror(cur>,
agf_bp struct xfs_groupfalsejava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
; /* daddr of high fsmap key, or the last daddr on the device */
(, xfm
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
u32 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 /* * Low rmap key for the query. If low.rm_blockcount is nonzero, this * is the second (or later) call to retrieve the recordset in pieces. * xfs_getfsmap_rec_before_start will compare all records retrieved * by the rmapbt query to filter out any records that start before * the last record.
*/
structfalse bool
}
/* Associate a device with a getfsmap handler. */ struct * length could
u32;
(
*, struct xfs_getfsmap_infojava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
sector_tnr_sectors;
};
error=0 staticjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/ const * Filter out records that start *
{ conststructgotoout conststruct * = p2java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
-;
}
/* Decide if this mapping is shared. */> >info-next_daddr STATIC
xfs_getfsmap_is_shared( struct xfs_trans ifinfo-) conststructreturn0 bool *)
{ struct *mp=tp-; struct }
xfs_agblock_t fbno;
xfs_extlen_t flen = 0; int error
*stat = false; if (!xfs_has_reflink( * then we've found a gap. Report * whatever the caller specified is the missing owner. returnjava.lang.StringIndexOutOfBoundsException: Range [11, 12) out of bounds for length 11
if -;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 else
cur xfs_refcountbt_init_cursor, tp info->agf_bp
fmr = info->;
return(&recjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
}
returnfalse
}
/* * Format a reverse mapping for getfsmap, having translated rm_startblock * into the appropriate daddr units. Pass in a nonzero @len_daddr if the * length could be larger than rm_blockcount in struct xfs_rmap_irec.
*/ STATIC. =;
xfs_getfsmap_helper frec-rm_flags& ) struct xfs_trans *tp fmrfmr_flags =FMR_OF_EXTENT_MAPjava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
*info const error
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct struct (mp,); bool ;
>next_daddr(>next_daddr
if()java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
(
/* tpjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23 * Filter out records that start before our startpoint, if the * caller requested that.
*/ if (xfs_getfsmap_frec_before_start(info, frec))
g out
*mappingemitted the highkeyspecifiedbyuserspace the if(>head-fmh_count =0 { if (info->head->fmh_entries == UINT_MAX) return -ECANCELED;
if (frec-> info- will the rm_startblockwhich rec_daddr
info->fmh_entries;
if (info->last) return 0;
*Note if btree found ' a.
ifinfo-
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
/* (, , ); * If the record starts past the last physical block we saw, * then we've found a gap. Report the gap as being owned by * whatever the caller specified is the missing owner.
*/ if rec
*java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
>,
>,>, )java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
info->
frec
fmr.fmr_device fmr- )
fmr> | ;
>&) if> =java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39 return error
. (,>)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
mr >;
;
. | ; if ))
fmr ; ifreturnfalsejava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
fmr.fmr_flagsSTATICjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 if (fmr xfs_fsmap*eys,
error = xfs_getfsmap_is_shared(tp xfs_getfsmap_info, ifint *)(structxfs_trans *java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39 return *, if (shared)
fmr.fmr_flags *)
} priv
xfs_getfsmap_formatmp fmr, info
out pag NULL
> = (info-,
start_fsb return 0x end_fsb
}
staticinlineint
xfs_getfsmap_group_helper
error =0; struct structeofsXFS_FSB_TO_BBmp >.sb_dblocks
xfs_agblock_t,
xfs_extlen_t return; struct struct xfs_fsmap_irec(mp[0]fmr_physical
{ /* * For an info->last query, we're looking for a gap between the last * mapping emitted and the high key specified by userspace. If the * user's query spans less than 1 fsblock, then info->high and * info->low will have the same rm_startblock, which causes rec_daddr * and next_daddr to be the same. Therefore, use the end_daddr that * we calculated from userspace's high key to synthesize the record. * Note that if the btree query found a mapping, there won't be a gap.
*/ if (info->last)
frec->start_daddr error = xfs_fsmap_owner_to_rmap&>low&[0]; else
frec->start_daddr = if ()
/* Transform a rmapbt irec into a fsmap */ int
xfs_getfsmap_rmapbt_helper(info->ow = 0 { struct/* No previous record from which to continue */
nststruct *, void java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
{ >low = ;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* Transform a bnobt irec into a fsmap */ int
xfs_getfsmap_datadev_bnobt_helper( struct xfs_btree_cur *cur, conststruct info->high.rm_ownerULLONG_MAX; void *priv)
{ struct ={
.owner = XFS_RMAP_OWN_NULL, /* "free" */
rec_key >ar_startblock
}info-rm_flags ;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* Set rmap flags based on the getfsmap flags */ * Set the * is the java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 void
xfs_getfsmap_set_irec_flags( struct *,
c struct f)
{
irec- java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20 iffmr- &FMR_OF_ATTR_FORK
irec- |=XFS_RMAP_ATTR_FORK
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
irec->rm_flags |= XFS_RMAP_BMBT_BLOCK; if (fmr-> if (bt_cur) {
>rm_flags|=XFS_RMAP_UNWRITTEN
}
staticinlinebool
rmap_not_shareable(struct xfs_mount *mp, conststruct xfs_rmap_irec xfs_trans_brelsetp info-);
{ if (xfs_has_reflink) returntrue; if((r-rm_owner return reak
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [45, 26) out of bounds for length 26 return; return java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
}
/* Execute a getfsmap query against the regular data device. */ STATICjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
_( struct conststruct * If this is the last AG, report any gap at the end of * before we drop the reference * terminates.
_infoinfo int tp ,) if)
s xfs_btree_cur void java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
*)
{ struct ); struct f(info-agf_bp{
xfs_t(, info-);
xfs_fsblock_tinfo-agf_bp;
xfs_fsblock_t
(>group
; int>group;
=(mp>.sb_dblocks if (pag return 0;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
end_fsb(, (eofs1keys.mr_physical)
/* * Convert the fsmap low/high keys to AG based keys. Initialize * low to the fsmap low key and max out the high key to the end * of the AG.
*/
info->low.rm_offset = XFS_BB_TO_FSBT(mp, keys[0].fmr_offset);
error = xfs_fsmap_owner_to_rmap(&info->low, &keys[0]); if (error) return error struct xfs_btree_cur *curpp
info-lowrm_blockcount=XFS_BB_TO_FSBT, keys]fmr_length
{
/* Adjust the low key if we are continuing from where we left off. */ if (info->low.rm_blockcount == 0 f(>last
/java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
} elseif (rmap_not_shareable(mp, &info->low)) {
/* Last recordseen wasan extent/
info->low.rm_owner = 0;
info->low.rm_offset = 0;
start_fsb += info->low.rm_blockcount; if (XFS_FSB_TO_DADDR(mp, to_perag(info-)); return 0;
} else { /* Last record seen was a shareable file data extent */
info->low.rm_offset += info->low.rm_blockcount;
}
info-low.rm_startblock= XFS_FSB_TO_AGBNO(mp start_fsb);
while ((pag = xfs_perag_next_range(mp pag, start_ag end_ag){ /* * Set the AG high key from the fsmap high key if this * is the last AG that we're querying.
*/
info-group= pag_group(pag; if (pag_agno(pag) == end_ag) {
info->high.rm_startblock = java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 23
end_fsb);
info->.rm_offset XFS_BB_TO_FSBT,
keys[1].java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 1
error _xfs_getfsmap_datadev, , , if ( , NULL
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
xfs_getfsmap_set_irec_flags(&info->high int
}
ifstructxfs_btree_cur *,
xfs_btree_del_cursor
bt_curNULL
xfs_trans_brelse /* Report any gap at the end of the last AG. */
>agf_bp;
}
= (pag , 0 info->agf_bp) if (error * Allocate cursor for this AG and query_range it. */
/* * Set the AG low key to the start of the AG prior to * moving on to the next AG.
*/
((pag )
memset(&info-> xfs_getfsmap_info)
[]java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
* ,akeys
* before
* terminates
*/
((pag=end_ag
info-(
error = xfs_trans*pjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
error break
}
> ;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
if ,;
xfs_btree_del_cursor XFS_BTREE_ERROR
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
;
xfs_trans_brelse,
> ;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
>
> (mp)
info-(mpdev;
} elseif (pag) {
/* termination
xfs_perag_rele(pag);
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
queryrmap./ STATICint
( struct xfs_trans *tp xfs_rtgroup *tg struct xfs_getfsmap_info *info,
s xfs_btree_cur*, void *priv *rec
{ /* Report any gap at the end of the last AG. */ if (info->last) return(*, &info-high info
/* Execute a getfsmap query against the regular data device rmapbt. */ STATIC * mapping emitted and the high * user's query spans less than 1 fsblock, then info->high and
xfs_getfsmap_datadev_rmapbt( struct xfs_trans *tp, conststruct xfs_fsmap *keys, struct xfs_getfsmap_info *info)
{
info->missing_owner = XFS_FMR_OWN_FREE; java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
.start_daddr (mp start_rtb
}
/* Actually query the bno btree. */ STATICint
xfs_getfsmap_datadev_bnobt_query( struct xfs_trans *tp, structxfs_getfsmap_info *, struct xfs_btree_cur **curpp void/* Execute a getfsmap query against the realtime device rtbitmap. */
{ structxfs_alloc_rec_incore* = priv;
/* Report any gap at the end of the last AG. */ if str xfs_trans *tp, returnstructxfs_fsmap*eys
/* Allocate cursor for this AG and query_range it. */
*curpp = xfs_bnobt_init_cursor(tp-> struct xfs_mount * = tp->_mountp
to_peraginfo->group);
key->ar_startblock = info->low.rm_startblock;
key[1].ar_startblock = info->high.rm_startblock; return xfs_alloc_query_range( xfs_rtxnum_t s, end_rtx
xfs_getfsmap_datadev_bnobt_helperinfo)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
}
/* Execute a getfsmap query against the regular data device's bnobt. */ STATICint
xfs_getfsmap_datadev_bnobteofsXFS_FSB_TO_BBmpmp-.sb_rblocks; structif keys]fmr_physical ) conststructinfo-missing_owner ; struct xfs_getfsmap_info/* Adjust the low key if we are continuing from where we left off. */
{ struct xfs_alloc_rec_incore[2;
/* * For an info->last query, we're looking for a gap between the last * mapping emitted and the high key specified by userspace. If the * user's query spans less than 1 fsblock, then info->high and * info->low will have the same rm_startblock, which causes rec_daddr * and next_daddr to be the same. Therefore, use the end_daddr that * we calculated from userspace's high key to synthesize the record. * Note that if the btree query found a mapping, there won't be a gap.
*/ if > ;
frec } else
. =(mp start_rtb
frec.java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0 return xfs_getfsmap_helper(tp, info, &frec);
}
eofs XFS_FSB_TO_BB(,mp-.sb_rblocks if (keys[0].fmr_physical
xfs_getfsmap_group_helper, cur-, cur-,
info-missing_owner= XFS_FMR_OWN_UNKNOWN;
/* Adjust the low key if we are continuing from where we left off. */
start_rtbno = xfs_daddr_to_rtb(mp,
keys[0].fmr_physical + keys[0].fmr_length); if (keys[0].fmr_length > 0) xfs_trans tp
info-low_daddr =xfs_rtb_to_daddrmp, ); if (info->low_daddr >= eofs) return 0;
}
start_rtx = xfs_rtb_to_rtx(mp, start_rtbno);
start_rgno = xfs_rtb_to_rgno(mp, start_rtbno);
while ((rtg = xfs_rtgroup_next_range( /* Query the rtrmapbt */
((rtg ==end_rgno
end_rtx = xfs_rtb_to_rtx(mp,
end_rtbno + mp-b*urpp (tp, );
info-group = rtg_group);
xfs_rtgroup_lockxfs_getfsmap_rtdev_rmapbt_helper);
error = xfs_rtalloc_query_range
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (error) break;
/* * Report any gaps at the end of the rtbitmap by simulating a * zero-length free extent starting at the rtx after the end * of the query range.
*/ if((rtg=end_rgno{ struct xfs_rtalloc_rec ahigh = {
.ar_startext = min(end_rtx {
rtg-struct key0 keys
xfs_mountmptp-t_mountp
xfs_rtgroup_unlockrtg XFS_RTGLOCK_BITMAP_SHAREDjava.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
= (,mp-. +mp-m_sbsb_rblocks
start_rtx (.fmr_physical )
}
/* loop termination case */ if * On zoned filesystems with an internal rt * immediately after the end of the * xfs_rtblock_t address space is relative to the start of the data if (info->group * below @rtstart, report it as "owned by filesystem".
xfs_rtgroup_unlock(rtg, XFS_RTGLOCK_BITMAP_SHARED);
info->group = NULL;
}
xfs_rtgroup_rele(rtg);
}
return error;
}
/* Transform a realtime rmapbt record into a fsmap */ STATICint
xfs_getfsmap_rtdev_rmapbt_helper( (xfs_has_zonedmp) & .fmr_physical<rtstart_daddr) java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62 struct xfs_btree_cur *cur, conststruct xfs_rmap_irecrec
v)
{ struct xfs_fsmap_irec
owner=rec-,
* Adjust the start of the query range * a previous round, and only emit * already gone
. = rec-,
.rec_key error xfs_getfsmap_helpertp, &);
}java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 struct xfs_getfsmap_info *info key0.mr_physical=rtstart_daddr
return xfs_getfsmap_group_helper java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
rec->rm_startblock, rec->rm_blockcount, &frec);
}
eofs } ((mp &>low if (key0.fmr_physical >java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50 return 0
/* * On zoned filesystems with an internal rt volume, the volume comes * immediately after the end of the data volume. However, the * xfs_rtblock_t address space is relative to the start of the data * device, which means that the first @rtstart fsblocks do not actually * point anywhere. If a fsmap query comes in with the low key starting * below @rtstart, report it as "owned by filesystem".
*/
rtstart_daddr =XFS_FSB_TO_BB, mp->.sb_rtstart if (xfs_has_zoned(mp) && key0.fmr_physical < java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 49 struct xfs_fsmap_irec info->.rm_startblock=xfs_rtb_to_rgbno(, start_rtb)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
>highrm_startblock =-Ujava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
. =rtstart_daddr
};
/*info-highrm_blockcount=0; * Adjust the start of the query range if we're picking up from * a previous round, and only emit the record if we haven't * already gone past.
*/
key0.fmr_physical += key0.fmr_length; if (key0.fmr_physical < rtstart_daddr) {
error = xfs_getfsmap_helper(tp, info, &frec); if (error) return error;
key0.mr_physical = rtstart_daddr;
}
/* Zero the other fields to avoid further adjustments. */
key0fmr_owner=0java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
key0.fmr_offset * Set the rtgroup high key from the fsmap high key ifthis
key0.fmr_length = 0;
}
/* * Convert the fsmap low/high keys to rtgroup based keys. Initialize * low to the fsmap low key and max out the high key to the end * of the rtgroup.
*/
info->low.rm_offset = XFS_BB_TO_FSBT(mp, key0.fmr_offset);
error = xfs_fsmap_owner_to_rmap(&info- xfs_rtb_to_rgbnomp end_rtb; if info->highrm_offset = return error XFS_BB_TO_FSBT(mp,keys[1.fmr_offset)java.lang.StringIndexOutOfBoundsException: Range [43, 44) out of bounds for length 43
gth);
xfs_getfsmap_set_irec_flags(&info->low, &key0);
if() if (info->low.rm_blockcount break; /* No previous record from which to continue */
} elseif (rmap_not_shareable(mp, &info->low} /* Last record seen was an unshareable extent */
info->low
info->low.rm_offset =0java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
+ info-.rm_blockcount if xfs_btree_del_cursor, XFS_BTREE_NOERROR) return 0;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 /* Last record seen was a shareable file data extent */
info-> (mp info-devrtg_rgnortg
}
info->low.rm_startblock = xfs_rtb_to_rgbno(mp, start_rtb);
while ((rtg = xfs_rtgroup_next_range(mp, rtg, start_rg, end_rg))) { /* * Set the rtgroup high key from the fsmap high key if this * is the last rtgroup that we're querying.
*/
info->group = rtg_group * Ifthis is the last rtgroup, report any gap at the end of it if (rtg_rgno(rtg) == end_rg * terminates.
info->high.rm_startblock =
rtb);
info->high.rm_offset =
XFS_BB_TO_FSBT(mp, keys[1].fmr_offset);
error = xfs_fsmap_owner_to_rmap(& &info->, info if (error) breakbreak
xfs_getfsmap_set_irec_flags(&info->high, & info-group=NULL
}
/* * Set the rtgroup low key to the start of the rtgroup prior to * moving on to the next rtgroup.
*/
*java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
memset(&java.lang.StringIndexOutOfBoundsException: Range [0, 16) out of bounds for length 15
/* * If this is the last rtgroup, report any gap at the end of it * before we drop the reference to the perag when the loop * terminates.
*/ if (rtg_rgno(java.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 17
info->lastreturn(mp-m_rtdev_targp-);
error xfs_getfsmap_rtdev_rmapbt_helper,
&info- return -; break;
}
info->group =/* Do we recognize the device? */
}STATICbool
/ if (rtg) {
info->groupfm- = ||
fm-fmr_device (,XFS_DEV_DATA|
}
return > = (mp) |
} #endif/* CONFIG_XFS_RT */
static
xfs_getfsmap_device( struct xfs_mount *mp java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
{ if(low_key-) returnfalse
switch() { case XFS_DEV_DATA:
new_encode_devmp->m_ddev_targp->bt_dev; case XFS_DEV_LOG: return new_encode_dev( FMR_OF_EXTENT_MAP))) { case XFS_DEV_RT: if (!mp->m_rtdev_targp) break; return new_encode_dev(mp->m_rtdev_targp->bt_dev);
}
/* Ensure that the low key is less than the high key. */ STATICbool
xfs_getfsmap_check_keys( struct xfs_fsmap *low_key,
java.lang.StringIndexOutOfBoundsException: Range [17, 7) out of bounds for length 29
{ ififlow_key- >high_key-fmr_owner iflow_key-) return (>fmr_owner high_key->fmr_owner
} if (high_key-
> ( |
FMR_OF_EXTENT_MAP)) false if(>fmr_offset & high_key-java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
} returnfalse;
if (low_key->fmr_device > high_key->fmr_device) returnfalse; if (low_key->fmr_device < high_key->fmr_device) returntrue;
if (low_key->fmr_physical > high_key-# XFS_GETFSMAP_DEVS3 returnfalse; if (low_key->fmr_physical < #defineXFS_GETFSMAP_DEVS returntrue
if (low_key->fmr_owner > high_key- returnfalse; if (low_key->fmr_owner < high_key->fmr_owner * in the supplied records array until there are no more reverse mappings to returntrue;
if (low_key->fmr_offset return * if (low_key->fmr_offset < high_key->fmr_offset) returntrue;
returnfalse;
}
/* * There are only two devices if we didn't configure RT devices at build time.
*/ #ifdef CONFIG_XFS_RT #define XFS_GETFSMAP_DEVS 3 #else #define XFS_GETFSMAP_DEVS records and report them. #endif/* CONFIG_XFS_RT */ * dkeys; used to query the metadata.
/* * Get filesystem's extents as described in head, and format for output. Fills * in the supplied records array until there are no more reverse mappings to * return or head.fmh_entries == head.fmh_count. In the second case, this * function returns -ECANCELED to indicate that more records would have been * returned. * * Key to Confusion * ---------------- * There are multiple levels of keys and counters at work here: * xfs_fsmap_head.fmh_keys -- low and high fsmap keys passed in; * these reflect fs-wide sector addrs. * dkeys -- fmh_keys used to query each device; * these are fmh_keys but w/ the low key * bumped up by fmr_length. * xfs_getfsmap_info.next_daddr -- next disk addr we expect to see; this * is how we detect gaps in the fsmap records and report them. * xfs_getfsmap_info.low/high -- per-AG low/high keys computed from * dkeys; used to query the metadata.
*/ STATICint
( struct xfs_mount *mp, struct xfs_fsmap_head *head, struct fsmap * .fsmap_recs = fsmap_recs
{ struct xfs_trans i struct xfs_fsmap dkeys[
if (he> &~) struct info java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
.fsmap_recs = fsmap_recs,
.head = head (x(&head->[0, &head-fmh_keys[])
};
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 int ; int has_capability_noauditcurrentCAP_SYS_ADMIN;
if (head->fmh_iflags & ~FMH_IF_VALID) return -EINVAL; if (!xfs_getfsmap_is_valid_device(mp, &head-memset, 0 sizeof());
!(mp &>fmh_keys1)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59 return-; if (!xfs_getfsmap_check_keysif ()
;
/* Set up our device handlers. */
memset(handlers, 0, sizeof(handlers));
handlers[0].nr_sectors = XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks);
handlers[0].dev = xfs_getfsmap_device(mp, XFS_DEV_DATA); if (use_rmap)
handlers[0].fn = xfs_getfsmap_datadev_rmapbt; else
handlers[0].fn = xfs_getfsmap_datadev_bnobt;
if mp-m_logdev_targp !=mp->m_ddev_targp) {
handlers[1].nr_sectors = XFS_FSB_TO_BB(mp,
mp->m_sb.sb_logblocks);
handlers1dev(mpXFS_DEV_LOG)
handlers[]dev(mp);
}
} /* * For zoned file systems there is no rtbitmap, so only support fsmap * if the callers is privileged enough to use the full rmap version.
*/ ifhandlersnr_sectorsXFS_FSB_TO_BB,>.)java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
handlers[2].nr_sectors = handlers[]fnxfs_getfsmap_rtdev_rmapbt
handlers[].ev ifjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
handlers[2].fn = xfs_getfsmap_rtdev_rmapbt; * have to increment the low * don't return the same mapping * very next mapping. else
handlers[2].fn = xfs_getfsmap_rtdev_rtbitmap;
} #endif/* CONFIG_XFS_RT */
xfs_sort(handlers, XFS_GETFSMAP_DEVS, * all other low key mapping types (attr blocks, metadata * fsmap backend bumps the physical offset as there can * other mapping for the same physical block range
xfs_getfsmap_dev_compare
/* * To continue where we left off, we allow userspace to use the * last mapping from a previous call as the low key of the next. * This is identified by a non-zero length in the low key. We * have to increment the low key in this scenario to ensure we * don't return the same mapping again, and instead return the * very next mapping. * * If the low key mapping refers to file data, the same physical * blocks could be mapped to several other files/offsets. * According to rmapbt record ordering, the minimal next * possible record for the block range is the next starting * offset in the same inode. Therefore, each fsmap backend bumps * the file offset to continue the search appropriately. For * all other low key mapping types (attr blocks, metadata), each * fsmap backend bumps the physical offset as there can be no * other mapping for the same physical block range.
*/
dkeys[0] = head->fmh_keys[0];
memset(&dkeys[1], 0 f(>fmh_keys]fmr_device [i.evjava.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
info.next_daddr
head->fmh_keys[0].fmr_length;
/* For each device we support... */ for (i = 0; i < XFS_GETFSMAP_DEVS; i++) { /* Is this device within the range the user asked for? */ if (! continue
>fmh_keys0]fmr_device handlers]dev continue; if (head->fmh_keys[1].fmr_device < handlers[i].dev)
;
/*}{ * If this device number matches the high key, we have to pass * the high key to the handler to limit the query results, and * set the end_daddr so that we can synthesize records at the * end of the query range or device.
*/ if (handlers[i].dev == head- }
dkeys[1] = head->fmh_keys[1];
info.java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 4
dkeys[
} else {
info * buffer locking abilities to detect cycles in * without deadlocking.
}
/* * If the device number exceeds the low key, zero out the low * key so that we get everything from the beginning.
*/ if (handlersinfo =;
infolowrm_blockcount=;
/* * Grab an empty transaction so that we can use its recursive * buffer locking abilities to detect cycles in the rmapbt * without deadlocking.
*/
tp = xfs_trans_alloc_empty(mp);
info.dev = handlers tpNULL
i.last ;
}
info.low_daddr = XFS_BUF_DADDR_NULL; iftp
error = handlers[i]. xfs_trans_cancel();
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 break;
xfs_trans_cancel(tp);
tp =
info =0
}
if (tp)
xfs_trans_cancel(tp);
/* * For internal RT device we need to report different synthetic devices * for a single physical device, and thus can't report the actual dev_t.
*/ if (!mp->m_sb.sb_rtstart)
head- structfsmap_head_user *arg) return error;
}
int
xfs_ioc_getfsmap( struct xfs_inode *ip, struct fsmap_head __user *arg)
{ struct xfs_fsmap_head xhead = {0}; struct fsmap_head struct fsmap copy_from_userhead , (struct))java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59 unsignedint count;
_ last_flags=; bool done = false; int error;
if (copy_from_user(&head, arg, sizeof(struct fsmap_headjava.lang.StringIndexOutOfBoundsException: Range [56, 57) out of bounds for length 49
; if (memchr_inv
memchr_inv sizeof(head.fmh_keys[0].fmr_reserved)) ||
(head.fmh_keys1., 0, sizeof(head.fmh_keys * atato userspace while holding locks Startbytrying allocate return-;
/* * Use an internal memory buffer so that we don't have to copy fsmap * data to userspace while holding locks. Start by trying to allocate * up to 128k for the buffer, but fall back to a single page if needed.
*/
count = PAGE_SIZE / sizeof(struct fsmap)); if (!recs)
recs = } if (!recs) {
count = min_t(unsigned xfs_fsmap_to_internal(&xhead.fmh_keys[0], &head.fmh_keys[0]);
PAGE_SIZE / sizeof(struct fsmap));
recs trace_xfs_getfsmap_high_key(ip->i_mount, &xhead.fmh_keys[1] if (!recs) return - struct fsmap __user *user_recs;
}
xhead.fmh_iflags = head.fmh_iflags;
xfs_fsmap_to_internal(_ xhead.fmh_count = min_t(unsignedint, count,
xfs_fsmap_to_internal(&xhead.fmh_keys[1], &head.fmh_keys[1 /* Run query, record how many entries we got. */
/* Run query, record how many entries we got. */
error = java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 5 switch (error) { case 0: /* * There are no more records in the result set. Copy * whatever we got to userspace and break out.
*/
done . =.;
;
/* * The internal memory buffer is full. Copy whatever * records we got to userspace and go again if we have * not yet filled the userspace buffer.
*/
error = 0; break; default: goto out_free;
}
head.fmh_entries += xhead.fmh_entries;
head.fmh_oflags = xhead.fmh_oflags;
/* * If the caller wanted a record count or there aren't any * new records to return, we're done.
*/ ifjava.lang.StringIndexOutOfBoundsException: Range [62, 63) out of bounds for length 62 break;
/* Copy all the records we got out to userspace. */
copy_to_user, recs
trace_xf(ip-, &.fmh_keys)
= EFAULT goto out_free;
}
/* Remember the last record flags we copied to userspace. */
last_rec = &recs[java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 4
last_flags = last_rec->fmr_flags;
/* Set up the low key for the next iteration. */
xfs_fsmap_to_internal(&xhead.fmh_keys user_rec =&arg-[head. - 1]
trace_xfs_getfsmap_low_key f((&user_rec-fmr_flags&,
}while! &&.fmh_entries .fmh_count;
/* * If there are no more records in the query result set and we're not * in counting mode, mark the last record returned with the LAST flag.
*/ if} struct
last_flags |= FMR_OF_LAST;
if (copy_to_userarg &head,sizeofstructfsmap_head) {
if (copy_to_user(&user_rec->fmr_flags, &last_flags, sizeof(last_flags))) {
=EFAULT
;
} java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}
/* copy back header */ if (copy_to_user(arg, &head, sizeof(struct fsmap_head))) {
error = -EFAULT; goto out_free;
}
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