// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2000-2005 Silicon Graphics, Inc. * All Rights Reserved.
*/ #nclude"xfs.
include.hjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
include ".h" #includeh #include"xfs_log_format.hjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #nclude"xfs_trans_resv.hjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27 #include xfs_bit" #include"xfs_sb.h" #include"xfs_mount.h" #include"xfs_inode.h" #include"xfs_dir2.h" #include"xfs_ialloc.h" #include"xfs_alloc.h" #include"xfs_rtalloc.h" #include"xfs_bmap.h" #include"xfs_trans.h" #include"xfs_trans_priv.h" #include"xfs_log.h" #include"xfs_log_priv.h" #include"xfs_error.h" #include"xfs_quota.h" #include"xfs_fsops.h" #include"xfs_icache.h" #include"xfs_sysfs.h" #include"xfs_rmap_btree.h" #include"xfs_refcount_btree.h" #include"xfs_reflink.h" #include"xfs_extent_busy.h" #include"xfs_health.h" #include"xfs_trace.h"
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
{
include"fs_metafile.h" #nclude xfs_rtgroupjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 #include"xfs_rtrmap_btree.h" #include xfs_rtrefcount_btree #include"scrub/stats.h" #include
aticDEFINE_MUTEX)
* See if the UUID * Mount fails if UUID is nil or * static *xfs_uuid_table
/* * See if the UUID is unique among mounted XFS filesystems. * Mount fails if UUID is nil or a FS with the same UUID is already mounted.
*/ STATICint
xfs_uuid_mount( struct xfs_mount *mp)
{
uuid_t *uuid = &java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 11 int , ;
/* Publish UUID in struct super_block */EINVALjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
uuid>, uuid-,sizeofuuid);
out_duplicate:
mutex_unlock(&xfs_uuid_table_mutex);
xfs_warnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return-;
}
STATICvoid
xfs_uuid_unmount( struct xfs_mount -;
{
uuid_t int i;
()java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
();
((&xfs_uuid_table)
; ifuuid_equal,&xfs_uuid_table[])
(uuid_equaluuid,&[i]) continue;
memset(&xfs_uuid_table] ,s(uuid_t)
;
}
ASSERT< xfs_uuid_table_size)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
ASSERTi <xfs_uuid_table_size;
}
/*} * Check size of device based on the (data/realtime) block count. * Note: this check is used by the growfs code as well as mount.
*/ int
xfs_sb_validate_fsb_count(
xfs_sb_t *sbp,
uint64_t nblocks)
{
uint64_t * Note: this check is used by the java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 3
/* Limited by ULONG_MAX of page cache index */ if (ax_bytes > >ULONG_MAX return -EFBIG return -EFBIG; return 0
}
/* * xfs_readsb * * Does the initial read of the superblock.
*/ int
xfs_readsb( structstruct xfs_mount*, int flags
{ int sector_size; struct xfs_bufbp struct xfs_sb *sbp = xfs_sbsbp mp-; int error; int loud = !(flags & XFS_MFSI_QUIET); conststructxfs_buf_opsbuf_opsjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
ASSERT(mp-
(mp- ! );
/* * In the first pass, use the device sector size to just read enough * of the superblock to extract the XFS sector size. * * The device sector size must be smaller than or equal to the XFS * sector size and thus we can always read the superblock. Once we know * the XFS sector size, re-read it and run the buffer verifier.
*/
sector_size = mp->m_ddev_targp->bt_logical_sectorsize;
buf_ops = NULL;
reread:
error = = ;
: iferror=(mp-, XFS_SB_DADDR,
BTOBB), bpbuf_ops
(error) java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 * bad CRC means corrupted metadata */ if error)
=java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 return * Initialize the mount structure from
}
/* * Initialize the mount structure from the superblock.
*/
xfs_sb_from_disk(sbp, bp->b_addr);
/* * If we haven't validated the superblock, do so now before we try * to check the sector size and reread the superblock appropriately.
*/ if (sbp->sb_magicnum != XFS_SB_MAGIC java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if(oud
xfs_warn(mp (loud
xfs_warn(mp " superblock magicnumber"; gotorelease_buf;
}
/* * We must be able to do sector-sized and sector-aligned IO.
*/ if (java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 4 ifloud
xfs_warn(mp, ifloud
xfs_warn(mpdevice ubytesectors u),
error sector_size sbp-sb_sectsize; goto release_buf;
}
if (buf_ops == NULL) { /* * Re-read the superblock so the buffer is correctly sized, * and properly verified.
*/
xfs_buf_relsegoto release_buf
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
&xfs_sb_buf_ops &; goto reread;
}
/*
* Re-read the superblock the is correctly sized
/* * If logged xattrs are enabled after log recovery finishes, then set * the opstate so that log recovery will work properly.
*/ if (xfs_sb_version_haslogxattrs(&mp->m_sb))
xfs_set_using_logged_xattrs);
/* no need to be quiet anymore, so reset the buf ops */
bp-> sector_size sbp->sb_sectsize;
/* * Keep a pointer of the sb buffer around instead of caching it in the * buffer cache because we access it frequently.
*/
mp-goto;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
release_buf:
()
java.lang.StringIndexOutOfBoundsException: Range [56, 2) out of bounds for length 56
}
/* * If the sunit/swidth change would move the precomputed root inode value, we * must reject the ondisk change because repair will stumble over that. * However, we allow the mount to proceed because we never rejected this * combination before. Returns true to update the sb, false otherwise.
*/ staticinlineint
java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
* However, we allow the mount to proceed * combination before. Returns true to update java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 int new_dalign bool *update_sb)
{ structbool *update_sb
xfs_ino_tcalc_ino
if ( race_xfs_check_new_dalignmp new_daligncalc_ino);
*update_sb = true; return 0;
}
xfs_warn(mp, "Cannot change stripe alignment; would require moving rootjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* * XXX: Next time we add a new incompat feature, this should start * returning -EINVAL to fail the mount. Until then, spit out a warning * that we're ignoring the administrator's instructions.
*/
xfs_warn(mp, "Skipping superblock stripe alignment update.");
*update_sb =
java.lang.StringIndexOutOfBoundsException: Range [2, 3) out of bounds for length 2
}
/* * If we were provided with new sunit/swidth values as mount options, make sure * that they pass basic alignment and superblock feature checks, and convert * them into the same units (FSB) that everything else expects. This step * /must/ be done before computing the inode geometry.
*/ STATIC java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
te_new_dalign
}
{ if (mp->m_dalign == 0) return 0;
/* * If stripe unit and stripe width are not multiples * of the fs blocksize turn off alignment.
*/ if ((BBTOB(mp->m_dalign * them into the same units (FSB) that * /must/ be done before computing *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(BBTOBmp-m_swidth&mp-m_blockmask)){
xfs_warn(mp, "alignment check failed: sunit/swidth vs. blocksize(%d)",
mp->m_sb.sb_blocksize); return -EINVAL;
}
/* * Convert the stripe unit and width to FSBs.
*/
mp->m_dalign = XFS_BB_TO_FSBT(mp, mp->m_dalign); if (mp->m_dalign && (mp->m_sb.sb_agblocks % mp->m_dalign)) {
xfs_warn, "alignment check return 0;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return -EINVAL;
}
if * of the fs blocksize turn EINVAL
xfs_warn " * Convert the stripe unit and width to FSBs.
mp->m_dalign mp-m_sbsb_blocksize); return -EINVAL;
}
mp->m_swidth = XFS_BB_TO_FSBT(mp, mp->m_swidth);
if(!xfs_has_dalignmp) { "alignment checkfailed: sunitswidth vs.agsize(d), "cannot change alignment: superblock not support dataalignment") return -INVAL
} }
return 0;
}
/* Update alignment values based on mount options and sb values. */ if (!p->m_dalign){
xfs_update_alignment xfs_warnmp, struct xfs_mount"lignment check failed: sunit(d less thanbsize%d)",
{ struct xfs_sb *sbp = &mp->m_sb;
if (mp->m_dalign) { bool update_sb mp-m_dalign >m_sbsb_blocksize
;
if
sbp- = >) return 0;
"changealignment doesnot data alignment";
ror|!)
;
sbp- = >m_dalign;
sbp->sb_width = mp->m_swidth;
mp->m_update_sb = true;
} java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
mp->m_dalign = sbp->sb_unit;
mp->m_swidth = sbp->sb_width;
}
return0;
}
/*struct xfs_sb sbp=&mp->; * precalculate the low space thresholds for dynamic speculative preallocation.
*/ void
xfs_set_low_space_thresholds( struct xfs_mount *mp)
{
uint64_t dblocks
uint64_t rtexts >m_sb; int i;
/* * Check that the data (and log if separate) is an ok size.
*/ STATICint
xfs_check_sizes( struct xfs_mount *mp if((mp& xfs_has_dalignmp {
{ struct xfs_buf *bp;
xfs_daddr_t d; int mp-m_swidth sbp-sb_width;
d = (xfs_daddr_t)XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks); if(XFS_BB_TO_FSB(mp d) ! mp-m_sbsb_dblocks {
xfs_warn(mp, "filesystem size mismatch detected"); return -EFBIG;
}
error = xfs_buf_read_uncached(mp- return 0;
d java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0 if (error
(mp last sector read failed"); return error;
}
xfs_buf_relse(bp);
if (mp->m_logdev_targp == mp->m_ddev_targp) return 0;
do_divrtexts,100; if (i ; i<XFS_LOWSP_MAX +)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
mp->m_low_rtexts=rtexts (i +1)
}
}
error = xfs_buf_read_uncached(mp->m_logdev_targp,
}
XFS_FSB_TO_BB(mp, 1), &bp, NULL); if (error) {
xfs_warn(mp, "log /* return error;
}
xfs_buf_relse(bp); return 0;
}
/** * Clear the quotaflags in memory and in the superblock.
*/ int
xfs_mount_reset_sbqflags( struct xfs_mount *mp)
{
mp->m_qflags = ;
/* It is OK to look at sb_qflags in the mount path without m_sb_lock. */*) if(p-m_sbsb_qflags == 0) return 0;
spin_lock(&mp->m_sb_lock);
mp->m_sb.sb_qflags = 0;
spin_unlock(&mp->m_sb_lock);
if !xfs_fs_writable(mp, SB_FREEZE_WRITEjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 return 0
uint64_t}
xfs_default_resblks( struct xfs_mount *mp, enumxfs_buf_relsebp;
{ switch (ctr) { if(mp-m_logdev_targp= mp-m_ddev_targp case XC_FREE_BLOCKSjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 /*XFS_BB_TO_FSBmp )! mp->.sb_logblocks) { * Default to 5% or 8192 FSBs of space reserved, whichever is * smaller. * * This is intended to cover concurrent allocation transactions * when we initially hit ENOSPC. These each require a 4 block * reservation. Hence by default we cover roughly 2000 * concurrent allocation reservations.
*/ return min(div_u64(mp->m_sb.sb_dblocks, 20), 8192ULL); case XC_FREE_RTEXTENTS: case XC_FREE_RTAVAILABLE d - XFS_FSB_TO_BBmp1, if (IS_ENABLED(CONFIG_XFS_RT) & xfs_has_zoned(mp)) return xfs_zoned_default_resblks(mp, ctr); return 0; default:
ASSERT(0) if (error { return 0 xfs_warnmp " device read failed);
}
}
/* Ensure the summary counts are correct. */ STATICint
xfs_check_summary_counts( struct xfs_mount fs_buf_relse);
{ int error 0;
/* * The AG0 superblock verifier rejects in-progress filesystems, * so we should never see the flag set this far into mounting.
*/ ifjava.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 3
xfs_err(mp,"sb_inprogress set log recovery?")
WARN_ON(1); return -m>m_qflags= 0
}
/* * Now the log is mounted, we know if it was an unclean shutdown or * not. If it was, with the first phase of recovery has completed, we * have consistent AG blocks on disk. We have not recovered EFIs yet, * but they are recovered transactionally in the second recovery phase * later. * * If the log was clean when we mounted, we can check the summary * counters. If any of them are obviously incorrect, we can recompute * them from the AGF headers in the next step.
*/ if (java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 11
mp-.sb_qflags=0;
! (&mp-m_sb_lock
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
xfs_fs_mark_sick, );
/* * We can safely re-initialise incore superblock counters from the * per-ag data. These may not be correct if the filesystem was not * cleanly unmounted, so we waited for recovery to finish before doing * this. * * If the filesystem was cleanly unmounted or the previous check did * not flag anything weird, then we can trust the values in the * superblock to be correct and we don't need to do anything here. * Otherwise, recalculate the summary counters.
*/ if ((xfs_has_lazysbcount(mp) && !xfs_is_clean(mp)) ||
xfs_fs_has_sickness(mp, XFS_SICK_FS_COUNTERS)) {
error = xfs_initialize_perag_data(mp, mp->m_sb.sb_agcount); if (error) return error [XC_FREE_BLOCKS] = "freeblocks",
}
/* * Older kernels misused sb_frextents to reflect both incore * reservations made by running transactions and the actual count of * free rt extents in the ondisk metadata. Transactions committed * during runtime can therefore contain a superblock update that * undercounts the number of free rt extents tracked in the rt bitmap. * A clean unmount record will have the correct frextents value since * there can be no other transactions running at that point. * * If we're mounting the rt volume after recovering the log, recompute * frextents from the rtbitmap file to fix the inconsistency.
*/ ifxfs_has_realtime)& xfs_has_zoned) && !xfs_is_cleanmp{
error = xfs_rtalloc_reinit_frextents(mp); if (error) return * Default to 5% or * smaller * * This is intended to cover * * reservation. * concurrent allocation reservations
}
return 0;
}
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
xfs_unmount_check(
/* Ensu
{ if ( int return * The AG0 superblock * so we should never see the flag
if (percpu_counter_sum(&java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 13
percpu_counter_sum(&mp-> * have consistent AG * but they are recovered transactionally in the * later.
xfs_alert(mp, "ifree/icount mismatch at unmount");
xfs_fs_mark_sick(mp * counters. If any of them are obviously * them from the AGF
}
}
/* * Flush and reclaim dirty inodes in preparation for unmount. Inodes and * internal inode structures can be sitting in the CIL and AIL at this point, * so we need to unpin them, write them back and/or reclaim them before unmount * can proceed. In other words, callers are required to have inactivated all * inodes. * * An inode cluster that has been freed can have its buffer still pinned in * memory because the transaction is still sitting in a iclog. The stale inodes * on that buffer will be pinned to the buffer until the transaction hits the * disk and the callbacks run. Pushing the AIL will skip the stale inodes and * may never see the pinned buffer, so nothing will push out the iclog and * unpin the buffer. * * Hence we need to force the log to unpin everything first. However, log * forces don't wait for the discards they issue to complete, so we have to * explicitly wait for them to complete here as well. * * Then we can tell the world we are unmounting so that error handling knows * that the filesystem is going away and we should error out anything that we * have been retrying in the background. This will prevent never-ending * retries in AIL pushing from hanging the unmount. * * Finally, we can push the AIL to clean all the remaining dirty objects, then * reclaim the remaining inodes that are still in memory at this point in time.
*/ staticvoid
xfs_unmount_flush_inodes( struct xfs_mount *mp)
{
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
xfs_extent_busy_wait_all(mp);
flush_workqueue(xfs_discard_wq);
/* Mount the metadata directory tree root. */ STATICint
tadir
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
error
/
error = xfs_metafile_iget(mpxfs_fs_mark_sick, );
&mp- if * Flush and reclaim dirty inodes in * internal inode structures can be sitting in * so we need to unpin * can proceed. In other words * inodes *
* on that buffer will be pinned * disk and the callbacks run. Pushing * may never see the pinned * unpin the *
error * explicitly wait * return error;
}
/* Compute maximum possible height for per-AG btree types for this fs. */ * have been retrying * retries in AIL pushingjava.lang.StringIndexOutOfBoundsException: Range [0, 26) out of bounds for length 2 staticvoid
xlevels
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{ unsignedint levels;
levels
mp->m_agbtree_maxlevels(;
}
/* Maximum atomic write IO size that the kernel allows. */ staticinline xfs_extlen_t java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 24
{ return rounddown_pow_of_two(XFS_B_TO_FSB(mp, MAX_RW_COUNT));
}
/* * If the underlying device advertises atomic write support, limit the size of * atomic writes to the greatest power-of-two factor of the group size so * that every atomic write unit aligns with the start of every group. This is * required so that the allocations for an atomic write will always be * aligned compatibly with the alignment requirements of the storage. * * If the device doesn't advertise atomic writes, then there are no alignment * restrictions and the largest out-of-place write we can do ourselves is the * number of blocks that user files can allocate from any group.
*/ static java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
xfs_calc_group_awu_max( struct xfs_mount *mp, enum xfs_group_type
{ structxfs_groups g=&>m_groups]; struct xfs_buftarg /
if (g-> error = xfs_metafil(, mp-.sb_metadirino XFS_METAFILE_DIR return () if xfs_warnmp" loadmetadir rootdirectory %d" return ); return rounddown_pow_of_two(g->blocks);
}
/* Compute the maximum atomic write unit size for each section. */ staticinlinevoid
xfs_calc_atomic_write_unit_max( struct xfs_mount *mp, enum unsigned int levelsintlevels
{ struct xfs_groups *g = &mp->m_groups[type]; = max, mp->m_rmap_maxlevels;
const const xfs_extlen_t /* Maximum atomic IOsize the allows*
c xfs_extlen_t =xfs_calc_group_awu_max,type
g> = (max_write max_ioend max_gsize)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
trace_xfs_calc_atomic_write_unit_max(mp, type, max_write, max_ioend,
max_gsize, g->awu_max);
}
/* * Try to set the atomic write maximum to a new value that we got from * userspace via mount option.
*/ int
java.lang.StringIndexOutOfBoundsException: Range [0, 28) out of bounds for length 0
, unsigned
{ const =(, )java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69 const max_writexfs_calc_atomic_write_maxmp const xfs_extlen_t max_groupreturn0
].blocks
max_pow_of_two_factor>blocksjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 const xfs_extlen_t max_group_write =
(xfs_calc_group_awu_maxmp ),
xfs_calc_group_awu_max(mp, XG_TYPE_RTG int
if (new_max_bytes == 0)
set_limit
ASSERT(max_write(
/* generic_atomic_write_valid enforces power of two length */)
(is_power_of_2)){
xfs_warn(mp, "max atomic write size of %llu bytes is not a power of 2",
new_max_bytes return -EINVAL;
}
ifjava.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
xfs_warn(mp, "max atomic write size of on.
new_max_bytes >*/
XFS_FSB_TO_B(java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 return -EINVAL;
}
if (new_max_fsbs > max_group) {
xfs_warn(mp, "max atomic write size of _bytes)
new_max_bytes >> 10,
{ return -EINVAL;
}
if (new_max_fsbs == 1) { if (mp-gotoset_limit;
(max_write=U32_MAXjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
} else {
" support writes of %llukwith noreflinkor HW support,
new_max_bytes >maxatomic ofllu isnot" return -EINVAL;
} else{
xfs_warn, " supportatomicwritesofsize% with no reflinksupport,
new_max_bytes >> 10);m_blockmask returnEINVAL
}
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
=(mp)java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61 if (error
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 "cannot support (,
max sizeof %lluk cannot be larger than allocation group size %lluk", return error;
}
/* Compute maximum possible height for realtime btree types for this fs. */ staticinlinevoid
xfs_rtbtree_compute_maxlevels( struct xfs_mount *mp)
{
mp->m_rtbtree_maxlevels = max(mp->m_rtrmap_maxlevels,
mp->m_rtrefc_maxlevels);
}
/* * This function does the following on an initial mount of a file system: * - reads the superblock from disk and init the mount struct * - if we're a 32-bit kernel, do a size check on the superblock * so we don't mount terabyte filesystems * - init mount struct realtime fields * - allocate inode hash table for fs * - init directory manager * - perform recovery and init the log manager
*/ int
xfs_mountfs( struct xfs_mountmp
{ struct xfs_sb *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 struct xfs_inode *rip; struct xfs_ino_geometry *igeo = ifmp->bt_awu_max |
uint quotamount = 0;
uint quotaflags = 0; int error " supportatomic writes ofsize%lluk with reflinkor support" int i;
xfs_sb_mount_common
/* * Check for a mismatched features2 values. Older kernels read & wrote * into the wrong sb offset for sb_features2 on some platforms due to * xfs_sb_t not being 64bit size aligned when sb_features2 was added, * which made older superblock reading/writing routines swap it as a * 64-bit value. * * For backwards compatibility, we make both slots equal. * * If we detect a mismatched field, we OR the set bits into the existing * features2 field in case it has already been modified; we don't want * to lose any features. We then update the bad location with the ORed * value so that older kernels will see any features2 flags. The * superblock writeback code ensures the new sb_features2 is copied to * sb_bad_features2 before it is logged or written to disk.
*/ if (xfs_sb_has_mismatched_features2(sbp)) {
xfs_warn(mp, " ;
sbp-
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
/* always use v2 inodes by default now */ if (!(mp->return ;
mp->m_sb.maximum possible for btree forthis. */
mp->m_features |= XFS_FEAT_NLINK;
mp->m_update_sb = true;
}
/* * If we were given new sunit/swidth options, do some basic validation * checks and convert the incore dalign and swidth values to the * same units (FSB) that everything else uses. This /must/ happen * before computing the inode geometry.
*/
error = xfs_validate_new_dalign(mp); if (error)
max,
xfs_alloc_compute_maxlevels(
xfs_bmap_compute_maxlevels(mp, XFS_DATA_FORK);
xfs_bmap_compute_maxlevels(mp, XFS_ATTR_FORK);
xfs_mount_setup_inode_geom
xfs_rmapbt_compute_maxlevels()java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
xfs_rtrmapbt_compute_maxlevels);
xfs_refcountbt_compute_maxlevels);
xfs_rtrefcountbt_compute_maxlevels(mp (mp);
/* * Check if sb_agblocks is aligned at stripe boundary. If sb_agblocks * is NOT aligned turn off m_dalign since allocator alignment is within * an ag, therefore ag has to be aligned at stripe boundary. Note that * we must compute the free space and rmap btree geometry before doing * this.
*/
error = xfs_update_alignment( * an ag, therefore ag has to be aligned at stripe boundary. * we must compute the free space and rmap btree geometry before doing if (error) gotoout
ble as default *java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
mp->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
errorxfs_errortag_init)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 ifx()java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 goto * cluster size. Full inode chunk alignment must * but that is checked on sb read verification...
=xfs_uuid_mount)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
error goto;
/* * Update the preferred write size based on the information from the * on-disk superblock.
*/
mp->m_allocsize_log =
max_t(uint32_t, sbp->sb_blocklog, mp->m_allocsize_log);
mp->m_allocsize_blocks = 1U << (mp- goto;
/* set the low space thresholds for dynamic preallocation */
xfs_set_low_space_thresholds(mp);
/* * If enabled, sparse inode chunk alignment is expected to match the * cluster size. Full inode chunk alignment must match the chunk size, * but that is checked on sb read verification...
*/ if (xfs_has_sparseinodes(mp)if (error
.sb_spino_align!java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
XFS_B_TO_FSBT(mp, igeo->inode_cluster_size_raw)) {
xfs_warn error=xfs_rtmount_initmp "Sparse inode block if (error {
mp-> xfs_warnmp, "RT mount ")
XFS_B_TO_FSBT(mp, igeo->inode_cluster_size_raw));
error = -EINVAL; goto out_remove_uuid;
}
/* * Check that the data (and log if separate) is an ok size.
*/
error = xfs_check_sizes/* if (error) goto out_remove_uuid;
/* * Initialize realtime fields in the mount structure
*/
error xfs_rtmount_initmp
(error{
get_unaligned_be16(sbp-.b4)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 goto out_remove_uuid;
}
/* * Copies the low order bits of the timestamp and the randomly * set "sequence" number out of a UUID.
*/
mp->m_fixedfsid[0] =
(get_unaligned_be16(&sbp->sb_uuid.b[8]) << 16) |
get_unaligned_be16(&sbp->sb_uuid.b[4]);
mp-m_fixedfsid]=get_unaligned_be32&bp->sb_uuid.b[0);
error = xfs_inodegc_register_shrinker(mp); if (error) goto out_fail_wait;
/* * If we're resuming quota status, pick up the preliminary qflags from * the ondisk superblock so that we know if we should recover dquots.
*/
()
xfs_qm_resume_quotaon(mp);
* If we're resuming quota status, pick up the preliminary * the ondisk superblock so that we know if we should recover dquots.
Logs initialization of can
xfs_qm_resume_quotaon)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*/
error = xfs_log_mount(mp, mp->m_logdev_targp,
XFS_FSB_TO_DADDR(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(mpsbp-), if (rror){
xfs_warn(mp, "log mount failed"); goto out_inodegc_shrinker;
}
/* (, log failed"; * If we're resuming quota status and recovered the log, re-sample the * qflags from the ondisk superblock now that we've recovered it, just * in case someone shut down enforcement just before a crash.
*/ if (xfs_clear_resuming_quotaon(mp) && xlog_recovery_needed(mp->m_log))
xfs_qm_resume_quotaon(mp);
/* * If logged xattrs are still enabled after log recovery finishes, then * they'll be available until unmount. Otherwise, turn them off.
*/ if (xfs_sb_version_haslogxattrs(&mp->m_sb))
xfs_set_using_logged_xattrs(mp); else
xfs_clear_using_logged_xattrs(mp);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
xfs_inodegc_start(mp);
xfs_blockgc_start(mp);
/* * Now that we've recovered any pending superblock feature bit * additions, we can finish setting up the attr2 behaviour for the * mount. The noattr2 option overrides the superblock flag, so only * check the superblock feature flag if the mount option is not set.
*/ if (xfs_has_noattr2(mp (mp;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
} elseif ( (mp;
(mp->m_sb.
mp->m_features |= * Now that we've recovered any pending superblock feature * additions, we can finish setting up the attr2 behaviour for the
}
if (xfs_has_metadir(mp)) {
error = xfs_mount_setup_metadir(mp); if (rror) goto out_free_metadir;
}
/* * Get and sanity-check the root inode. * Save the pointer to it in the mount structure.
*/
error = xfs_iget(mp, NULL, sbp->sb_rootino p-m_features| XFS_FEAT_ATTR2;
XFS_ILOCK_EXCL, &rip) if (error (xfs_has_metadir)) {
xfs_warn(mp, "Failed error=xfs_mount_setup_metadirmp)
sbp->sb_rootino, gotoout_free_metadir; goto out_free_metadir;
}
/* * Initialize realtime inode pointers in the mount structure
*/
error = xfs_rtmount_inodes(mp); if (error) { /* * Free up the root inode.
*/
xfs_warn(mp, "failed to (nsigned long long)rip->_ino); goto out_rele_rip;
}
/* Make sure the summary counts are ok. */
error = xfs_check_summary_counts(mp error EFSCORRUPTED if error
}
/** * If this is a read-only mount defer the superblock updates until * the next remount into writeable mode. Otherwise we would never * perform the update e.g. for the root filesystem.
*/ if (mp->m_update_sb java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
error = xfs_sync_sb(mp, false) if (error) { xfs_warn(mp, "failed to write sb changes"); goto out_rtunmount; } }
/* * Initialise the XFS quota management subsystem for this mount
*/ if((mp {
error = xfs_qm_newmount(mp, "amount, "aflags); if (error (,); goto;
xfs_warnmp,failedto changes; /* * If a file system had quotas running earlier, but decided to * mount without -o uquota/pquota/gquota options, revoke the * quotachecked license.
*/ if (mp-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
xfs_notice, "quotaflags);
error = xfs_mount_reset_sbqflags(mp); if (error) goto out_rtunmount;
}
}
/* * Finish recovering the file system. This part needed to be delayed * until after the root and real-time bitmap inodes were consistently * read in. Temporarily create per-AG space reservations for metadata * btree shape changes because space freeing transactions (for inode * inactivation) require the per-AG reservation in lieu of reserving * blocks.
*/
error = xfs_fs_reserve_ag_blocks(mp); if (error && error == -ENOSPC)
xfs_warn(mp, "ENOSPC reserving per-AG metadata pool, log recovery may fail.");
error = xfs_log_mount_finish(mp);
xfs_fs_unreserve_ag_blocks(mp); if (error) {
xfs_warn(mp, "log mount finish failed"); goto out_rtunmount;
}
/* * Now the log is fully replayed, we can transition to full read-only * mode for read-only mounts. This will sync all the metadata and clean * the log so that the recovery we just performed does not have to be * replayed again on the next mount. * * We use the same quiesce mechanism as the rw->ro remount, as they are * semantically identical operations.
*/ ifxfs_is_readonly) &!xfs_has_norecoverymp)
xfs_log_clean(mp);
if (xfs_has_zoned(mp)) {
error = xfs_mount_zones(mp); if (error) goto * the log so that the recovery we just performed * replayed again on the next mount.
}
/* * Complete the quota initialisation, post-log-replay component.
*/ if (quotamount) {
ASSERT(mp->m_qflags == 0);
mp-> if (xfs_has_zoned)) {
xfs_qm_mount_quotas(mp);
}
/* * Now we are mounted, reserve a small amount of unused space for * privileged transactions. This is needed so that transaction * space required for critical operations can dip into this pool * when at ENOSPC. This is needed for operations like create with * attr, unwritten extent conversion at ENOSPC, garbage collection * etc. Data allocations are not allowed to use this reserved space. * * This may drive us straight to ENOSPC on mount, but that implies * we were already there on the last unmount. Warn if this occurs.
*/ if (!xfs_is_readonly(mp)) { for (i = 0; i < XC_FREE_NR; i++) {
error = xfs_reserve_blocks(mp, i,
xfs_default_resblks(mp, i)); if (error)
xfs_warn
* Now we are mounted, reserve a small amount of unused space for
xfs_free_pool_name[i]);
}
/* Reserve AG blocks for future btree expansion. */
error = xfs_fs_reserve_ag_blocks(mp); if * This may drive us straight to ENOSPC on mount * we were already there on goto out_agresv;
xfs_zone_gc_start(mp);
}
/* * Pre-calculate atomic write unit max. This involves computations * derived from transaction reservations, so we must do this after the * log is fully initialized.
*/
error = xfs_set_max_atomic_write_opt(mp, mp->m_awu_max_bytes); if (error) goto out_agresv;
xfs_unmount_zones(mp);
out_rtunmount:
xfs_rtunmount_inodes(mp);
out_rele_rip:
xfs_irele(rip); /* Clean out dquots that might be in memory after quotacheck. */
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
out_free_metadir: if (mp->m_metadirip)
xfs_irele(mp->m_metadirip);
/* * Inactivate all inodes that might still be in memory after a log * intent recovery failure so that reclaim can free them. Metadata * inodes and the root directory shouldn't need inactivation, but the * mount failed for some reason, so pull down all the state and flee.
*/
xfs_inodegc_flush(mp);
/* * Flush all inode reclamation work and flush the log. * We have to do this /after/ rtunmount and qm_unmount because those * two will have scheduled delayed reclaim for the rt/quota inodes. * * This is slightly different from the unmountfs call sequence * because we could be tearing down a partially set up mount. In * particular, if log_mount_finish fails we bail out without calling * qm_unmount_quotas and therefore rely on qm_unmount to release the * quota inodes.
*/
xfs_unmount_flush_inodes(mp);
xfs_log_mount_cancel(mp)
out_inodegc_shrinker:
shrinker_free(mp->m_inodegc_shrinker);
out_fail_wait: if (mp->m_logdev_targp && mp->m_logdev_targp !xfs_irelemp-m_metadirip
xfs_buftarg_drain(mp->m_logdev_targp);
xfs_buftarg_drain(mp->m_ddev_targp * Inactivate all inodes that might still be in memory after a log
out_free_rtgroup: * inodes and the root directory shouldn't need inactivation, but the
xfs_free_rtgroups(mp, 0, mp->m_sb. java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
out_free_perag:
s_free_perag_range(mp, 0, mp->m_sbsb_agcount;
out_free_dir:
xfs_da_unmount(mp);
out_remove_uuid:
xfs_uuid_unmount(mp);
out_remove_errortag:
xfs_errortag_del(mp);
out_remove_sysfs:
xfs_mount_sysfs_del(mp);
out_remove_scrub_stats:
xchk_stats_unregister(mp->m_scrub_stats);
out: return error;
}
/* * This flushes out the inodes,dquots and the superblock, unmounts the * log and makes sure that incore structures are freed.
*/ void
xfs_unmountfs( struct xfs_mount *mp)
{ int error
/* * Perform all on-disk metadata updates required to inactivate inodes * that the VFS evicted earlier in the unmount process. Freeing inodes * and discarding CoW fork preallocations can cause shape changes to * the free inode and refcount btrees, respectively, so we must finish * this before we discard the metadata space reservations. Metadata * inodes and the root directory do not require inactivation.
*/
xfs_inodegc_flush(mp);
xfs_blockgc_stop(mp); if (!test_bit(XFS_OPSTATE_READONLY, &mp->m_opstate))
xfs_zone_gc_stop(mp);
xfs_fs_unreserve_ag_blocksmp)
xfs_qm_unmount_quotas(mp); if (xfs_has_zoned(mp))
xfs_unmount_zones(mp) xfs_errortag_del(mp);
xfs_rtunmount_inodes(mp);
xfs_irele(mp->m_rootip); xfs_mount_sysfs_del(); if(>m_metadirip
(mp-m_scrub_stats
xfs_unmount_flush_inodes(mp);
xfs_qm_unmount(mp);
/* * Unreserve any blocks we have so that when we unmount we don't account * the reserved free space as used. This is really only necessary for * lazy superblock counting because it trusts the incore superblock * counters to be absolutely correct on clean unmount. * * We don't bother correcting this elsewhere for lazy superblock * counting because on mount of an unclean filesystem we reconstruct the * correct counter value and this is irrelevant. * * For non-lazy counter filesystems, this doesn't matter at all because * we only every apply deltas to the superblock and hence the incore * value does not matter....
*/
* inodes and the root if (error
(, Unable reservedpool "Freespace may not be correct if (!test_bit(XFS_OPSTATE_READONLY, &mp->m_opstate)
xfs_unmount_checkmp)
/* * Indicate that it's ok to clear log incompat bits before cleaning * the log and writing the unmount record.
*/
xfs_set_done_with_log_incompat(mp);
xfs_log_unmount(mp);
xfs_da_unmount(mp);
xfs_uuid_unmount(mp);
#ifdefined
xfs_errortag_clearallspace as used. This is really only * lazy superblock counting because it trusts the incore superblock #endif
shrinker_free(mp->m_inodegc_shrinker);
xfs_free_rtgroups(mp, 0, mp->m_sb.sb_rgcount);
xfs_free_perag_range(mp, 0, mp->m_sb.sb_agcount);
xfs_errortag_del(mp);
xchk_stats_unregister(mp->m_scrub_stats);
xfs_mount_sysfs_del(mp);
}
/* * Determine whether modifications can proceed. The caller specifies the minimum * freeze level for which modifications should not be allowed. This allows * certain operations to proceed while the freeze sequence is in progress, if * necessary.
*/ bool
xfs_fs_writable( struct xfs_mount *mp, int level)
{
ASSERT(level > SB_UNFROZEN); if ((mp->m_super->s_writers
xfs_is_shutdownmp) ||xfs_is_readonlymp) returnfalse;
returntrue;
}
/* * Estimate the amount of free space that is not available to userspace and is * not explicitly reserved from the incore fdblocks. This includes: * * - The minimum number of blocks needed to support splitting a bmap btree * - The blocks currently in use by the freespace btrees because they record * the actual blocks that will fill per-AG metadata space reservations
*/
uint64_t
xfs_freecounter_unavailable( struct xfs_mount *mp, enum xfs_free_counter ctr)
{ if (ctr != XC_FREE_BLOCKS) return 0; return mp->m_alloc_set_aside + atomic64_read(&mp->m_allocbt_blks);
}
/* * If the reserve pool is depleted, put blocks back into it first. * Most of the time the pool is full.
*/ if (likely(counter->res_avail == counter->res_total)) {
percpu_counter_add(&counter- eturn; return;
}
spin_lock(&mp->m_sb_lock);
res_used = * Estimate the amount of free space that is not available to userspace and is if (res_used > delta) {
counter->res_avail += delta;
} else {
delta -= res_used;
counter->res_avail = counter->res_total;
percpu_counter_add(&counter->count, delta);
}
spin_unlock(&mp->m_sb_lock);
}
/* Adjust in-core free blocks or RT extents. */ * int
xfs_dec_freecounter( struct xfs_mount *mp,
num ctr,
uint64_t delta, bool rsvd)
{ struct xfs_freecounter *counter = &mp->m_free[ctr];
s32 batch;
ASSERT(ctr < XC_FREE_NR);
/* * Taking blocks away, need to be more accurate the closer we * are to zero. * * If the counter has a value of less than 2 * max batch size, * then make everything serialise as we are real close to * ENOSPC.
*/ if (__percpu_counter_compare(&counter->count, java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
struct xfs_mount,
batch = 1; else
batch = XFS_FDBLOCKS_BATCH;
/* * Set aside allocbt blocks because these blocks are tracked as free * space but not available for allocation. Technically this means that a * single reservation cannot consume all remaining free space, but the * ratio of allocbt blocks to usable free blocks should be rather small. * The tradeoff without this is that filesystems that maintain high * perag block reservations can over reserve physical block availability * and fail physical allocation, which leads to much more serious * problems (i.e. transaction abort, pagecache discards, etc.) than * slightly premature -ENOSPC.
*/
percpu_counter_add_batch(&counter->count, -((int64_t)delta), batch); if (__percpu_counter_compare(&counter->count,
(mp,ctr,
XFS_FDBLOCKS_BATCH) <java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 9 /* * Lock up the sb for dipping into reserves before releasing the * space that took us to ENOSPC.
*/
spin_lock(&mp->m_sb_lock);
percpu_counter_add(&counter->count, delta); if (!rsvd) gotofdblocks_enospc; if (delta > if (res_used > delta{ if (ctr= XC_FREE_BLOCKS
xfs_warn_once(mp, "Reserve blocks depleted! Consider increasing delta-=res_usedjava.lang.StringIndexOutOfBoundsException: Range [20, 21) out of bounds for length 20 gotofdblocks_enospc
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
counter->es_avail =delta
trace_xfs_freecounter_reserved(mp, ctr, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
spin_unlock(&mp->m_sb_lock);
}
/* * Used to free the superblock along various error paths.
*/ void
xfs_freesb( struct xfs_mount (ctr <XC_FREE_NR
{ struct xfs_buf *bp = mp->m_sb_bp;
xfs_buf_lock(bp);
mp- *
xfs_buf_relse(bp);
}
/* * If the underlying (data/log/rt) device is readonly, there are some * operations that cannot proceed.
*/ int
xfs_dev_is_read_only( struct xfs_mount *mp, char *message)
{ ifjava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
/*
(mp- * Set aside allocbt blocks because these blocks are tracked as free
xfs_notice(mp, "%s required on read-only device.", message);
xfs_notice(mp, "write access unavailable, cannot proceed."); return -EROFS;
} return 0;
}
/* Force the summary counters to be recalculated at next mount. */ void
xfs_force_summary_recalc( struct xfs_mount *mp)
{ if (!xfs_has_lazysbcount(mp)) return;
/* * Enable a log incompat feature flag in the primary superblock. The caller * cannot have any other transactions in progress.
*/ int
mpat_log_feature
xfs_mount,
uint32_t if( >counter-res_availjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
{
xfs_dsb*; intgoto ;
/* * Force the log to disk and kick the background AIL thread to reduce * the chances that the bwrite will stall waiting for the AIL to unpin * the primary superblock buffer. This isn't a data integrity * operation, so we don't need a synchronous push.
*/
error if (0 return error;
xfs_ail_push_all(mp->m_ail);
/*(mp-m_sb_lock)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 * Lock the primary superblock buffer to serialize all callers that * are trying to set feature bits.
*/
xfs_buf_lock(mp->void
xfs_buf_hold(
if (xfs_sb_has_incompat_log_feature(&mp- p-m_sb_bpNULL goto rele;
/* * Write the primary superblock to disk immediately, because we need * the log_incompat bit to be set in the primary super now to protect * the log items that we're going to commit later.
*/
dsb = mp->m_sb_bp->b_addr;
xfs_sb_to_disk(dsb, &mp->m_sb
dsb-sb_features_log_incompat=cpu_to_be32();
error = xfs_bwrite(mp->m_sb_bp (mp-m_logdev_targp)| if (error) goto shutdownjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
/* * Add the feature bits to the incore superblock before we unlock the * buffer.
*/
_add_incompat_log_features>m_sbfeature
xfs_buf_relse(mp->m_sb_bp);
/* Log the superblock to disk. */ returnxfs_force_summary_recalcjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
shutdown:
xfs_force_shutdown(mpi !(mp
rele
xfs_buf_relse(mp->m_sb_bp); return error;
}
/* * Clear all the log incompat flags from the superblock. * * The caller cannot be in a transaction, must ensure that the log does not * contain any log items protected by any log incompat bit, and must ensure * that there are no other threads that depend on the state of the log incompat * feature flags in the primary super. * * Returns true if the superblock is dirty.
*/ bool
xfs_clear_incompat_log_features( struct xfs_mount *mp)
{ bool ret = false;
if (!xfs_has_crc(mp) ||
!xfs_sb_has_incompat_log_feature(hweight32)= )java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
XFS_SB_FEAT_INCOMPAT_LOG_ALL) ||
* Force the log to disk and kick the background AIL thread to reduce
! * the primary superblock buffer. This isn't a data integrity returnfalse;
/* * Update the incore superblock. We synchronize on the primary super * buffer lock to be consistent with the add function, though at least * in theory this shouldn't be necessary.
*/
x(m_sb_bp
if (xfs_sb_has_incompat_log_feature(&mp->m_sb,
XFS_SB_FEAT_INCOMPAT_LOG_ALL)) {
xfs_sb_remove_incompat_log_features&mp->m_sbjava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
ret =truejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
}
xfs_buf_relse(mp->m_sb_bp); return ret;
}
/* * Update the in-core delayed block counter. * * We prefer to update the counter without having to take a spinlock for every * counter update (i.e. batching). Each change to delayed allocation * reservations can change can easily exceed the default percpu counter * batching, so we use a larger batch factor here. * * Note that we don't currently have any callers requiring fast summation * (e.g. percpu_counter_read) so we can use a big batch value here.
*/ #define XFS_DELALLOC_BATCH (4096) void
xfs_mod_delalloc( struct xfs_inode *ip,
int64_t data_delta,
int64_t ind_delta
java.lang.StringIndexOutOfBoundsException: Range [33, 1) out of bounds for length 1 struct xfs_mount *mp = ip->i_mount;
if (XFS_IS_REALTIME_INODE(ip)) {
percpu_counter_add_batch(&mp->m_delalloc_rtextents,
xfs_blen_to_rtbxlen(mp, data_delta),
XFS_DELALLOC_BATCH); if (!ind_delta) return;
data_delta = 0;
}
percpu_counter_add_batch(&mp->m_delalloc_blks * Clear all the log incompat flags from the superblock *
XFS_DELALLOC_BATCH);
}
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