diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c index 126da7fc5ded..3349c9a1e845 100644 --- a/fs/xfs/libxfs/xfs_attr.c +++ b/fs/xfs/libxfs/xfs_attr.c @@ -320,8 +320,7 @@ xfs_attr_set( xfs_trans_ichgtime(args.trans, dp, XFS_ICHGTIME_CHG); } - err2 = xfs_trans_commit(args.trans, - XFS_TRANS_RELEASE_LOG_RES); + err2 = xfs_trans_commit(args.trans); xfs_iunlock(dp, XFS_ILOCK_EXCL); return error ? error : err2; @@ -383,7 +382,7 @@ xfs_attr_set( * Commit the last in the sequence of transactions. */ xfs_trans_log_inode(args.trans, dp, XFS_ILOG_CORE); - error = xfs_trans_commit(args.trans, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(args.trans); xfs_iunlock(dp, XFS_ILOCK_EXCL); return error; @@ -499,7 +498,7 @@ xfs_attr_remove( * Commit the last in the sequence of transactions. */ xfs_trans_log_inode(args.trans, dp, XFS_ILOG_CORE); - error = xfs_trans_commit(args.trans, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(args.trans); xfs_iunlock(dp, XFS_ILOCK_EXCL); return error; diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index a07055aaf433..caca2c59de96 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -1215,7 +1215,7 @@ xfs_bmap_add_attrfork( error = xfs_bmap_finish(&tp, &flist, &committed); if (error) goto bmap_cancel; - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); return error; @@ -5926,8 +5926,7 @@ xfs_bmap_split_extent( if (error) goto out; - return xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); - + return xfs_trans_commit(tp); out: xfs_trans_cancel(tp); diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index 3a5667d7cf24..fcc151f69a75 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -799,5 +799,5 @@ xfs_sync_sb( xfs_log_sb(tp); if (wait) xfs_trans_set_sync(tp); - return xfs_trans_commit(tp, 0); + return xfs_trans_commit(tp); } diff --git a/fs/xfs/libxfs/xfs_shared.h b/fs/xfs/libxfs/xfs_shared.h index 930cc7d295ec..5be529707903 100644 --- a/fs/xfs/libxfs/xfs_shared.h +++ b/fs/xfs/libxfs/xfs_shared.h @@ -181,11 +181,6 @@ int xfs_log_calc_minimum_size(struct xfs_mount *); #define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */ #define XFS_TRANS_FREEZE_PROT 0x40 /* Transaction has elevated writer count in superblock */ -/* - * Values for call flags parameter. - */ -#define XFS_TRANS_RELEASE_LOG_RES 0x4 - /* * Field values for xfs_trans_mod_sb. */ diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 3890a38a0f26..7246a3936c6f 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -155,7 +155,7 @@ xfs_setfilesize( xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - return xfs_trans_commit(tp, 0); + return xfs_trans_commit(tp); } STATIC int diff --git a/fs/xfs/xfs_attr_inactive.c b/fs/xfs/xfs_attr_inactive.c index af7fce33ae52..48f26ff08880 100644 --- a/fs/xfs/xfs_attr_inactive.c +++ b/fs/xfs/xfs_attr_inactive.c @@ -438,7 +438,7 @@ xfs_attr_inactive(xfs_inode_t *dp) if (error) goto out; - error = xfs_trans_commit(trans, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(trans); xfs_iunlock(dp, XFS_ILOCK_EXCL); return error; diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 7e795cf60bd0..1f0215d9a471 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -893,8 +893,7 @@ xfs_free_eofblocks( */ xfs_trans_cancel(tp); } else { - error = xfs_trans_commit(tp, - XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (!error) xfs_inode_clear_eofblocks_tag(ip); } @@ -1034,7 +1033,7 @@ xfs_alloc_file_space( goto error0; } - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); if (error) { break; @@ -1301,7 +1300,7 @@ xfs_free_file_space( goto error0; } - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); } @@ -1473,7 +1472,7 @@ xfs_shift_file_space( if (error) goto out; - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); } return error; @@ -1882,7 +1881,7 @@ xfs_swap_extents( if (mp->m_flags & XFS_MOUNT_WSYNC) xfs_trans_set_sync(tp); - error = xfs_trans_commit(tp, 0); + error = xfs_trans_commit(tp); trace_xfs_swap_extent_after(ip, 0); trace_xfs_swap_extent_after(tip, 1); diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index ab0ae1f8b0ea..4143dc75dca4 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -666,7 +666,7 @@ xfs_qm_dqread( xfs_trans_brelse(tp, bp); if (tp) { - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) goto error0; } diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 46598b7bce86..0dec85865ce4 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -160,7 +160,7 @@ xfs_update_prealloc_flags( xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); if (flags & XFS_PREALLOC_SYNC) xfs_trans_set_sync(tp); - return xfs_trans_commit(tp, 0); + return xfs_trans_commit(tp); } /* diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 0bdcdb74fc76..0932c15acb74 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -489,7 +489,7 @@ xfs_growfs_data_private( if (dpct) xfs_trans_mod_sb(tp, XFS_TRANS_SB_IMAXPCT, dpct); xfs_trans_set_sync(tp); - error = xfs_trans_commit(tp, 0); + error = xfs_trans_commit(tp); if (error) return error; diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 3f3f8a0e7837..63cd40022bf4 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1230,7 +1230,7 @@ xfs_create( if (error) goto out_bmap_cancel; - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) goto out_release_inode; @@ -1339,7 +1339,7 @@ xfs_create_tmpfile( if (error) goto out_trans_cancel; - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) goto out_release_inode; @@ -1465,7 +1465,7 @@ xfs_link( goto error_return; } - return xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + return xfs_trans_commit(tp); error_return: xfs_trans_cancel(tp); @@ -1702,7 +1702,7 @@ xfs_inactive_truncate( ASSERT(ip->i_d.di_nextents == 0); - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) goto error_unlock; @@ -1799,7 +1799,7 @@ xfs_inactive_ifree( if (error) xfs_notice(mp, "%s: xfs_bmap_finish returned error %d", __func__, error); - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) xfs_notice(mp, "%s: xfs_trans_commit returned error %d", __func__, error); @@ -2569,7 +2569,7 @@ xfs_remove( if (error) goto out_bmap_cancel; - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) goto std_return; @@ -2659,7 +2659,7 @@ xfs_finish_rename( return error; } - return xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + return xfs_trans_commit(tp); } /* diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 3abd3c45b019..ea7d85af5310 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -346,7 +346,7 @@ xfs_set_dmattrs( ip->i_d.di_dmstate = state; xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - error = xfs_trans_commit(tp, 0); + error = xfs_trans_commit(tp); return error; } @@ -1253,7 +1253,7 @@ xfs_ioctl_setattr( else ip->i_d.di_extsize = 0; - code = xfs_trans_commit(tp, 0); + code = xfs_trans_commit(tp); /* * Release any dquot(s) the inode had kept before chown. @@ -1342,7 +1342,7 @@ xfs_ioc_setxflags( goto out_drop_write; } - error = xfs_trans_commit(tp, 0); + error = xfs_trans_commit(tp); out_drop_write: mnt_drop_write_file(filp); return error; diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 6ca842abae10..1f86033171c8 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -213,7 +213,7 @@ xfs_iomap_write_direct( error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) goto out_bmap_cancel; - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) goto out_unlock; @@ -760,7 +760,7 @@ xfs_iomap_write_allocate( if (error) goto trans_cancel; - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) goto error0; @@ -890,7 +890,7 @@ xfs_iomap_write_unwritten( if (error) goto error_on_bmapi_transaction; - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); if (error) return error; diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 8bd71f17f8b4..e440aed89c82 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -702,7 +702,7 @@ xfs_setattr_nonsize( if (mp->m_flags & XFS_MOUNT_WSYNC) xfs_trans_set_sync(tp); - error = xfs_trans_commit(tp, 0); + error = xfs_trans_commit(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -926,7 +926,7 @@ xfs_setattr_size( if (mp->m_flags & XFS_MOUNT_WSYNC) xfs_trans_set_sync(tp); - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); out_unlock: if (lock_flags) xfs_iunlock(ip, lock_flags); @@ -1002,7 +1002,7 @@ xfs_vn_update_time( } xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); xfs_trans_log_inode(tp, ip, XFS_ILOG_TIMESTAMP); - return xfs_trans_commit(tp, 0); + return xfs_trans_commit(tp); } #define XFS_FIEMAP_FLAGS (FIEMAP_FLAG_SYNC|FIEMAP_FLAG_XATTR) diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h index 84e0deb95abd..4040c477892f 100644 --- a/fs/xfs/xfs_log.h +++ b/fs/xfs/xfs_log.h @@ -183,7 +183,7 @@ struct xlog_ticket *xfs_log_ticket_get(struct xlog_ticket *ticket); void xfs_log_ticket_put(struct xlog_ticket *ticket); void xfs_log_commit_cil(struct xfs_mount *mp, struct xfs_trans *tp, - xfs_lsn_t *commit_lsn, int flags); + xfs_lsn_t *commit_lsn, bool regrant); bool xfs_log_item_in_current_chkpt(struct xfs_log_item *lip); void xfs_log_work_queue(struct xfs_mount *mp); diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c index 7e0e63eb4802..d6f26d7d0ce5 100644 --- a/fs/xfs/xfs_log_cil.c +++ b/fs/xfs/xfs_log_cil.c @@ -773,13 +773,13 @@ xfs_log_commit_cil( struct xfs_mount *mp, struct xfs_trans *tp, xfs_lsn_t *commit_lsn, - int flags) + bool regrant) { struct xlog *log = mp->m_log; struct xfs_cil *cil = log->l_cilp; int log_flags = 0; - if (flags & XFS_TRANS_RELEASE_LOG_RES) + if (!regrant) log_flags = XFS_LOG_REL_PERM_RESERV; /* lock out background commit */ diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 8f2923fab17b..599de7248e21 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -3751,7 +3751,7 @@ xlog_recover_process_efi( } set_bit(XFS_EFI_RECOVERED, &efip->efi_flags); - error = xfs_trans_commit(tp, 0); + error = xfs_trans_commit(tp); return error; abort_error: @@ -3857,7 +3857,7 @@ xlog_recover_clear_agi_bucket( xfs_trans_log_buf(tp, agibp, offset, (offset + sizeof(xfs_agino_t) - 1)); - error = xfs_trans_commit(tp, 0); + error = xfs_trans_commit(tp); if (error) goto out_error; return; diff --git a/fs/xfs/xfs_pnfs.c b/fs/xfs/xfs_pnfs.c index 3bb6097c7dd3..ab4a6066f7ca 100644 --- a/fs/xfs/xfs_pnfs.c +++ b/fs/xfs/xfs_pnfs.c @@ -321,7 +321,7 @@ xfs_fs_commit_blocks( } xfs_trans_set_sync(tp); - error = xfs_trans_commit(tp, 0); + error = xfs_trans_commit(tp); out_drop_iolock: xfs_iunlock(ip, XFS_IOLOCK_EXCL); diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index c4ba36dfb49c..eac9549efd52 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -795,7 +795,7 @@ xfs_qm_qino_alloc( spin_unlock(&mp->m_sb_lock); xfs_log_sb(tp); - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) { ASSERT(XFS_FORCED_SHUTDOWN(mp)); xfs_alert(mp, "%s failed (error %d)!", __func__, error); diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c index 92ad24f9e5be..3640c6e896af 100644 --- a/fs/xfs/xfs_qm_syscalls.c +++ b/fs/xfs/xfs_qm_syscalls.c @@ -259,7 +259,7 @@ xfs_qm_scall_trunc_qfile( ASSERT(ip->i_d.di_nextents == 0); xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); out_unlock: xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); @@ -547,7 +547,7 @@ xfs_qm_scall_setqlim( dqp->dq_flags |= XFS_DQ_DIRTY; xfs_trans_log_dquot(tp, dqp); - error = xfs_trans_commit(tp, 0); + error = xfs_trans_commit(tp); out_rele: xfs_qm_dqrele(dqp); @@ -584,8 +584,7 @@ xfs_qm_log_quotaoff_end( * We don't care about quotoff's performance. */ xfs_trans_set_sync(tp); - error = xfs_trans_commit(tp, 0); - return error; + return xfs_trans_commit(tp); } @@ -623,7 +622,7 @@ xfs_qm_log_quotaoff( * We don't care about quotoff's performance. */ xfs_trans_set_sync(tp); - error = xfs_trans_commit(tp, 0); + error = xfs_trans_commit(tp); if (error) goto out; diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index ff5af6693650..f4e8c06eee26 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -815,7 +815,7 @@ xfs_growfs_rt_alloc( error = xfs_bmap_finish(&tp, &flist, &committed); if (error) goto error_cancel; - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) goto error; /* @@ -855,7 +855,7 @@ xfs_growfs_rt_alloc( /* * Commit the transaction. */ - error = xfs_trans_commit(tp, 0); + error = xfs_trans_commit(tp); if (error) goto error; } @@ -1070,7 +1070,7 @@ xfs_growfs_rt( mp->m_rsumlevels = nrsumlevels; mp->m_rsumsize = nrsumsize; - error = xfs_trans_commit(tp, 0); + error = xfs_trans_commit(tp); if (error) break; } diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c index b5573bf45ca1..2d90452062b0 100644 --- a/fs/xfs/xfs_symlink.c +++ b/fs/xfs/xfs_symlink.c @@ -390,7 +390,7 @@ xfs_symlink( if (error) goto out_bmap_cancel; - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) goto out_release_inode; @@ -528,7 +528,7 @@ xfs_inactive_symlink_rmt( /* * Commit the transaction containing extent freeing and EFDs. */ - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); + error = xfs_trans_commit(tp); if (error) { ASSERT(XFS_FORCED_SHUTDOWN(mp)); goto error_unlock; diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index 6cca99640d1a..fb1bd17ea8ce 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -892,26 +892,16 @@ xfs_trans_committed_bulk( * have already been unlocked as if the commit had succeeded. * Do not reference the transaction structure after this call. */ -int -xfs_trans_commit( +static int +__xfs_trans_commit( struct xfs_trans *tp, - uint flags) + bool regrant) { struct xfs_mount *mp = tp->t_mountp; xfs_lsn_t commit_lsn = -1; int error = 0; - int log_flags = 0; int sync = tp->t_flags & XFS_TRANS_SYNC; - /* - * Determine whether this commit is releasing a permanent - * log reservation or not. - */ - if (flags & XFS_TRANS_RELEASE_LOG_RES) { - ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES); - log_flags = XFS_LOG_REL_PERM_RESERV; - } - /* * If there is nothing to be logged by the transaction, * then unlock all of the items associated with the @@ -936,7 +926,7 @@ xfs_trans_commit( xfs_trans_apply_sb_deltas(tp); xfs_trans_apply_dquot_deltas(tp); - xfs_log_commit_cil(mp, tp, &commit_lsn, flags); + xfs_log_commit_cil(mp, tp, &commit_lsn, regrant); current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS); xfs_trans_free(tp); @@ -964,6 +954,12 @@ xfs_trans_commit( */ xfs_trans_unreserve_and_mod_dquots(tp); if (tp->t_ticket) { + int log_flags = 0; + + if (regrant) + ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES); + else + log_flags = XFS_LOG_REL_PERM_RESERV; commit_lsn = xfs_log_done(mp, tp->t_ticket, NULL, log_flags); if (commit_lsn == -1 && !error) error = -EIO; @@ -976,6 +972,13 @@ xfs_trans_commit( return error; } +int +xfs_trans_commit( + struct xfs_trans *tp) +{ + return __xfs_trans_commit(tp, false); +} + /* * Unlock all of the transaction's items and free the transaction. * The transaction must not have modified any of its items, because @@ -1029,7 +1032,7 @@ xfs_trans_cancel( /* * Roll from one trans in the sequence of PERMANENT transactions to * the next: permanent transactions are only flushed out when - * committed with XFS_TRANS_RELEASE_LOG_RES, but we still want as soon + * committed with xfs_trans_commit(), but we still want as soon * as possible to let chunks of it go to the log. So we commit the * chunk we've been working on and get a new transaction to continue. */ @@ -1063,7 +1066,7 @@ xfs_trans_roll( * is in progress. The caller takes the responsibility to cancel * the duplicate transaction that gets returned. */ - error = xfs_trans_commit(trans, 0); + error = __xfs_trans_commit(trans, true); if (error) return error; diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index ca95b92a40a5..3b21b4e5e467 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -225,7 +225,7 @@ void xfs_trans_log_efd_extent(xfs_trans_t *, struct xfs_efd_log_item *, xfs_fsblock_t, xfs_extlen_t); -int xfs_trans_commit(xfs_trans_t *, uint flags); +int xfs_trans_commit(struct xfs_trans *); int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *); void xfs_trans_cancel(xfs_trans_t *); int xfs_trans_ail_init(struct xfs_mount *);