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4750a171c3
linux_dsm_epyc7002/fs/xfs
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Eric Sandeen 4750a171c3 xfs: preserve inode versioning across remounts 
The MS_I_VERSION mount flag is exposed via the VFS, as documented
in the mount manpages etc; see the iversion and noiversion mount
options in mount(8).

As a result, mount -o remount looks for this option in /proc/mounts
and will only send the I_VERSION flag back in during remount it it
is present.  Since it's not there, a remount will /remove/ the
I_VERSION flag at the vfs level, and iversion functionality is lost.

xfs v5 superblocks intend to always have i_version enabled; it is
set as a default at mount time, but is lost during remount for the
reasons above.

The generic fix would be to expose this documented option in
/proc/mounts, but since that was rejected, fix it up again in the
xfs remount path instead, so that at least xfs won't suffer from
this misbehavior.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-07-17 13:20:20 -07:00
..
libxfs xfs: get rid of unnecessary xfs_perag_{get,put} pairs 2020-07-14 08:47:33 -07:00
scrub xfs: rtbitmap scrubber should check inode size 2020-07-07 07:15:09 -07:00
Kconfig
kmem.c mm: remove the pgprot argument to __vmalloc 2020-06-02 10:59:11 -07:00
kmem.h xfs: more lockdep whackamole with kmem_alloc* 2020-05-27 08:49:28 -07:00
Makefile xfs: refactor log recovery item sorting into a generic dispatch structure 2020-05-08 08:49:58 -07:00
mrlock.h
xfs_acl.c
xfs_acl.h
xfs_aops.c New code for 5.8: 2020-06-02 19:21:40 -07:00
xfs_aops.h
xfs_attr_inactive.c xfs: cleanup xfs_idestroy_fork 2020-05-19 09:40:59 -07:00
xfs_attr_list.c xfs: move the fork format fields into struct xfs_ifork 2020-05-19 09:40:58 -07:00
xfs_bio_io.c
xfs_bmap_item.c xfs: hoist setting of XFS_LI_RECOVERED to caller 2020-05-08 08:50:01 -07:00
xfs_bmap_item.h xfs: refactor intent item RECOVERED flag into the log item 2020-05-08 08:50:01 -07:00
xfs_bmap_util.c xfs: preserve rmapbt swapext block reservation from freed blocks 2020-07-06 10:46:56 -07:00
xfs_bmap_util.h
xfs_buf_item_recover.c xfs: mark log recovery buffers for completion 2020-07-06 10:46:58 -07:00
xfs_buf_item.c xfs: remove duplicated include from xfs_buf_item.c 2020-07-14 08:47:33 -07:00
xfs_buf_item.h xfs: get rid of log item callbacks 2020-07-07 07:15:07 -07:00
xfs_buf.c xfs: call xfs_buf_iodone directly 2020-07-06 10:46:58 -07:00
xfs_buf.h xfs: call xfs_buf_iodone directly 2020-07-06 10:46:58 -07:00
xfs_dir2_readdir.c xfs: move the fork format fields into struct xfs_ifork 2020-05-19 09:40:58 -07:00
xfs_discard.c
xfs_discard.h
xfs_dquot_item_recover.c xfs: mark log recovery buffers for completion 2020-07-06 10:46:58 -07:00
xfs_dquot_item.c xfs: unwind log item error flagging 2020-07-07 07:15:07 -07:00
xfs_dquot_item.h
xfs_dquot.c xfs: move xfs_clear_li_failed out of xfs_ail_delete_one() 2020-07-07 07:15:07 -07:00
xfs_dquot.h xfs: pass xfs_dquot to xfs_qm_adjust_dqtimers 2020-05-27 08:49:26 -07:00
xfs_error.c xfs: random buffer write failure errortag 2020-05-07 08:27:48 -07:00
xfs_error.h
xfs_export.c
xfs_export.h
xfs_extent_busy.c
xfs_extent_busy.h
xfs_extfree_item.c xfs: hoist setting of XFS_LI_RECOVERED to caller 2020-05-08 08:50:01 -07:00
xfs_extfree_item.h xfs: refactor intent item RECOVERED flag into the log item 2020-05-08 08:50:01 -07:00
xfs_file.c xfs: add an inode item lock 2020-07-06 10:46:58 -07:00
xfs_filestream.c
xfs_filestream.h
xfs_fsmap.c
xfs_fsmap.h
xfs_fsops.c xfs: remove unused shutdown types 2020-05-07 08:27:48 -07:00
xfs_fsops.h
xfs_globals.c
xfs_health.c
xfs_icache.c xfs: attach inodes to the cluster buffer when dirtied 2020-07-07 07:15:08 -07:00
xfs_icache.h xfs: remove SYNC_WAIT and SYNC_TRYLOCK 2020-07-14 08:47:33 -07:00
xfs_icreate_item.c xfs: refactor log recovery icreate item dispatch for pass2 commit functions 2020-05-08 08:49:59 -07:00
xfs_icreate_item.h
xfs_inode_item_recover.c xfs: mark log recovery buffers for completion 2020-07-06 10:46:58 -07:00
xfs_inode_item.c xfs: factor xfs_iflush_done 2020-07-07 07:15:09 -07:00
xfs_inode_item.h xfs: make inode IO completion buffer centric 2020-07-06 10:46:59 -07:00
xfs_inode.c xfs: get rid of unnecessary xfs_perag_{get,put} pairs 2020-07-14 08:47:33 -07:00
xfs_inode.h xfs: rework xfs_iflush_cluster() dirty inode iteration 2020-07-07 07:15:09 -07:00
xfs_ioctl32.c
xfs_ioctl32.h
xfs_ioctl.c Third part of new DAX code for 5.8: 2020-06-11 10:48:12 -07:00
xfs_ioctl.h
xfs_iomap.c xfs: refactor xfs_iomap_prealloc_size 2020-05-27 08:49:28 -07:00
xfs_iomap.h
xfs_iops.c mmap locking API: convert mmap_sem comments 2020-06-09 09:39:14 -07:00
xfs_iops.h
xfs_itable.c xfs: move the fork format fields into struct xfs_ifork 2020-05-19 09:40:58 -07:00
xfs_itable.h
xfs_iwalk.c
xfs_iwalk.h
xfs_linux.h xfs: remove useless definitions in xfs_linux.h 2020-07-06 10:46:58 -07:00
xfs_log_cil.c xfs: fix use-after-free on CIL context on shutdown 2020-06-22 19:22:57 -07:00
xfs_log_priv.h xfs: fix use-after-free on CIL context on shutdown 2020-06-22 19:22:57 -07:00
xfs_log_recover.c xfs: mark log recovery buffers for completion 2020-07-06 10:46:58 -07:00
xfs_log.c
xfs_log.h
xfs_message.c xfs: refactor ratelimited buffer error messages into helper 2020-05-07 08:27:46 -07:00
xfs_message.h xfs: refactor ratelimited buffer error messages into helper 2020-05-07 08:27:46 -07:00
xfs_mount.c xfs: remove SYNC_WAIT from xfs_reclaim_inodes() 2020-07-07 07:15:08 -07:00
xfs_mount.h xfs: allow multiple reclaimers per AG 2020-07-07 07:15:07 -07:00
xfs_mru_cache.c
xfs_mru_cache.h
xfs_ondisk.h
xfs_pnfs.c xfs: define printk_once variants for xfs messages 2020-05-04 09:03:15 -07:00
xfs_pnfs.h
xfs_pwork.c
xfs_pwork.h
xfs_qm_bhv.c
xfs_qm_syscalls.c xfs: straighten out all the naming around incore inode tree walks 2020-05-27 08:49:27 -07:00
xfs_qm.c xfs: per-type quota timers and warn limits 2020-05-27 08:49:26 -07:00
xfs_qm.h xfs: per-type quota timers and warn limits 2020-05-27 08:49:26 -07:00
xfs_quota.h xfs: use direct calls for dquot IO completion 2020-07-06 10:46:59 -07:00
xfs_quotaops.c xfs: per-type quota timers and warn limits 2020-05-27 08:49:26 -07:00
xfs_refcount_item.c xfs: hoist setting of XFS_LI_RECOVERED to caller 2020-05-08 08:50:01 -07:00
xfs_refcount_item.h xfs: refactor intent item RECOVERED flag into the log item 2020-05-08 08:50:01 -07:00
xfs_reflink.c xfs: move helpers that lock and unlock two inodes against userspace IO 2020-07-06 10:46:57 -07:00
xfs_reflink.h xfs: move helpers that lock and unlock two inodes against userspace IO 2020-07-06 10:46:57 -07:00
xfs_rmap_item.c xfs: hoist setting of XFS_LI_RECOVERED to caller 2020-05-08 08:50:01 -07:00
xfs_rmap_item.h xfs: refactor intent item RECOVERED flag into the log item 2020-05-08 08:50:01 -07:00
xfs_rtalloc.c
xfs_rtalloc.h
xfs_stats.c
xfs_stats.h
xfs_super.c xfs: preserve inode versioning across remounts 2020-07-17 13:20:20 -07:00
xfs_super.h
xfs_symlink.c xfs: move the fork format fields into struct xfs_ifork 2020-05-19 09:40:58 -07:00
xfs_symlink.h
xfs_sysctl.c
xfs_sysctl.h
xfs_sysfs.c
xfs_sysfs.h
xfs_trace.c
xfs_trace.h xfs: redesign the reflink remap loop to fix blkres depletion crash 2020-07-06 10:46:57 -07:00
xfs_trans_ail.c xfs: pin inode backing buffer to the inode log item 2020-07-07 07:15:07 -07:00
xfs_trans_buf.c xfs: clean up the buffer iodone callback functions 2020-07-07 07:15:07 -07:00
xfs_trans_dquot.c xfs: per-type quota timers and warn limits 2020-05-27 08:49:26 -07:00
xfs_trans_priv.h xfs: refactor adding recovered intent items to the log 2020-05-08 08:50:00 -07:00
xfs_trans.c xfs: preserve rmapbt swapext block reservation from freed blocks 2020-07-06 10:46:56 -07:00
xfs_trans.h xfs: unwind log item error flagging 2020-07-07 07:15:07 -07:00
xfs_xattr.c xfs: remove duplicate headers 2020-05-08 08:51:34 -07:00
xfs.h