[PATCH 6.1 0/6] Backport of XFS umount hang fixes

[Siddh Raman Pant]

Backport of this series:
https://lore.kernel.org/all/20250625224957.1436116-1-david@xxxxxxxxxxxxx/

Along with appropriate pre-requisite commits.

Previous stable backport was used for doing this backport.

I have added information in commit message upon conflict resolutions.

Dave Chinner (6):
  xfs: xfs_ifree_cluster vs xfs_iflush_shutdown_abort deadlock
  xfs: catch stale AGF/AGF metadata
  xfs: avoid dquot buffer pin deadlock
  xfs: rearrange code in xfs_buf_item.c
  xfs: factor out stale buffer item completion
  xfs: fix unmount hang with unflushable inodes stuck in the AIL

 fs/xfs/libxfs/xfs_alloc.c  |  46 ++++--
 fs/xfs/libxfs/xfs_ialloc.c |  32 +++-
 fs/xfs/xfs_buf.c           |  55 -------
 fs/xfs/xfs_buf.h           |   1 -
 fs/xfs/xfs_buf_item.c      | 295 ++++++++++++++++++++++---------------
 fs/xfs/xfs_buf_item.h      |   3 +-
 fs/xfs/xfs_dquot.c         |   3 +-
 fs/xfs/xfs_icache.c        |   8 +
 fs/xfs/xfs_inode.c         |   2 +-
 fs/xfs/xfs_qm.c            |  76 +++-------
 fs/xfs/xfs_trace.h         |   1 -
 11 files changed, 273 insertions(+), 249 deletions(-)

-- 
2.53.0