xfs: check for shutdown before going to sleep in xfs_select_zone

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Ensure the file system hasn't been shut down before waiting for a free
zone to become available, because that won't happen on a shut down
file system.  Without this processes can occasionally get stuck in
the allocator wait loop when racing with a file system shutdown.
This sporadically happens when running generic/388 or generic/475.

Fixes: 4e4d520755 ("xfs: add the zoned space allocator")
Reported-by: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hans Holmberg <hans.holmberg@wdc.com>
Tested-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Carlos Maiolino <cem@kernel.org>

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Christoph Hellwig 2025-06-05 08:16:27 +02:00 • committed by Carlos Maiolino

parent e04c78d86a

commit b0f77d301e

1 changed files with 1 additions and 1 deletions

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fs/xfs/xfs_zone_alloc.c

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