gfs2: fix infinite loop in gfs2_ail1_flush on io error

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Before this patch, an IO error encountered in function gfs2_ail1_flush
would cause a deadlock: because of the io error (and its resulting
withdrawn state), buffers stopped being written to the journal.
Buffers would remain on the ail1 list, so gfs2_ail1_start_one would
return 1 to indicate dirty buffers were still on the ail1 list.
However, when function gfs2_ail1_flush got a non-zero return code,
it would goto restart to retry the writes, which meant it would never
finish, and thus the infinite loop.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

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Bob Peterson 2019-11-14 09:52:54 -05:00 • committed by Andreas Gruenbacher

parent eb43e660c0

commit f155f5e010

1 changed files with 2 additions and 1 deletions

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fs/gfs2/log.c

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