nfsd: Fix a soft lockup race in nfsd_file_mark_find_or_create()

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If nfsd_file_mark_find_or_create() keeps winning the race for the
nfsd_file_fsnotify_group->mark_mutex against nfsd_file_mark_put()
then it can soft lock up, since fsnotify_add_inode_mark() ends
up always finding an existing entry.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

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Trond Myklebust 2020-01-06 13:20:47 -05:00 • committed by J. Bruce Fields

parent b6669305d3

commit 90d2f1da83

1 changed files with 6 additions and 2 deletions

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8

fs/nfsd/filecache.c

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