NFSD: WARN when freeing an item still linked via nf_lru

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Add a guardrail to prevent freeing memory that is still on a list.
This includes either a dispose list or the LRU list.

This is the sign of a bug, but this class of bugs can be detected
so that they don't endanger system stability, especially while
debugging.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

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This commit is contained in:

Chuck Lever 2022-07-08 14:25:04 -04:00

parent 2e6c6e4c43

commit 668ed92e65

1 changed files with 10 additions and 2 deletions

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fs/nfsd/filecache.c

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