NFS: Fix up nfs_ctx_key_to_expire()

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If the cached credential exists but doesn't have any expiration callback
then exit early.
Fix up atomicity issues when replacing the credential with a new one
since the existing code could lead to refcount leaks.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

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This commit is contained in:

Trond Myklebust 2021-07-10 18:07:14 -04:00

parent 9019fb391d

commit ca05cbae2a

3 changed files with 31 additions and 16 deletions

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4

fs/nfs/inode.c

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41

fs/nfs/write.c

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2

include/linux/nfs_fs.h

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