nfs: have ff_layout_get_ds_cred take a reference to the cred

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In later patches, we're going to want to allow the creds to be updated
when we get a new layout with updated creds. Have this function take
a reference to the cred that is later put once the call has been
dispatched.

Also, prepare for this change by ensuring we follow RCU rules when
getting a reference to the cred as well.

Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

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Jeff Layton 2016-04-21 20:51:58 -04:00 • committed by Anna Schumaker

parent 547a637630

commit 57f3f4c0cd

2 changed files with 35 additions and 10 deletions

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15

fs/nfs/flexfilelayout/flexfilelayout.c

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30

fs/nfs/flexfilelayout/flexfilelayoutdev.c

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