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linux/fs/nfs/pnfs.c
Trond Myklebust 4c4d4bec6c pNFS: Fix race in pnfs_wait_on_layoutreturn 
commit ee284e35d8 upstream.

We must put the task to sleep while holding the inode->i_lock in order
to ensure atomicity with the test for NFS_LAYOUT_RETURN.

Fixes: 500d701f33 ("NFS41: make close wait for layoutreturn")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-01-19 20:18:05 +01:00

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