| commit | 65b62a29f719e937b5be1df472287f4c61e53ac6 | |
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | |
| Thu, 7 Feb 2013 15:54:07 +0000 (7 10:54 -0500) | ||
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | |
| Mon, 11 Feb 2013 20:33:13 +0000 (11 15:33 -0500) | ||
| tree | ea6b552a08883d92cfedb891044fa9697cbc5619 | treesnapshot (tar.gz zip) |
| parent | 37380e4264dbda9753e470a30d4322097aab7152 | commitdiff |
NFSv4: Ensure delegation recall and byte range lock removal don't conflict
Add a mutex to the struct nfs4_state_owner to ensure that delegation
recall doesn't conflict with byte range lock removal.
Note that we nest the new mutex _outside_ the state manager reclaim
protection (nfsi->rwsem) in order to avoid deadlocks.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Add a mutex to the struct nfs4_state_owner to ensure that delegation
recall doesn't conflict with byte range lock removal.
Note that we nest the new mutex _outside_ the state manager reclaim
protection (nfsi->rwsem) in order to avoid deadlocks.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| fs/nfs/delegation.c | diffblobblamehistory | |
| fs/nfs/nfs4_fs.h | diffblobblamehistory | |
| fs/nfs/nfs4proc.c | diffblobblamehistory | |
| fs/nfs/nfs4state.c | diffblobblamehistory |