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| author |   Jeff Layton <jlayton@primarydata.com> | 2015-01-16 15:05:57 -0500 |
|---|---|---|
| committer |   Jeff Layton <jeff.layton@primarydata.com> | 2015-01-16 16:08:49 -0500 |
| commit | 6109c85037e53443f29fd39c0de69f578a1cf285 (patch) | |
| tree | 56823d1615acbba20c858eed9d16cf443cd55872 /fs/nfs/nfs4state.c | |
| parent | locks: remove i_flock field from struct inode (diff) | |
| download | linux-dev-6109c85037e53443f29fd39c0de69f578a1cf285.tar.xz linux-dev-6109c85037e53443f29fd39c0de69f578a1cf285.zip | |
locks: add a dedicated spinlock to protect i_flctx lists
We can now add a dedicated spinlock without expanding struct inode.
Change to using that to protect the various i_flctx lists.
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/nfs/nfs4state.c')
| -rw-r--r-- | fs/nfs/nfs4state.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 6084c267f3a0..a3bb22ab68c5 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1376,12 +1376,12 @@ static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_ /* Guard against delegation returns and new lock/unlock calls */ down_write(&nfsi->rwsem); - spin_lock(&inode->i_lock); + spin_lock(&flctx->flc_lock); restart: list_for_each_entry(fl, list, fl_list) { if (nfs_file_open_context(fl->fl_file)->state != state) continue; - spin_unlock(&inode->i_lock); + spin_unlock(&flctx->flc_lock); status = ops->recover_lock(state, fl); switch (status) { case 0: @@ -1408,13 +1408,13 @@ restart: /* kill_proc(fl->fl_pid, SIGLOST, 1); */ status = 0; } - spin_lock(&inode->i_lock); + spin_lock(&flctx->flc_lock); } if (list == &flctx->flc_posix) { list = &flctx->flc_flock; goto restart; } - spin_unlock(&inode->i_lock); + spin_unlock(&flctx->flc_lock); out: up_write(&nfsi->rwsem); return status; |