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authorJeff Layton <jlayton@primarydata.com>2015-01-16 15:05:57 -0500
committerJeff Layton <jeff.layton@primarydata.com>2015-01-16 16:08:49 -0500
commit6109c85037e53443f29fd39c0de69f578a1cf285 (patch)
tree56823d1615acbba20c858eed9d16cf443cd55872 /fs/nfsd
parenta7231a97467d5a0c36f82f581c76c12c034e4b80 (diff)
downloadop-kernel-dev-6109c85037e53443f29fd39c0de69f578a1cf285.zip
op-kernel-dev-6109c85037e53443f29fd39c0de69f578a1cf285.tar.gz
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/nfsd')
-rw-r--r--fs/nfsd/nfs4state.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index fad8219..80242f5 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -5572,14 +5572,14 @@ check_for_locks(struct nfs4_file *fp, struct nfs4_lockowner *lowner)
flctx = inode->i_flctx;
if (flctx && !list_empty_careful(&flctx->flc_posix)) {
- spin_lock(&inode->i_lock);
+ spin_lock(&flctx->flc_lock);
list_for_each_entry(fl, &flctx->flc_posix, fl_list) {
if (fl->fl_owner == (fl_owner_t)lowner) {
status = true;
break;
}
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&flctx->flc_lock);
}
fput(filp);
return status;
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