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authorTrond Myklebust <trond.myklebust@primarydata.com>2017-08-01 15:39:46 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2017-08-15 11:54:47 -0400
commita6b6d5b85abf4914bbceade5dddd54c345c64136 (patch)
tree2cca0a777a06004ba9e8a212ce8cf8f470f7fc68 /fs/nfs/delegation.c
parentNFSv4: Use a mutex to protect the per-inode commit lists (diff)
downloadlinux-dev-a6b6d5b85abf4914bbceade5dddd54c345c64136.tar.xz
linux-dev-a6b6d5b85abf4914bbceade5dddd54c345c64136.zip
NFS: Use an atomic_long_t to count the number of requests
Rather than forcing us to take the inode->i_lock just in order to bump the number. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/delegation.c')
-rw-r--r--fs/nfs/delegation.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index d7df5e67b0c1..606dd3871f66 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -1089,7 +1089,7 @@ bool nfs4_delegation_flush_on_close(const struct inode *inode)
delegation = rcu_dereference(nfsi->delegation);
if (delegation == NULL || !(delegation->type & FMODE_WRITE))
goto out;
- if (nfsi->nrequests < delegation->pagemod_limit)
+ if (atomic_long_read(&nfsi->nrequests) < delegation->pagemod_limit)
ret = false;
out:
rcu_read_unlock();