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authorTrond Myklebust <trond.myklebust@primarydata.com>2017-08-01 22:39:46 +0300
committerTrond Myklebust <trond.myklebust@primarydata.com>2017-08-15 18:54:47 +0300
commita6b6d5b85abf4914bbceade5dddd54c345c64136 (patch)
tree2cca0a777a06004ba9e8a212ce8cf8f470f7fc68 /fs/nfs/pagelist.c
parente824f99adaaf1ed0e03eac8574599af6d992163d (diff)
downloadlinux-a6b6d5b85abf4914bbceade5dddd54c345c64136.tar.xz
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/pagelist.c')
-rw-r--r--fs/nfs/pagelist.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index af6731dd4324..ec97c301899b 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -258,9 +258,7 @@ nfs_page_group_init(struct nfs_page *req, struct nfs_page *prev)
inode = page_file_mapping(req->wb_page)->host;
set_bit(PG_INODE_REF, &req->wb_flags);
kref_get(&req->wb_kref);
- spin_lock(&inode->i_lock);
- NFS_I(inode)->nrequests++;
- spin_unlock(&inode->i_lock);
+ atomic_long_inc(&NFS_I(inode)->nrequests);
}
}
}