nfs: define nfs_inc_fscache_stats and using it as possible
Define and use nfs_inc_fscache_stats when plus one, which can save to
pass one parameter.
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c
index 3ef01f0..d63bea8 100644
--- a/fs/nfs/fscache.c
+++ b/fs/nfs/fscache.c
@@ -269,8 +269,8 @@
if (!fscache_maybe_release_page(cookie, page, gfp))
return 0;
- nfs_add_fscache_stats(page->mapping->host,
- NFSIOS_FSCACHE_PAGES_UNCACHED, 1);
+ nfs_inc_fscache_stats(page->mapping->host,
+ NFSIOS_FSCACHE_PAGES_UNCACHED);
}
return 1;
@@ -293,8 +293,8 @@
BUG_ON(!PageLocked(page));
fscache_uncache_page(cookie, page);
- nfs_add_fscache_stats(page->mapping->host,
- NFSIOS_FSCACHE_PAGES_UNCACHED, 1);
+ nfs_inc_fscache_stats(page->mapping->host,
+ NFSIOS_FSCACHE_PAGES_UNCACHED);
}
/*
@@ -343,19 +343,19 @@
case 0: /* read BIO submitted (page in fscache) */
dfprintk(FSCACHE,
"NFS: readpage_from_fscache: BIO submitted\n");
- nfs_add_fscache_stats(inode, NFSIOS_FSCACHE_PAGES_READ_OK, 1);
+ nfs_inc_fscache_stats(inode, NFSIOS_FSCACHE_PAGES_READ_OK);
return ret;
case -ENOBUFS: /* inode not in cache */
case -ENODATA: /* page not in cache */
- nfs_add_fscache_stats(inode, NFSIOS_FSCACHE_PAGES_READ_FAIL, 1);
+ nfs_inc_fscache_stats(inode, NFSIOS_FSCACHE_PAGES_READ_FAIL);
dfprintk(FSCACHE,
"NFS: readpage_from_fscache %d\n", ret);
return 1;
default:
dfprintk(FSCACHE, "NFS: readpage_from_fscache %d\n", ret);
- nfs_add_fscache_stats(inode, NFSIOS_FSCACHE_PAGES_READ_FAIL, 1);
+ nfs_inc_fscache_stats(inode, NFSIOS_FSCACHE_PAGES_READ_FAIL);
}
return ret;
}
@@ -429,11 +429,11 @@
if (ret != 0) {
fscache_uncache_page(nfs_i_fscache(inode), page);
- nfs_add_fscache_stats(inode,
- NFSIOS_FSCACHE_PAGES_WRITTEN_FAIL, 1);
- nfs_add_fscache_stats(inode, NFSIOS_FSCACHE_PAGES_UNCACHED, 1);
+ nfs_inc_fscache_stats(inode,
+ NFSIOS_FSCACHE_PAGES_WRITTEN_FAIL);
+ nfs_inc_fscache_stats(inode, NFSIOS_FSCACHE_PAGES_UNCACHED);
} else {
- nfs_add_fscache_stats(inode,
- NFSIOS_FSCACHE_PAGES_WRITTEN_OK, 1);
+ nfs_inc_fscache_stats(inode,
+ NFSIOS_FSCACHE_PAGES_WRITTEN_OK);
}
}
diff --git a/fs/nfs/iostat.h b/fs/nfs/iostat.h
index c583248..0cb806f 100644
--- a/fs/nfs/iostat.h
+++ b/fs/nfs/iostat.h
@@ -55,6 +55,11 @@
{
this_cpu_add(NFS_SERVER(inode)->io_stats->fscache[stat], addend);
}
+static inline void nfs_inc_fscache_stats(struct inode *inode,
+ enum nfs_stat_fscachecounters stat)
+{
+ this_cpu_inc(NFS_SERVER(inode)->io_stats->fscache[stat]);
+}
#endif
static inline struct nfs_iostats __percpu *nfs_alloc_iostats(void)