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authorNicolas Iooss <nicolas.iooss_linux@m4x.org>2015-04-16 13:48:39 +0300
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-04-23 22:16:15 +0300
commit3708f842e107b9b79d54a75d152e666b693649e8 (patch)
treeda21160011ca88efc8d1a549713a33bcd4e14a36 /fs
parent7b320382d0d861e46f55087b50d252410b1f402f (diff)
downloadlinux-3708f842e107b9b79d54a75d152e666b693649e8.tar.xz
Revert "nfs: replace nfs_add_stats with nfs_inc_stats when add one"
This reverts commit 5a254d08b086d80cbead2ebcee6d2a4b3a15587a. Since commit 5a254d08b086 ("nfs: replace nfs_add_stats with nfs_inc_stats when add one"), nfs_readpage and nfs_do_writepage use nfs_inc_stats to increment NFSIOS_READPAGES and NFSIOS_WRITEPAGES instead of nfs_add_stats. However nfs_inc_stats does not do the same thing as nfs_add_stats with value 1 because these functions work on distinct stats: nfs_inc_stats increments stats from "enum nfs_stat_eventcounters" (in server->io_stats->events) and nfs_add_stats those from "enum nfs_stat_bytecounters" (in server->io_stats->bytes). Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org> Fixes: 5a254d08b086 ("nfs: replace nfs_add_stats with nfs_inc_stats...") Cc: stable@vger.kernel.org # 3.19+ Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/read.c2
-rw-r--r--fs/nfs/write.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 568ecf0a880f..848d8b1db4ce 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -284,7 +284,7 @@ int nfs_readpage(struct file *file, struct page *page)
dprintk("NFS: nfs_readpage (%p %ld@%lu)\n",
page, PAGE_CACHE_SIZE, page_file_index(page));
nfs_inc_stats(inode, NFSIOS_VFSREADPAGE);
- nfs_inc_stats(inode, NFSIOS_READPAGES);
+ nfs_add_stats(inode, NFSIOS_READPAGES, 1);
/*
* Try to flush any pending writes to the file..
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 7f933a39f385..36d0c0a6e68a 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -580,7 +580,7 @@ static int nfs_do_writepage(struct page *page, struct writeback_control *wbc, st
int ret;
nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGE);
- nfs_inc_stats(inode, NFSIOS_WRITEPAGES);
+ nfs_add_stats(inode, NFSIOS_WRITEPAGES, 1);
nfs_pageio_cond_complete(pgio, page_file_index(page));
ret = nfs_page_async_flush(pgio, page, wbc->sync_mode == WB_SYNC_NONE);