staging: lustre: llite: Change readdir BRW metrics

To simplify the code, change the metrics from bytes to pages.

Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Jinshan Xiong <jinshan.xiong@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5034
Reviewed-on: http://review.whamcloud.com/10275
Reviewed-by: wangdi <di.wang@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c
index 47fbcd2..924b5df 100644 (file)
--- a/drivers/staging/lustre/lustre/llite/dir.c
+++ b/drivers/staging/lustre/lustre/llite/dir.c
@@ -148,7 +148,7 @@ static int ll_dir_filler(void *_hash, struct page *page0)
        struct page **page_pool;
        struct page *page;
        struct lu_dirpage *dp;
-       int max_pages = ll_i2sbi(inode)->ll_md_brw_size >> PAGE_SHIFT;
+       int max_pages = ll_i2sbi(inode)->ll_md_brw_pages;
        int nrdpgs = 0; /* number of pages read actually */
        int npages;
        int i;

diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h
index 500b5ec..3d7fa9a 100644 (file)
--- a/drivers/staging/lustre/lustre/llite/llite_internal.h
+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
@@ -474,7 +474,7 @@ struct ll_sb_info {
        unsigned int          ll_namelen;
        struct file_operations   *ll_fop;
 
-       unsigned int          ll_md_brw_size; /* used by readdir */
+       unsigned int              ll_md_brw_pages; /* readdir pages per RPC */
 
        struct lu_site     *ll_site;
        struct cl_device         *ll_cl;

diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c
index 0a28925..ac59cd6 100644 (file)
--- a/drivers/staging/lustre/lustre/llite/llite_lib.c
+++ b/drivers/staging/lustre/lustre/llite/llite_lib.c
@@ -319,9 +319,9 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt,
                sbi->ll_flags |= LL_SBI_64BIT_HASH;
 
        if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE)
-               sbi->ll_md_brw_size = data->ocd_brw_size;
+               sbi->ll_md_brw_pages = data->ocd_brw_size >> PAGE_SHIFT;
        else
-               sbi->ll_md_brw_size = PAGE_SIZE;
+               sbi->ll_md_brw_pages = 1;
 
        if (data->ocd_connect_flags & OBD_CONNECT_LAYOUTLOCK)
                sbi->ll_flags |= LL_SBI_LAYOUT_LOCK;