LU-5417 lustre: fix comparison between signed and unsigned

[fs/lustre-release.git] / lustre / include / obd.h

diff --git a/lustre/include/obd.h b/lustre/include/obd.h
index 9e36e97..486340d 100644 (file)
--- a/lustre/include/obd.h
+++ b/lustre/include/obd.h
@@ -240,11 +240,11 @@ struct client_obd {
         struct sptlrpc_flavor    cl_flvr_mgc;   /* fixed flavor of mgc->mgs */
 
        /* the grant values are protected by loi_list_lock below */
-       long                     cl_dirty_pages;      /* all _dirty_ in pages */
-       long                     cl_dirty_max_pages;  /* allowed w/o rpc */
-       long                     cl_dirty_transit;    /* dirty synchronous */
-       long                     cl_avail_grant;   /* bytes of credit for ost */
-       long                     cl_lost_grant;    /* lost credits (trunc) */
+       unsigned long            cl_dirty_pages;      /* all _dirty_ in pages */
+       unsigned long            cl_dirty_max_pages;  /* allowed w/o rpc */
+       unsigned long            cl_dirty_transit;    /* dirty synchronous */
+       unsigned long            cl_avail_grant;   /* bytes of credit for ost */
+       unsigned long            cl_lost_grant;    /* lost credits (trunc) */
 
        /* since we allocate grant by blocks, we don't know how many grant will
         * be used to add a page into cache. As a solution, we reserve maximum
@@ -287,13 +287,13 @@ struct client_obd {
        struct list_head        cl_loi_hp_ready_list;
        struct list_head        cl_loi_write_list;
        struct list_head        cl_loi_read_list;
-       int                     cl_r_in_flight;
-       int                     cl_w_in_flight;
+       __u32                   cl_r_in_flight;
+       __u32                   cl_w_in_flight;
        /* just a sum of the loi/lop pending numbers to be exported by /proc */
        atomic_t                cl_pending_w_pages;
        atomic_t                cl_pending_r_pages;
        __u32                   cl_max_pages_per_rpc;
-       int                     cl_max_rpcs_in_flight;
+       __u32                   cl_max_rpcs_in_flight;
        struct obd_histogram    cl_read_rpc_hist;
        struct obd_histogram    cl_write_rpc_hist;
        struct obd_histogram    cl_read_page_hist;
@@ -1297,8 +1297,8 @@ static inline void client_adjust_max_dirty(struct client_obd *cli)
                cli->cl_dirty_max_pages = (OSC_MAX_DIRTY_DEFAULT * 1024 * 1024)
                                                        >> PAGE_CACHE_SHIFT;
        else {
-               long dirty_max = cli->cl_max_rpcs_in_flight *
-                                               cli->cl_max_pages_per_rpc;
+               unsigned long dirty_max = cli->cl_max_rpcs_in_flight *
+                                         cli->cl_max_pages_per_rpc;
 
                if (dirty_max > cli->cl_dirty_max_pages)
                        cli->cl_dirty_max_pages = dirty_max;