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land 0.5.20.3 b_devel onto HEAD (b_devel will remain)
[fs/lustre-release.git] / lustre / mds / lproc_mds.c
index 80db1c7..e4522fb 100644 (file)
  */
 #define DEBUG_SUBSYSTEM S_CLASS
 
+#include <linux/version.h>
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+#include <asm/statfs.h>
+#endif
 #include <linux/lustre_lite.h>
+#include <linux/lustre_fsfilt.h>
 #include <linux/lprocfs_status.h>
 
+#ifndef LPROCFS
+struct lprocfs_vars lprocfs_mds_obd_vars[]  = { {0} };
+struct lprocfs_vars lprocfs_mds_module_vars[] = { {0} };
+struct lprocfs_vars lprocfs_mdt_obd_vars[] = { {0} };
+struct lprocfs_vars lprocfs_mdt_module_vars[] = { {0} };
 
-int rd_uuid(char* page, char **start, off_t off,
-               int count, int *eof, void *data)
-{
-        struct obd_device* temp=(struct obd_device*)data;
-        int len=0;
-        len+=snprintf(page, count, "%s\n", temp->obd_uuid); 
-        return len;  
-}
-int rd_blksize(char* page, char **start, off_t off,
-               int count, int *eof, void *data)
-{
-        struct obd_device* temp=(struct obd_device*)data;
-        struct mds_obd *mds=&temp->u.mds;
-        struct statfs mystats;
-        int rc, len=0;
-        
-        rc = vfs_statfs(mds->mds_sb, &mystats);
-        if (rc) {
-                CERROR("mds: statfs failed: rc %d\n", rc);
-                return 0;
-        }
-        len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.f_bsize)); 
-        return len;
+#else
 
-}
-int rd_blktotal(char* page, char **start, off_t off,
-                int count, int *eof, void *data)
+static inline
+int lprocfs_mds_statfs(void *data, struct statfs *sfs)
 {
-       struct obd_device* temp=(struct obd_device*)data;
-        struct mds_obd *mds=&temp->u.mds;
-        struct statfs mystats;
-        int rc, len=0;
-        
-        rc = vfs_statfs(mds->mds_sb, &mystats);
-        if (rc) {
-                CERROR("mds: statfs failed: rc %d\n", rc);
-                return 0;
-        }
-        len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.f_blocks)); 
-        return len;  
-        
-}
+        struct obd_device* dev = (struct obd_device*) data;
+        struct mds_obd *mds;
 
-int rd_blkfree(char* page, char **start, off_t off,
-               int count, int *eof, void *data)
-{
-        struct obd_device* temp=(struct obd_device*)data;
-        struct mds_obd *mds=&temp->u.mds;
-        struct statfs mystats;
-        int rc, len=0;
-        
-        rc = vfs_statfs(mds->mds_sb, &mystats);
-        if (rc) {
-                CERROR("mds: statfs failed: rc %d\n", rc);
-                return 0;
-        }
-        len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.f_bfree)); 
-        return len;  
-        
+        LASSERT(dev != NULL);
+        mds = &dev->u.mds;
+        return vfs_statfs(mds->mds_sb, sfs);
 }
 
-int rd_kbfree(char* page, char **start, off_t off,
-              int count, int *eof, void *data)
+DEFINE_LPROCFS_STATFS_FCT(rd_blksize,     lprocfs_mds_statfs);
+DEFINE_LPROCFS_STATFS_FCT(rd_kbytestotal, lprocfs_mds_statfs);
+DEFINE_LPROCFS_STATFS_FCT(rd_kbytesfree,  lprocfs_mds_statfs);
+DEFINE_LPROCFS_STATFS_FCT(rd_filestotal,  lprocfs_mds_statfs);
+DEFINE_LPROCFS_STATFS_FCT(rd_filesfree,   lprocfs_mds_statfs);
+DEFINE_LPROCFS_STATFS_FCT(rd_filegroups,  lprocfs_mds_statfs);
+
+int rd_fstype(char *page, char **start, off_t off, int count, int *eof,
+              void *data)
 {
-        struct obd_device* temp=(struct obd_device*)data;
-        struct mds_obd *mds=&temp->u.mds;
-        struct statfs mystats;
-        int rc, blk_size, len=0;
-        
-        rc = vfs_statfs(mds->mds_sb, &mystats);
-        if (rc) {
-                CERROR("mds: statfs failed: rc %d\n", rc);
-                return 0;
-        }
-        blk_size=mystats.f_bsize;
-        len+=snprintf(page, count, LPU64"\n", 
-                      (__u64)((mystats.f_bfree)/(blk_size*1024))); 
-        return len;  
-       
-}
+        struct obd_device *obd = (struct obd_device *)data;
 
-int rd_fstype(char* page, char **start, off_t off,
-                  int count, int *eof, void *data)
-{               
-        struct obd_device* temp=(struct obd_device*)data;
-        struct mds_obd *mds=&temp->u.mds;
-        int len=0;
-        len+=snprintf(page, count, "%s\n", mds->mds_fstype); 
-        return len;  
+        LASSERT(obd != NULL);
+        LASSERT(obd->obd_fsops != NULL);
+        LASSERT(obd->obd_fsops->fs_type != NULL);
+        return snprintf(page, count, "%s\n", obd->obd_fsops->fs_type);
 }
 
-int rd_ffiles(char* page, char **start, off_t off,
-               int count, int *eof, void *data)
-{
-        struct obd_device* temp=(struct obd_device*)data;
-        struct mds_obd *mds=&temp->u.mds;
-        struct statfs mystats;
-        int rc, len=0;
-        
-        rc = vfs_statfs(mds->mds_sb, &mystats);
-        if (rc) {
-                CERROR("mds: statfs failed: rc %d\n", rc);
-                return 0;
-        }
-        
-        len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.f_files));
-        return len;  
 
-        
-}
+struct lprocfs_vars lprocfs_mds_obd_vars[] = {
+        { "uuid",       lprocfs_rd_uuid, 0, 0 },
+        { "blocksize",  rd_blksize,      0, 0 },
+        { "bytestotal", rd_kbytestotal,  0, 0 },
+        { "kbytesfree", rd_kbytesfree,   0, 0 },
+        { "fstype",     rd_fstype,       0, 0 },
+        { "filestotal", rd_filestotal,   0, 0 },
+        { "filesfree",  rd_filesfree,    0, 0 },
+        { "filegroups", rd_filegroups,   0, 0 },
+        { 0 }
+};
 
-int rd_inodesfree(char* page, char **start, off_t off,
-                 int count, int *eof, void *data)
-{
-        struct obd_device* temp=(struct obd_device*)data;
-        struct mds_obd *mds=&temp->u.mds;
-        struct statfs mystats;
-        int rc, len=0;
-        
-        rc = vfs_statfs(mds->mds_sb, &mystats);
-        if (rc) {
-                CERROR("mds: statfs failed: rc %d\n", rc);
-                return 0;
-        }
-        
-        len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.f_ffree));
-        return len; 
-}
+struct lprocfs_vars lprocfs_mds_module_vars[] = {
+        { "num_refs",   lprocfs_rd_numrefs, 0, 0 },
+        { 0 }
+};
 
-int rd_filesets(char* page, char **start, off_t off,
-                 int count, int *eof, void *data)
-{
-        return 0;
-}
-struct lprocfs_vars status_var_nm_1[]={
-        {"status/uuid", rd_uuid, 0},
-        {"status/f_blocksize",rd_blksize, 0},
-        {"status/f_blockstotal",rd_blktotal, 0},
-        {"status/f_blocksfree",rd_blkfree, 0},
-        {"status/f_kbytesfree", rd_kbfree, 0},
-        {"status/f_fstype", rd_fstype, 0},
-        {"status/f_files", rd_ffiles, 0},
-        {"status/f_inodesfree", rd_inodesfree, 0},
-        {"status/f_filesets", rd_filesets, 0},
-        {0}
+struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
+        { "uuid",       lprocfs_rd_uuid, 0, 0 },
+        { 0 }
 };
-int rd_numdevices(char* page, char **start, off_t off,
-                  int count, int *eof, void *data)
-{
-        struct obd_type* class=(struct obd_type*)data;
-        int len=0;
-        len+=snprintf(page, count, "%d\n", class->typ_refcnt);
-        return len;
-}
 
-struct lprocfs_vars status_class_var[]={
-        {"status/num_devices", rd_numdevices, 0},
-        {0}
+struct lprocfs_vars lprocfs_mdt_module_vars[] = {
+        { "num_refs",   lprocfs_rd_numrefs, 0, 0 },
+        { 0 }
 };
+
+#endif
+struct lprocfs_static_vars lprocfs_array_vars[] = { {lprocfs_mds_module_vars,
+                                                     lprocfs_mds_obd_vars},
+                                                    {lprocfs_mdt_module_vars,
+                                                     lprocfs_mdt_obd_vars}};
+
+LPROCFS_INIT_MULTI_VARS(lprocfs_array_vars,
+                        (sizeof(lprocfs_array_vars)/
+                         sizeof(struct lprocfs_static_vars)))