-
#ifndef _OBD_SUPPORT
#define _OBD_SUPPORT
+#include <linux/autoconf.h>
#include <linux/malloc.h>
#include <linux/vmalloc.h>
-#define EXT2_OBD_DEBUG
-
-
#define MIN(a,b) (((a)<(b)) ? (a): (b))
#define MAX(a,b) (((a)>(b)) ? (a): (b))
+#define obd_unlock_page(page) do { if (PageLocked(page)) { \
+ UnlockPage(page);\
+ } else {\
+ printk("file %s, line %d: expecting locked page\n",\
+ __FILE__, __LINE__); \
+ } \
+} while(0)
+
/*
* Debug code
*/
/* global variables */
extern int obd_debug_level;
extern int obd_print_entry;
+extern int obd_inodes;
+extern int obd_pages;
+extern long obd_memory;
+
+#define EXT2_OBD_DEBUG
+
+#ifdef EXT2_OBD_DEBUG
+#define CMD(cmd) (( cmd == READ ) ? "read" : "write")
/* debugging masks */
-#define D_PSDEV 1 /* debug information from psdev.c */
-#define D_INODE 2
-#define D_SUPER 4
-#define D_SNAP 8
-#define D_UNUSED4 16
-#define D_WARNING 32 /* misc warnings */
-#define D_EXT2 64 /* anything from ext2_debug */
-#define D_MALLOC 128 /* print malloc, free information */
-#define D_CACHE 256 /* cache-related items */
-#define D_INFO 512 /* general information, especially from interface.c */
-#define D_IOCTL 1024 /* ioctl related information */
-#define D_BLOCKS 2048 /* ext2 block allocation */
-#define D_RPC 4096 /* ext2 block allocation */
+#define D_PSDEV 0x001 /* debug information from psdev.c */
+#define D_INODE 0x002
+#define D_SUPER 0x004
+#define D_SNAP 0x008
+#define D_UNUSED4 0x010
+#define D_WARNING 0x020 /* misc warnings */
+#define D_EXT2 0x040 /* anything from ext2_debug */
+#define D_MALLOC 0x080 /* print malloc, free information */
+#define D_CACHE 0x100 /* cache-related items */
+#define D_INFO 0x200 /* general information, especially from interface.c */
+#define D_IOCTL 0x400 /* ioctl related information */
+#define D_BLOCKS 0x800 /* ext2 block allocation */
+#define D_NET 0x1000 /* network communications */
+#define D_PUNCH 0x2000
+#define D_BUFFS 0x4000 /* print network buffers */
-#ifdef EXT2_OBD_DEBUG
-#define CDEBUG(mask, format, a...) \
- do { \
- if (obd_debug_level & mask) { \
- printk("(%s,l. %d): ", __FUNCTION__, __LINE__); \
- printk(format, ## a); } \
- } while (0)
+#define CDEBUG(mask, format, a...) \
+ do { \
+ if (obd_debug_level & mask) { \
+ printk("(%s:%d):", __FUNCTION__, __LINE__); \
+ printk(format, ## a); } \
+ } while (0)
+
+#define ENTRY if (obd_print_entry) \
+ printk(KERN_INFO "Process %d entered %s\n", current->pid, __FUNCTION__)
+
+#define EXIT if (obd_print_entry) \
+ printk(KERN_INFO "Process %d leaving %s [%d]\n", current->pid, \
+ __FUNCTION__, __LINE__)
+
+/* Inode common information printed out (used by obdfs and ext2obd inodes) */
+#define ICDEBUG(inode) { \
+ CDEBUG(D_INFO, \
+ "ino %ld, atm %ld, mtm %ld, ctm %ld, size %Ld, blocks %ld\n",\
+ inode->i_ino, inode->i_atime, inode->i_mtime, inode->i_ctime,\
+ inode->i_size, inode->i_blocks); \
+ CDEBUG(D_INFO, "mode %o, uid %d, gid %d, nlnk %d, count %d\n", \
+ inode->i_mode, inode->i_uid, inode->i_gid, inode->i_nlink,\
+ atomic_read(&inode->i_count)); \
+}
-#define ENTRY \
- if (obd_print_entry) \
- printk("Process %d entered %s\n", current->pid, __FUNCTION__)
+/* Ext2 inode information */
+#define EXDEBUG(inode) { \
+ ICDEBUG(inode); \
+ CDEBUG(D_INFO, "ext2 blocks: %d %d %d %d %d %d %d %d\n", \
+ inode->u.ext2_i.i_data[0], inode->u.ext2_i.i_data[1], \
+ inode->u.ext2_i.i_data[2], inode->u.ext2_i.i_data[3], \
+ inode->u.ext2_i.i_data[4], inode->u.ext2_i.i_data[5], \
+ inode->u.ext2_i.i_data[6], inode->u.ext2_i.i_data[7]); \
+}
-#define EXIT \
- if (obd_print_entry) \
- printk("Process %d leaving %s [%d]\n", current->pid, __FUNCTION__, __LINE__)
+/* OBDFS inode information */
+#define OIDEBUG(inode) { \
+ ICDEBUG(inode); \
+ CDEBUG(D_INFO,"oinfo: flags 0x%08x\n", obdfs_i2info(inode)->oi_flags);\
+ /* obdfs_print_plist(inode); */ \
+}
-#else /* EXT2_OBD_DEBUG */
+#define ODEBUG(obdo) { \
+ CDEBUG(D_INFO, "id %ld, atm %ld, mtm %ld, ctm %ld, " \
+ "size %ld, blocks %ld\n", \
+ (long)(obdo)->o_id, (long)(obdo)->o_atime, \
+ (long)(obdo)->o_mtime, (long)(obdo)->o_ctime, \
+ (long)(obdo)->o_size, (long)(obdo)->o_blocks); \
+ CDEBUG(D_INFO, " mode %o, uid %d, gid %d, flg 0x%0x, " \
+ "obdflg 0x%0x, nlnk %d, valid 0x%0x\n", \
+ (obdo)->o_mode, (obdo)->o_uid, (obdo)->o_gid, (obdo)->o_flags,\
+ (obdo)->o_obdflags, (obdo)->o_nlink, (obdo)->o_valid); \
+}
-# define CDEBUG ;
-# define ENTRY ;
-# define EXIT ;
-#endif /* EXT2_OBD_DEBUG */
+#define PDEBUG(page,msg) { \
+ if (page){ \
+ char *uptodate = (Page_Uptodate(page)) ? "upto" : "outof";\
+ char *locked = (PageLocked(page)) ? "" : "un"; \
+ char *buffer = page->buffers ? "buffer" : ""; \
+ int count = page_count(page); \
+ long index = page->index; \
+ CDEBUG(D_CACHE, "%s: ** off %ld, %sdate, %slocked, flag %ld,"\
+ " cnt %d page 0x%p pages %ld virt %lx %s**\n", \
+ msg, index, uptodate, locked, page->flags, count,\
+ page, page->mapping ? page->mapping->nrpages : -1,\
+ page->virtual, buffer); \
+ } else \
+ CDEBUG(D_CACHE, "** %s: no page\n", msg); \
+}
+#if 0
+#define iget(sb, ino) obd_iget(sb, ino)
+#define iput(sb, ino) obd_iput(sb, ino)
-#define CMD(cmd) (( cmd == READ ) ? "read" : "write")
+static inline struct inode *obd_iget(struct super_block *sb, unsigned long ino)
+{
+ struct inode *inode;
+
+ if ((inode = iget(sb, ino)) == NULL)
+ CDEBUG(D_INODE, "NULL in iget for %ld\n", ino);
+ else
+ obd_inodes++;
+ return inode;
+}
-#define IDEBUG(inode) { \
- if ( !list_empty(&inode->i_data.pages) || inode->i_data.nrpages ) {\
- struct page * page;\
- printk("XXXXX: func %s line %d ino %ld list not empty, pages %ld\n", __FUNCTION__ , __LINE__,\
- inode->i_ino, inode->i_data.nrpages);\
- page = list_entry(inode->i_data.pages.next, struct page , list);\
- PDEBUG(page, "READ INODE");\
- }}
-
-
-#define PDEBUG(page,cmd) {if (page){\
- char *uptodate = (Page_Uptodate(page)) ? "yes" : "no";\
- char *locked = (PageLocked(page)) ? "yes" : "no";\
- int count = page->count.counter;\
- long index = page->index;\
- \
- CDEBUG(D_IOCTL, " ** %s, cmd: %s, off %ld, uptodate: %s, "\
- "locked: %s, cnt %d page %p pages %ld** \n", __FUNCTION__,\
- cmd, index, uptodate, locked, count, page, (!page->mapping) ? -1 : page->mapping->nrpages);\
- } else { CDEBUG(D_IOCTL, "** %s, no page\n", __FUNCTION__); }}
-
-
-#define OBD_ALLOC(ptr, cast, size) \
-do { \
- if (size <= 4096) { \
- ptr = (cast)kmalloc((unsigned long) size, GFP_KERNEL); \
- CDEBUG(D_MALLOC, "kmalloced: %x at %x.\n", \
- (int) size, (int) ptr); \
- } else { \
- ptr = (cast)vmalloc((unsigned long) size); \
- CDEBUG(D_MALLOC, "vmalloced: %x at %x.\n", \
- (int) size, (int) ptr); \
- } \
- if (ptr == 0) { \
- printk("kernel malloc returns 0 at %s:%d\n", \
- __FILE__, __LINE__); \
- } \
- memset(ptr, 0, size); \
-} while (0)
+static inline void obd_iput(struct inode *inode)
+{
+ if (inode == NULL)
+ CDEBUG(D_INODE, "NULL in iput\n");
+ else
+ obd_inodes--;
+}
+#endif
-#define OBD_FREE(ptr,size) \
-do { \
- if (size <= 4096) { \
- kfree_s((ptr), (size)); \
- CDEBUG(D_MALLOC, "kfreed: %x at %x.\n", \
- (int) size, (int) ptr); \
- } else { \
- vfree((ptr)); \
- CDEBUG(D_MALLOC, "vfreed: %x at %x.\n", \
- (int) size, (int) ptr); \
- } \
-} while (0)
+#else /* EXT2_OBD_DEBUG */
+
+#define CDEBUG(mask, format, a...) {}
+#define ENTRY {}
+#define EXIT {}
+#define ODEBUG(obdo) {}
+#define EXDEBUG(inode) {}
+#define OIDEBUG(inode) {}
+#define PDEBUG(page, cmd) {}
+#endif /* EXT2_OBD_DEBUG */
-static inline void inode_to_iattr(struct inode *inode, struct iattr *tmp)
-{
- tmp->ia_mode = inode->i_mode;
- tmp->ia_uid = inode->i_uid;
- tmp->ia_gid = inode->i_gid;
- tmp->ia_size = inode->i_size;
- tmp->ia_atime = inode->i_atime;
- tmp->ia_mtime = inode->i_mtime;
- tmp->ia_ctime = inode->i_ctime;
- /* tmp->ia_flags = inode->i_flags; */
-
- tmp->ia_valid = ~0;
-}
-static inline void inode_cpy(struct inode *dest, struct inode *src)
-{
- dest->i_mode = src->i_mode;
- dest->i_uid = src->i_uid;
- dest->i_gid = src->i_gid;
- dest->i_size = src->i_size;
- dest->i_atime = src->i_atime;
- dest->i_mtime = src->i_mtime;
- dest->i_ctime = src->i_ctime;
- dest->i_flags = src->i_flags;
- /* allocation of space */
- dest->i_blocks = src->i_blocks;
- if ( !dest->i_blocks) {
- CDEBUG(D_IOCTL, "copying inline data: ino %ld\n", dest->i_ino);
- memcpy(&dest->u.ext2_i.i_data, &src->u.ext2_i.i_data,
- sizeof(src->u.ext2_i.i_data));
- }
-}
+#define OBD_ALLOC(ptr, cast, size) \
+do { \
+ if (size <= 4096) { \
+ ptr = (cast)kmalloc((unsigned long) size, GFP_KERNEL); \
+ CDEBUG(D_MALLOC, "kmalloced: %d at %x.\n", \
+ (int) size, (int) ptr); \
+ } else { \
+ ptr = (cast)vmalloc((unsigned long) size); \
+ CDEBUG(D_MALLOC, "vmalloced: %d at %x.\n", \
+ (int) size, (int) ptr); \
+ } \
+ if (ptr == 0) { \
+ printk("kernel malloc returns 0 at %s:%d\n", \
+ __FILE__, __LINE__); \
+ } else { \
+ memset(ptr, 0, size); \
+ obd_memory += size; \
+ } \
+} while (0)
+
+#define OBD_FREE(ptr,size) \
+do { \
+ if (size <= 4096) { \
+ kfree((ptr)); \
+ CDEBUG(D_MALLOC, "kfreed: %d at %x.\n", \
+ (int) size, (int) ptr); \
+ } else { \
+ vfree((ptr)); \
+ CDEBUG(D_MALLOC, "vfreed: %d at %x.\n", \
+ (int) size, (int) ptr); \
+ } \
+ obd_memory -= size; \
+} while (0)
#endif
+