4 #include <linux/malloc.h>
5 #include <linux/vmalloc.h>
10 #define MIN(a,b) (((a)<(b)) ? (a): (b))
11 #define MAX(a,b) (((a)>(b)) ? (a): (b))
16 /* global variables */
17 extern int obd_debug_level;
18 extern int obd_print_entry;
21 #define D_PSDEV 1 /* debug information from psdev.c */
26 #define D_WARNING 32 /* misc warnings */
27 #define D_EXT2 64 /* anything from ext2_debug */
28 #define D_MALLOC 128 /* print malloc, free information */
29 #define D_CACHE 256 /* cache-related items */
30 #define D_INFO 512 /* general information, especially from interface.c */
31 #define D_IOCTL 1024 /* ioctl related information */
32 #define D_BLOCKS 2048 /* ext2 block allocation */
33 #define D_RPC 4096 /* ext2 block allocation */
36 #define CDEBUG(mask, format, a...) \
38 if (obd_debug_level & mask) { \
39 printk("(%s,l. %d): ", __FUNCTION__, __LINE__); \
40 printk(format, ## a); } \
44 if (obd_print_entry) \
45 printk("Process %d entered %s\n", current->pid, __FUNCTION__)
48 if (obd_print_entry) \
49 printk("Process %d leaving %s [%d]\n", current->pid, __FUNCTION__, __LINE__)
51 #else /* EXT2_OBD_DEBUG */
57 #endif /* EXT2_OBD_DEBUG */
60 #define CMD(cmd) (( cmd == READ ) ? "read" : "write")
62 #define IDEBUG(inode) { \
63 printk("]]%s line %d[[ ino %ld, blocks %ld, size %Ld, atm %ld, ctim %ld, mtm %ld, mode %o, uid %d, gid %d\n", \
64 __FUNCTION__ , __LINE__, \
65 inode->i_ino, inode->i_blocks, inode->i_size,\
66 inode->i_atime, inode->i_ctime, inode->i_mtime,\
67 inode->i_mode, inode->i_uid, inode->i_gid);\
68 printk("blk: %d %d %d %d %d %d %d %d %d %d\n",\
69 inode->u.ext2_i.i_data[0], inode->u.ext2_i.i_data[1],\
70 inode->u.ext2_i.i_data[2], inode->u.ext2_i.i_data[3],\
71 inode->u.ext2_i.i_data[4], inode->u.ext2_i.i_data[5],\
72 inode->u.ext2_i.i_data[6], inode->u.ext2_i.i_data[7],\
73 inode->u.ext2_i.i_data[8], inode->u.ext2_i.i_data[9]);\
77 #define PDEBUG(page,cmd) {if (page){\
78 char *uptodate = (Page_Uptodate(page)) ? "yes" : "no";\
79 char *locked = (PageLocked(page)) ? "yes" : "no";\
80 int count = page->count.counter;\
81 long index = page->index;\
83 CDEBUG(D_IOCTL, " ** %s, cmd: %s, off %ld, uptodate: %s, "\
84 "locked: %s, cnt %d page %p pages %ld** \n", __FUNCTION__,\
85 cmd, index, uptodate, locked, count, page, (!page->mapping) ? -1 : page->mapping->nrpages);\
86 } else { CDEBUG(D_IOCTL, "** %s, no page\n", __FUNCTION__); }}
89 #define OBD_ALLOC(ptr, cast, size) \
92 ptr = (cast)kmalloc((unsigned long) size, GFP_KERNEL); \
93 CDEBUG(D_MALLOC, "kmalloced: %x at %x.\n", \
94 (int) size, (int) ptr); \
96 ptr = (cast)vmalloc((unsigned long) size); \
97 CDEBUG(D_MALLOC, "vmalloced: %x at %x.\n", \
98 (int) size, (int) ptr); \
101 printk("kernel malloc returns 0 at %s:%d\n", \
102 __FILE__, __LINE__); \
104 memset(ptr, 0, size); \
107 #define OBD_FREE(ptr,size) \
109 if (size <= 4096) { \
110 kfree_s((ptr), (size)); \
111 CDEBUG(D_MALLOC, "kfreed: %x at %x.\n", \
112 (int) size, (int) ptr); \
115 CDEBUG(D_MALLOC, "vfreed: %x at %x.\n", \
116 (int) size, (int) ptr); \
122 static inline void inode_to_iattr(struct inode *inode, struct iattr *tmp)
124 tmp->ia_mode = inode->i_mode;
125 tmp->ia_uid = inode->i_uid;
126 tmp->ia_gid = inode->i_gid;
127 tmp->ia_size = inode->i_size;
128 tmp->ia_atime = inode->i_atime;
129 tmp->ia_mtime = inode->i_mtime;
130 tmp->ia_ctime = inode->i_ctime;
131 /* tmp->ia_flags = inode->i_flags; */
137 #define OBD_MAGIC_INL 0x77777770
140 static inline void inode_cpy(struct inode *dest, struct inode *src)
142 dest->i_mode = src->i_mode;
143 dest->i_uid = src->i_uid;
144 dest->i_gid = src->i_gid;
145 dest->i_size = src->i_size;
146 dest->i_atime = src->i_atime;
147 dest->i_mtime = src->i_mtime;
148 dest->i_ctime = src->i_ctime;
149 dest->i_flags = src->i_flags;
150 /* allocation of space */
151 dest->i_blocks = src->i_blocks;
152 if ( !src->i_blocks ||
153 OBD_MAGIC_INL == (OBD_MAGIC_INL & src->u.ext2_i.i_data[0])) {
154 CDEBUG(D_IOCTL, "copying inline data: ino %ld\n", dest->i_ino);
155 memcpy(&dest->u.ext2_i.i_data, &src->u.ext2_i.i_data,
156 sizeof(src->u.ext2_i.i_data));