net/shfs/patches/104-shfs_0.35_inode_and_fs.patch

   1 Index: shfs-0.35/shfs/Linux-2.6/fcache.c
   2 ===================================================================
   3 --- shfs-0.35.orig/shfs/Linux-2.6/fcache.c      2007-06-04 13:22:57.997038392 +0200
   4 +++ shfs-0.35/shfs/Linux-2.6/fcache.c   2007-06-04 13:22:59.019882896 +0200
   5 @@ -100,7 +100,11 @@
   6                 VERBOSE("dir in file cache?\n");
   7                 return -EINVAL;
   8         }
   9 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
  10 +       p = (struct shfs_inode_info *)inode->i_private;
  11 +#else
  12         p = (struct shfs_inode_info *)inode->u.generic_ip;
  13 +#endif
  14         if (!p) {
  15                 VERBOSE("inode without info\n");
  16                 return -EINVAL;
  17 @@ -127,7 +131,11 @@
  18                 VERBOSE("dir in file cache?\n");
  19                 return -EINVAL;
  20         }
  21 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
  22 +       p = (struct shfs_inode_info *)inode->i_private;
  23 +#else
  24         p = (struct shfs_inode_info *)inode->u.generic_ip;
  25 +#endif
  26         if (!p) {
  27                 VERBOSE("inode without info\n");
  28                 return -EINVAL;
  29 @@ -160,7 +168,11 @@
  30         if (result == 0) {
  31                 struct shfs_inode_info *p;
  32
  33 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
  34 +               p = (struct shfs_inode_info *)f->f_dentry->d_inode->i_private;
  35 +#else
  36                 p = (struct shfs_inode_info *)f->f_dentry->d_inode->u.generic_ip;
  37 +#endif
  38                 if (!p) {
  39                         VERBOSE("inode without info\n");
  40                         return -EINVAL;
  41 @@ -184,7 +196,11 @@
  42                 return -EINVAL;
  43         }
  44         DEBUG("ino: %lu\n", inode->i_ino);
  45 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
  46 +       p = (struct shfs_inode_info *)inode->i_private;
  47 +#else
  48         p = (struct shfs_inode_info *)inode->u.generic_ip;
  49 +#endif
  50         if (!p) {
  51                 VERBOSE("inode without info\n");
  52                 return -EINVAL;
  53 @@ -226,7 +242,11 @@
  54                 VERBOSE("dir in file cache?\n");
  55                 return -EINVAL;
  56         }
  57 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
  58 +       p = (struct shfs_inode_info *)inode->i_private;
  59 +#else
  60         p = (struct shfs_inode_info *)inode->u.generic_ip;
  61 +#endif
  62         if (!p) {
  63                 VERBOSE("inode without info\n");
  64                 return -EINVAL;
  65 @@ -327,7 +347,11 @@
  66                 VERBOSE("dir in file cache?\n");
  67                 return -EINVAL;
  68         }
  69 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
  70 +       p = (struct shfs_inode_info *)inode->i_private;
  71 +#else
  72         p = (struct shfs_inode_info *)inode->u.generic_ip;
  73 +#endif
  74         if (!p) {
  75                 VERBOSE("inode without info\n");
  76                 return -EINVAL;
  77 Index: shfs-0.35/shfs/Linux-2.6/inode.c
  78 ===================================================================
  79 --- shfs-0.35.orig/shfs/Linux-2.6/inode.c       2007-06-04 13:22:58.637940960 +0200
  80 +++ shfs-0.35/shfs/Linux-2.6/inode.c    2007-06-04 13:22:59.020882744 +0200
  81 @@ -36,7 +36,11 @@
  82  shfs_set_inode_attr(struct inode *inode, struct shfs_fattr *fattr)
  83  {
  84         struct shfs_sb_info *info = info_from_inode(inode);
  85 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
  86 +       struct shfs_inode_info *i = inode->i_private;
  87 +#else
  88         struct shfs_inode_info *i = inode->u.generic_ip;
  89 +#endif
  90         struct timespec last_time = inode->i_mtime;
  91         loff_t last_size = inode->i_size;
  92
  93 @@ -53,7 +57,9 @@
  94         inode->i_ctime  = fattr->f_ctime;
  95         inode->i_atime  = fattr->f_atime;
  96         inode->i_mtime  = fattr->f_mtime;
  97 +#ifdef STRUCT_INODE_HAS_I_BLKSIZE
  98         inode->i_blksize= fattr->f_blksize;
  99 +#endif
 100         inode->i_blocks = fattr->f_blocks;
 101         inode->i_size   = fattr->f_size;
 102
 103 @@ -76,7 +82,11 @@
 104         if (!inode)
 105                 return NULL;
 106         inode->i_ino = fattr->f_ino;
 107 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 108 +       i = inode->i_private = (struct shfs_inode_info *)KMEM_ALLOC("inode", inode_cache, GFP_KERNEL);
 109 +#else
 110         i = inode->u.generic_ip = (struct shfs_inode_info *)KMEM_ALLOC("inode", inode_cache, GFP_KERNEL);
 111 +#endif
 112         if (!i)
 113                 return NULL;
 114         i->cache = NULL;
 115 @@ -108,7 +118,11 @@
 116         struct shfs_inode_info *i;
 117
 118         DEBUG("ino: %lu\n", inode->i_ino);
 119 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 120 +       i = (struct shfs_inode_info *)inode->i_private;
 121 +#else
 122         i = (struct shfs_inode_info *)inode->u.generic_ip;
 123 +#endif
 124         if (!i) {
 125                 VERBOSE("invalid inode\n");
 126                 goto out;
 127 @@ -176,7 +190,11 @@
 128  {
 129         struct shfs_sb_info *info = info_from_dentry(dentry);
 130         struct inode *inode = dentry->d_inode;
 131 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 132 +       struct shfs_inode_info *i = (struct shfs_inode_info *)inode->i_private;
 133 +#else
 134         struct shfs_inode_info *i = (struct shfs_inode_info *)inode->u.generic_ip;
 135 +#endif
 136         int result;
 137
 138          DEBUG("%s\n", dentry->d_name.name);
 139 Index: shfs-0.35/shfs/Linux-2.6/dir.c
 140 ===================================================================
 141 --- shfs-0.35.orig/shfs/Linux-2.6/dir.c 2007-06-04 13:22:58.822912840 +0200
 142 +++ shfs-0.35/shfs/Linux-2.6/dir.c      2007-06-04 13:22:59.020882744 +0200
 143 @@ -302,8 +302,13 @@
 144
 145         shfs_invalid_dir_cache(dir);
 146         result = shfs_instantiate(dentry);
 147 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 148 +       if (forced_write && dentry->d_inode && dentry->d_inode->i_private)
 149 +               ((struct shfs_inode_info *)dentry->d_inode->i_private)->unset_write_on_close = 1;
 150 +#else
 151         if (forced_write && dentry->d_inode && dentry->d_inode->u.generic_ip)
 152                 ((struct shfs_inode_info *)dentry->d_inode->u.generic_ip)->unset_write_on_close = 1;
 153 +#endif
 154         return result;
 155  }
 156
 157 Index: shfs-0.35/shfs/Linux-2.6/file.c
 158 ===================================================================
 159 --- shfs-0.35.orig/shfs/Linux-2.6/file.c        2007-06-04 13:22:58.397977440 +0200
 160 +++ shfs-0.35/shfs/Linux-2.6/file.c     2007-06-04 13:22:59.020882744 +0200
 161 @@ -90,7 +90,11 @@
 162         struct dentry *dentry = f->f_dentry;
 163         struct shfs_sb_info *info = info_from_dentry(dentry);
 164         struct inode *inode = p->mapping->host;
 165 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 166 +       struct shfs_inode_info *i = (struct shfs_inode_info *)inode->i_private;
 167 +#else
 168         struct shfs_inode_info *i = (struct shfs_inode_info *)inode->u.generic_ip;
 169 +#endif
 170         char *buffer = kmap(p) + offset;
 171         int written = 0, result;
 172         unsigned count = to - offset;
 173 @@ -252,8 +256,13 @@
 174                 }
 175         }
 176         /* if file was forced to be writeable, change attrs back on close */
 177 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 178 +       if (dentry->d_inode && dentry->d_inode->i_private) {
 179 +               if  (((struct shfs_inode_info *)dentry->d_inode->i_private)->unset_write_on_close) {
 180 +#else
 181         if (dentry->d_inode && dentry->d_inode->u.generic_ip) {
 182                 if  (((struct shfs_inode_info *)dentry->d_inode->u.generic_ip)->unset_write_on_close) {
 183 +#endif
 184                         char name[SHFS_PATH_MAX];
 185
 186                         if (get_name(dentry, name) < 0)
 187 @@ -302,7 +311,8 @@
 188                 goto error;
 189         }
 190         if (result != 0) {
 191 -               copy_to_user(buf, (char *)page, result);
 192 +               if (copy_to_user(buf, (char *)page, result))
 193 +                       goto error;
 194                 *ppos += result;
 195         }
 196  error:
 197 @@ -315,11 +325,15 @@
 198  static ssize_t
 199  shfs_slow_write(struct file *f, const char *buf, size_t count, loff_t *offset)
 200  {
 201 -       int written = 0;
 202 +       ssize_t written = 0;
 203         int result;
 204
 205         DEBUG("\n");
 206 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 207 +       written = do_sync_write(f, buf, count, offset);
 208 +#else
 209         written = generic_file_write(f, buf, count, offset);
 210 +#endif
 211         if (written > 0) {
 212                 result = do_file_flush(f);
 213                 written = result < 0 ? result: written;
 214 @@ -330,14 +344,23 @@
 215
 216  struct file_operations shfs_file_operations = {
 217         .llseek         = generic_file_llseek,
 218 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 219 +       .read           = do_sync_read,
 220 +       .write          = do_sync_write,
 221 +#else
 222         .read           = generic_file_read,
 223         .write          = generic_file_write,
 224 +#endif
 225         .ioctl          = shfs_ioctl,
 226         .mmap           = generic_file_mmap,
 227         .open           = shfs_file_open,
 228         .flush          = shfs_file_flush,
 229         .release        = shfs_file_release,
 230         .fsync          = shfs_file_sync,
 231 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 232 +       .aio_read       = generic_file_aio_read,
 233 +       .aio_write      = generic_file_aio_write,
 234 +#endif
 235  };
 236
 237  struct file_operations shfs_slow_operations = {
 238 Index: shfs-0.35/shfs/Linux-2.6/proc.c
 239 ===================================================================
 240 --- shfs-0.35.orig/shfs/Linux-2.6/proc.c        2007-06-04 13:22:58.398977288 +0200
 241 +++ shfs-0.35/shfs/Linux-2.6/proc.c     2007-06-04 13:22:59.021882592 +0200
 242 @@ -149,7 +149,12 @@
 243  {
 244         struct file *f = info->sock;
 245         mm_segment_t fs;
 246 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 247 +       ssize_t result = 0;
 248 +       loff_t begin;
 249 +#else
 250         int c, result = 0;
 251 +#endif
 252         unsigned long flags, sigpipe;
 253         sigset_t old_set;
 254
 255 @@ -161,7 +166,9 @@
 256                         return result;
 257         }
 258
 259 +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
 260         c = count;
 261 +#endif
 262
 263         fs = get_fs();
 264         set_fs(get_ds());
 265 @@ -173,6 +180,16 @@
 266         SIGRECALC;
 267         SIGUNLOCK(flags);
 268
 269 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 270 +       begin = f->f_pos;
 271 +       result = do_sync_write(f, buffer, count, &f->f_pos);
 272 +
 273 +       if (result < 0) {
 274 +               DEBUG("error: %d\n", result);
 275 +               fput(f);
 276 +               info->sock = NULL;
 277 +       }
 278 +#else
 279         do {
 280                 struct iovec vec[1];
 281
 282 @@ -190,6 +207,7 @@
 283                 buffer += result;
 284                 c -= result;
 285         } while (c > 0);
 286 +#endif
 287
 288         SIGLOCK(flags);
 289         if (result == -EPIPE && !sigpipe) {
 290 @@ -204,7 +222,11 @@
 291
 292         DEBUG(">%d\n", result);
 293         if (result < 0)
 294 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 295 +               set_garbage(info, 1, count - (f->f_pos - begin));
 296 +#else
 297                 set_garbage(info, 1, c);
 298 +#endif
 299         else
 300                 result = count;
 301         return result;
 302 @@ -222,6 +244,9 @@
 303         int c, result = 0;
 304         unsigned long flags, sigpipe;
 305         sigset_t old_set;
 306 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 307 +       loff_t begin;
 308 +#endif
 309
 310         if (!f)
 311                 return -EIO;
 312 @@ -256,6 +281,20 @@
 313         fs = get_fs();
 314         set_fs(get_ds());
 315
 316 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 317 +       begin = f->f_pos;
 318 +       result = do_sync_read(f, buffer, c, &f->f_pos);
 319 +
 320 +       if (!result) {
 321 +               /* peer has closed socket */
 322 +               result = -EIO;
 323 +       }
 324 +       if (result < 0) {
 325 +               DEBUG("error: %d\n", result);
 326 +               fput(f);
 327 +               info->sock = NULL;
 328 +       }
 329 +#else
 330         do {
 331                 struct iovec vec[1];
 332
 333 @@ -277,6 +316,7 @@
 334                 buffer += result;
 335                 c -= result;
 336         } while (c > 0);
 337 +#endif
 338
 339         SIGLOCK(flags);
 340         if (result == -EPIPE && !sigpipe) {
 341 @@ -291,7 +331,11 @@
 342
 343         DEBUG("<%d\n", result);
 344         if (result < 0)
 345 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 346 +               set_garbage(info, 0, count - (f->f_pos - begin));
 347 +#else
 348                 set_garbage(info, 0, c);
 349 +#endif
 350         else
 351                 result = count;
 352         return result;
 353 @@ -316,8 +360,10 @@
 354                         return result;
 355         }
 356         while (1) {
 357 +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
 358                 struct iovec vec[1];
 359
 360 +#endif
 361                 nl = memchr(BUFFER, '\n', LEN);
 362                 if (nl) {
 363                         *nl = '\0';
 364 @@ -348,9 +394,13 @@
 365                 fs = get_fs();
 366                 set_fs(get_ds());
 367
 368 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
 369 +               result = do_sync_read(f, BUFFER+LEN, c, &f->f_pos);
 370 +#else
 371                 vec[0].iov_base = BUFFER+LEN;
 372                 vec[0].iov_len = c;
 373                 result = f->f_op->readv(f, (const struct iovec *)&vec, 1, &f->f_pos);
 374 +#endif
 375                 SIGLOCK(flags);
 376                 if (result == -EPIPE && !sigpipe) {
 377                         sigdelset(&current->pending.signal, SIGPIPE);