X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_fs.c;h=f0c2771ece0b0339cc6eb27c549a7310041b9ebb;hp=36cbd4edc1226ef393143b7ba93df0cde66a7ec4;hb=25f6e492e7010f585367a4f6abf4d2e17c5c0e1a;hpb=5ea7d7c7d87b076ac176282bff6eeddf329da2c4 diff --git a/yaffs_fs.c b/yaffs_fs.c index 36cbd4e..f0c2771 100644 --- a/yaffs_fs.c +++ b/yaffs_fs.c @@ -1442,7 +1442,7 @@ static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir) sc = yaffs_NewSearch(obj); if(!sc){ retVal = -ENOMEM; - goto unlock_out; + goto out; } T(YAFFS_TRACE_OS, (TSTR("yaffs_readdir: starting at %d\n"), (int)offset)); @@ -1452,8 +1452,10 @@ static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir) (TSTR("yaffs_readdir: entry . ino %d \n"), (int)inode->i_ino)); yaffs_GrossUnlock(dev); - if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0) + if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0){ + yaffs_GrossLock(dev); goto out; + } yaffs_GrossLock(dev); offset++; f->f_pos++; @@ -1464,8 +1466,10 @@ static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir) (int)f->f_dentry->d_parent->d_inode->i_ino)); yaffs_GrossUnlock(dev); if (filldir(dirent, "..", 2, offset, - f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) + f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0){ + yaffs_GrossLock(dev); goto out; + } yaffs_GrossLock(dev); offset++; f->f_pos++; @@ -1501,8 +1505,10 @@ static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir) strlen(name), offset, this_inode, - this_type) < 0) + this_type) < 0){ + yaffs_GrossLock(dev); goto out; + } yaffs_GrossLock(dev); @@ -1512,12 +1518,10 @@ static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir) yaffs_SearchAdvance(sc); } -unlock_out: +out: + yaffs_EndSearch(sc); yaffs_DeviceToContext(dev)->readdirProcess = NULL; - yaffs_GrossUnlock(dev); -out: - yaffs_EndSearch(sc); return retVal; } @@ -2227,7 +2231,7 @@ static int yaffs_BackgroundThread(void *data) if(time_before(expires,now)) expires = now + HZ; - init_timer(&timer); + init_timer_on_stack(&timer); timer.expires = expires+1; timer.data = (unsigned long) current; timer.function = yaffs_background_waker; @@ -2252,7 +2256,7 @@ static int yaffs_BackgroundStart(yaffs_Device *dev) context->bgRunning = 1; context->bgThread = kthread_run(yaffs_BackgroundThread, - (void *)dev,"yaffs-bg"); + (void *)dev,"yaffs-bg-%d",context->mount_id); if(IS_ERR(context->bgThread)){ retval = PTR_ERR(context->bgThread); @@ -2570,6 +2574,11 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, yaffs_options options; + unsigned mount_id; + int found; + struct yaffs_LinuxContext *context_iterator; + struct ylist_head *l; + sb->s_magic = YAFFS_MAGIC; sb->s_op = &yaffs_super_ops; sb->s_flags |= MS_NOATIME; @@ -2871,8 +2880,19 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, param->skipCheckpointRead = options.skip_checkpoint_read; param->skipCheckpointWrite = options.skip_checkpoint_write; - /* we assume this is protected by lock_kernel() in mount/umount */ down(&yaffs_context_lock); + /* Get a mount id */ + found = 0; + for(mount_id=0; ! found; mount_id++){ + found = 1; + ylist_for_each(l,&yaffs_context_list){ + context_iterator = ylist_entry(l,struct yaffs_LinuxContext,contextList); + if(context_iterator->mount_id == mount_id) + found = 0; + } + } + context->mount_id = mount_id; + ylist_add_tail(&(yaffs_DeviceToContext(dev)->contextList), &yaffs_context_list); up(&yaffs_context_lock); @@ -3058,10 +3078,8 @@ static char *yaffs_dump_dev_part1(char *buf, yaffs_Device * dev) buf += sprintf(buf, "nErasedBlocks...... %d\n", dev->nErasedBlocks); buf += sprintf(buf, "blocksInCheckpoint. %d\n", dev->blocksInCheckpoint); buf += sprintf(buf, "\n"); - buf += sprintf(buf, "nTnodesCreated..... %d\n", dev->nTnodesCreated); - buf += sprintf(buf, "nFreeTnodes........ %d\n", dev->nFreeTnodes); - buf += sprintf(buf, "nObjectsCreated.... %d\n", dev->nObjectsCreated); - buf += sprintf(buf, "nFreeObjects....... %d\n", dev->nFreeObjects); + buf += sprintf(buf, "nTnodes............ %d\n", dev->nTnodes); + buf += sprintf(buf, "nObjects........... %d\n", dev->nObjects); buf += sprintf(buf, "nFreeChunks........ %d\n", dev->nFreeChunks); buf += sprintf(buf, "\n"); buf += sprintf(buf, "nPageWrites........ %u\n", dev->nPageWrites); @@ -3154,18 +3172,13 @@ static int yaffs_stats_proc_read(char *page, yaffs_Device *dev = dc->dev; int erasedChunks; - int nObjects; - int nTnodes; erasedChunks = dev->nErasedBlocks * dev->param.nChunksPerBlock; - nObjects = dev->nObjectsCreated -dev->nFreeObjects; - nTnodes = dev->nTnodesCreated - dev->nFreeTnodes; - - buf += sprintf(buf,"%d, %d, %d, %u, %u, %d, %d\n", + buf += sprintf(buf,"%d, %d, %d, %u, %u, %u, %u\n", n, dev->nFreeChunks, erasedChunks, dev->backgroundGCs, dev->oldestDirtyGCs, - nObjects, nTnodes); + dev->nObjects, dev->nTnodes); } up(&yaffs_context_lock);