Inode::Inode(Volume* volume, ino_t id)
:
fVolume(volume),
fID(id),
fCache(NULL),
fMap(NULL),
fCached(false),
fHasExtraAttributes(false)
{
rw_lock_init(&fLock, "ext2 inode");
recursive_lock_init(&fSmallDataLock, "ext2 inode small data");
TRACE("Inode::Inode(): ext2_inode: %lu, disk inode: %lu\n",
sizeof(ext2_inode), fVolume->InodeSize());
fNodeSize = sizeof(ext2_inode) > fVolume->InodeSize()
? fVolume->InodeSize() : sizeof(ext2_inode);
fInitStatus = UpdateNodeFromDisk();
if (fInitStatus == B_OK) {
fHasExtraAttributes = (fNodeSize == sizeof(ext2_inode)
&& fNode.ExtraInodeSize() + EXT2_INODE_NORMAL_SIZE
== sizeof(ext2_inode));
if (IsDirectory() || (IsSymLink() && Size() < 60)) {
TRACE("Inode::Inode(): Not creating the file cache\n");
fCached = false;
fInitStatus = B_OK;
} else
fInitStatus = EnableFileCache();
} else
TRACE("Inode: Failed initialization\n");
}
Inode::Inode(Volume* volume, ino_t id)
:
fVolume(volume),
fID(id),
fCache(NULL),
fMap(NULL)
{
rw_lock_init(&fLock, "btrfs inode");
fInitStatus = UpdateNodeFromDisk();
if (fInitStatus == B_OK) {
if (!IsDirectory() && !IsSymLink()) {
fCache = file_cache_create(fVolume->ID(), ID(), Size());
fMap = file_map_create(fVolume->ID(), ID(), Size());
}
}
}
void
Inode::TransactionDone(bool success)
{
if (!success) {
// Revert any changes to the inode
if (fInitStatus == B_OK && UpdateNodeFromDisk() != B_OK)
panic("Failed to reload inode from disk!\n");
else if (fInitStatus == B_NO_INIT) {
// TODO: Unpublish vnode?
panic("Failed to finish creating inode\n");
}
} else {
if (fInitStatus == B_NO_INIT) {
TRACE("Inode::TransactionDone(): Inode creation succeeded\n");
fInitStatus = B_OK;
}
}
}
