#include "buffer_head_io.h"
-spinlock_t trans_inc_lock = SPIN_LOCK_UNLOCKED;
+DEFINE_SPINLOCK(trans_inc_lock);
static int ocfs2_force_read_journal(struct inode *inode);
static int ocfs2_recover_node(struct ocfs2_super *osb,
{
struct ocfs2_journal_handle *retval = NULL;
- retval = kcalloc(1, sizeof(*retval), GFP_KERNEL);
+ retval = kcalloc(1, sizeof(*retval), GFP_NOFS);
if (!retval) {
mlog(ML_ERROR, "Failed to allocate memory for journal "
"handle!\n");
mlog_entry("(max_buffs = %d)\n", max_buffs);
- if (!osb || !osb->journal->j_journal)
- BUG();
+ BUG_ON(!osb || !osb->journal->j_journal);
if (ocfs2_is_hard_readonly(osb)) {
ret = -EROFS;
BUG_ON(!list_empty(&OCFS2_I(inode)->ip_handle_list));
OCFS2_I(inode)->ip_handle = handle;
- list_del(&(OCFS2_I(inode)->ip_handle_list));
- list_add_tail(&(OCFS2_I(inode)->ip_handle_list), &(handle->inode_list));
+ list_move_tail(&(OCFS2_I(inode)->ip_handle_list), &(handle->inode_list));
}
static void ocfs2_handle_unlock_inodes(struct ocfs2_journal_handle *handle)
BUG_ON(!bh);
BUG_ON(!(handle->flags & OCFS2_HANDLE_STARTED));
- mlog_entry("bh->b_blocknr=%llu, type=%d (\"%s\"), bh->b_size = %hu\n",
+ mlog_entry("bh->b_blocknr=%llu, type=%d (\"%s\"), bh->b_size = %zu\n",
(unsigned long long)bh->b_blocknr, type,
(type == OCFS2_JOURNAL_ACCESS_CREATE) ?
"OCFS2_JOURNAL_ACCESS_CREATE" :
* j_trans_barrier for us. */
ocfs2_set_inode_lock_trans(OCFS2_SB(inode->i_sb)->journal, inode);
- down(&OCFS2_I(inode)->ip_io_sem);
+ mutex_lock(&OCFS2_I(inode)->ip_io_mutex);
switch (type) {
case OCFS2_JOURNAL_ACCESS_CREATE:
case OCFS2_JOURNAL_ACCESS_WRITE:
status = -EINVAL;
mlog(ML_ERROR, "Uknown access type!\n");
}
- up(&OCFS2_I(inode)->ip_io_sem);
+ mutex_unlock(&OCFS2_I(inode)->ip_io_mutex);
if (status < 0)
mlog(ML_ERROR, "Error %d getting %d access to buffer!\n",
ocfs2_meta_unlock(inode, 1);
if (atomic_read(&inode->i_count) == 1)
mlog(ML_ERROR,
- "Inode %"MLFu64", I'm doing a last iput for!",
- OCFS2_I(inode)->ip_blkno);
+ "Inode %llu, I'm doing a last iput for!",
+ (unsigned long long)OCFS2_I(inode)->ip_blkno);
iput(inode);
kmem_cache_free(ocfs2_lock_cache, lock);
}
SET_INODE_JOURNAL(inode);
OCFS2_I(inode)->ip_open_count++;
- status = ocfs2_meta_lock(inode, NULL, &bh, 1);
+ /* Skip recovery waits here - journal inode metadata never
+ * changes in a live cluster so it can be considered an
+ * exception to the rule. */
+ status = ocfs2_meta_lock_full(inode, NULL, &bh, 1,
+ OCFS2_META_LOCK_RECOVERY);
if (status < 0) {
if (status != -ERESTARTSYS)
mlog(ML_ERROR, "Could not get lock on journal!\n");
}
mlog(0, "inode->i_size = %lld\n", inode->i_size);
- mlog(0, "inode->i_blocks = %lu\n", inode->i_blocks);
+ mlog(0, "inode->i_blocks = %llu\n",
+ (unsigned long long)inode->i_blocks);
mlog(0, "inode->ip_clusters = %u\n", OCFS2_I(inode)->ip_clusters);
/* call the kernels journal init function now */
/* This is called from startup/shutdown which will
* handle the errors in a specific manner, so no need
* to call ocfs2_error() here. */
- mlog(ML_ERROR, "Journal dinode %"MLFu64" has invalid "
- "signature: %.*s", fe->i_blkno, 7, fe->i_signature);
+ mlog(ML_ERROR, "Journal dinode %llu has invalid "
+ "signature: %.*s", (unsigned long long)fe->i_blkno, 7,
+ fe->i_signature);
status = -EIO;
goto out;
}
mlog_entry_void();
- if (!osb)
- BUG();
+ BUG_ON(!osb);
journal = osb->journal;
if (!journal)
}
/* Launch the commit thread */
- osb->commit_task = kthread_run(ocfs2_commit_thread, osb, "ocfs2cmt-%d",
- osb->osb_id);
+ osb->commit_task = kthread_run(ocfs2_commit_thread, osb, "ocfs2cmt");
if (IS_ERR(osb->commit_task)) {
status = PTR_ERR(osb->commit_task);
osb->commit_task = NULL;
mlog_entry_void();
- if (!journal)
- BUG();
+ BUG_ON(!journal);
status = journal_wipe(journal->j_journal, full);
if (status < 0) {
memset(bhs, 0, sizeof(struct buffer_head *) * CONCURRENT_JOURNAL_FILL);
- mlog(0, "Force reading %lu blocks\n",
- (inode->i_blocks >> (inode->i_sb->s_blocksize_bits - 9)));
+ mlog(0, "Force reading %llu blocks\n",
+ (unsigned long long)(inode->i_blocks >>
+ (inode->i_sb->s_blocksize_bits - 9)));
v_blkno = 0;
while (v_blkno <
if (p_blocks > CONCURRENT_JOURNAL_FILL)
p_blocks = CONCURRENT_JOURNAL_FILL;
+ /* We are reading journal data which should not
+ * be put in the uptodate cache */
status = ocfs2_read_blocks(OCFS2_SB(inode->i_sb),
p_blkno, p_blocks, bhs, 0,
- inode);
+ NULL);
if (status < 0) {
mlog_errno(status);
goto bail;
* NOTE: This function can and will sleep on recovery of other nodes
* during cluster locking, just like any other ocfs2 process.
*/
-void ocfs2_complete_recovery(void *data)
+void ocfs2_complete_recovery(struct work_struct *work)
{
int ret;
- struct ocfs2_super *osb = data;
- struct ocfs2_journal *journal = osb->journal;
+ struct ocfs2_journal *journal =
+ container_of(work, struct ocfs2_journal, j_recovery_work);
+ struct ocfs2_super *osb = journal->j_osb;
struct ocfs2_dinode *la_dinode, *tl_dinode;
struct ocfs2_la_recovery_item *item;
struct list_head *p, *n;
la_dinode = item->lri_la_dinode;
if (la_dinode) {
- mlog(0, "Clean up local alloc %"MLFu64"\n",
- la_dinode->i_blkno);
+ mlog(0, "Clean up local alloc %llu\n",
+ (unsigned long long)la_dinode->i_blkno);
ret = ocfs2_complete_local_alloc_recovery(osb,
la_dinode);
tl_dinode = item->lri_tl_dinode;
if (tl_dinode) {
- mlog(0, "Clean up truncate log %"MLFu64"\n",
- tl_dinode->i_blkno);
+ mlog(0, "Clean up truncate log %llu\n",
+ (unsigned long long)tl_dinode->i_blkno);
ret = ocfs2_complete_truncate_log_recovery(osb,
tl_dinode);
{
struct ocfs2_la_recovery_item *item;
- item = kmalloc(sizeof(struct ocfs2_la_recovery_item), GFP_KERNEL);
+ item = kmalloc(sizeof(struct ocfs2_la_recovery_item), GFP_NOFS);
if (!item) {
/* Though we wish to avoid it, we are in fact safe in
* skipping local alloc cleanup as fsck.ocfs2 is more
NULL);
bail:
- down(&osb->recovery_lock);
+ mutex_lock(&osb->recovery_lock);
if (!status &&
!ocfs2_node_map_is_empty(osb, &osb->recovery_map)) {
- up(&osb->recovery_lock);
+ mutex_unlock(&osb->recovery_lock);
goto restart;
}
mb(); /* sync with ocfs2_recovery_thread_running */
wake_up(&osb->recovery_event);
- up(&osb->recovery_lock);
+ mutex_unlock(&osb->recovery_lock);
mlog_exit(status);
/* no one is callint kthread_stop() for us so the kthread() api
mlog_entry("(node_num=%d, osb->node_num = %d)\n",
node_num, osb->node_num);
- down(&osb->recovery_lock);
+ mutex_lock(&osb->recovery_lock);
if (osb->disable_recovery)
goto out;
goto out;
osb->recovery_thread_task = kthread_run(__ocfs2_recovery_thread, osb,
- "ocfs2rec-%d", osb->osb_id);
+ "ocfs2rec");
if (IS_ERR(osb->recovery_thread_task)) {
mlog_errno((int)PTR_ERR(osb->recovery_thread_task));
osb->recovery_thread_task = NULL;
}
out:
- up(&osb->recovery_lock);
+ mutex_unlock(&osb->recovery_lock);
wake_up(&osb->recovery_event);
mlog_exit_void();
/* Should not ever be called to recover ourselves -- in that
* case we should've called ocfs2_journal_load instead. */
- if (osb->node_num == node_num)
- BUG();
+ BUG_ON(osb->node_num == node_num);
slot_num = ocfs2_node_num_to_slot(si, node_num);
if (slot_num == OCFS2_INVALID_SLOT) {
return status;
}
-static int ocfs2_recover_orphans(struct ocfs2_super *osb,
- int slot)
+static int ocfs2_queue_orphans(struct ocfs2_super *osb,
+ int slot,
+ struct inode **head)
{
- int status = 0;
- int have_disk_lock = 0;
- struct inode *inode = NULL;
- struct inode *iter;
+ int status;
struct inode *orphan_dir_inode = NULL;
+ struct inode *iter;
unsigned long offset, blk, local;
struct buffer_head *bh = NULL;
struct ocfs2_dir_entry *de;
struct super_block *sb = osb->sb;
- struct ocfs2_inode_info *oi;
-
- mlog(0, "Recover inodes from orphan dir in slot %d\n", slot);
orphan_dir_inode = ocfs2_get_system_file_inode(osb,
ORPHAN_DIR_SYSTEM_INODE,
if (!orphan_dir_inode) {
status = -ENOENT;
mlog_errno(status);
- goto out;
- }
+ return status;
+ }
mutex_lock(&orphan_dir_inode->i_mutex);
status = ocfs2_meta_lock(orphan_dir_inode, NULL, NULL, 0);
if (status < 0) {
- mutex_unlock(&orphan_dir_inode->i_mutex);
mlog_errno(status);
goto out;
}
- have_disk_lock = 1;
offset = 0;
iter = NULL;
if (!bh)
status = -EINVAL;
if (status < 0) {
- mutex_unlock(&orphan_dir_inode->i_mutex);
if (bh)
brelse(bh);
mlog_errno(status);
- goto out;
+ goto out_unlock;
}
local = 0;
if (!ocfs2_check_dir_entry(orphan_dir_inode,
de, bh, local)) {
- mutex_unlock(&orphan_dir_inode->i_mutex);
status = -EINVAL;
mlog_errno(status);
brelse(bh);
- goto out;
+ goto out_unlock;
}
local += le16_to_cpu(de->rec_len);
if (de->file_type > OCFS2_FT_MAX) {
mlog(ML_ERROR,
"block %llu contains invalid de: "
- "inode = %"MLFu64", rec_len = %u, "
+ "inode = %llu, rec_len = %u, "
"name_len = %u, file_type = %u, "
"name='%.*s'\n",
(unsigned long long)bh->b_blocknr,
- le64_to_cpu(de->inode),
+ (unsigned long long)le64_to_cpu(de->inode),
le16_to_cpu(de->rec_len),
de->name_len,
de->file_type,
if (de->name_len == 2 && !strncmp("..", de->name, 2))
continue;
- iter = ocfs2_iget(osb, le64_to_cpu(de->inode));
+ iter = ocfs2_iget(osb, le64_to_cpu(de->inode),
+ OCFS2_FI_FLAG_NOLOCK);
if (IS_ERR(iter))
continue;
- mlog(0, "queue orphan %"MLFu64"\n",
- OCFS2_I(iter)->ip_blkno);
- OCFS2_I(iter)->ip_next_orphan = inode;
- inode = iter;
+ mlog(0, "queue orphan %llu\n",
+ (unsigned long long)OCFS2_I(iter)->ip_blkno);
+ /* No locking is required for the next_orphan
+ * queue as there is only ever a single
+ * process doing orphan recovery. */
+ OCFS2_I(iter)->ip_next_orphan = *head;
+ *head = iter;
}
brelse(bh);
}
- mutex_unlock(&orphan_dir_inode->i_mutex);
+out_unlock:
ocfs2_meta_unlock(orphan_dir_inode, 0);
- have_disk_lock = 0;
-
+out:
+ mutex_unlock(&orphan_dir_inode->i_mutex);
iput(orphan_dir_inode);
- orphan_dir_inode = NULL;
+ return status;
+}
+
+static int ocfs2_orphan_recovery_can_continue(struct ocfs2_super *osb,
+ int slot)
+{
+ int ret;
+
+ spin_lock(&osb->osb_lock);
+ ret = !osb->osb_orphan_wipes[slot];
+ spin_unlock(&osb->osb_lock);
+ return ret;
+}
+
+static void ocfs2_mark_recovering_orphan_dir(struct ocfs2_super *osb,
+ int slot)
+{
+ spin_lock(&osb->osb_lock);
+ /* Mark ourselves such that new processes in delete_inode()
+ * know to quit early. */
+ ocfs2_node_map_set_bit(osb, &osb->osb_recovering_orphan_dirs, slot);
+ while (osb->osb_orphan_wipes[slot]) {
+ /* If any processes are already in the middle of an
+ * orphan wipe on this dir, then we need to wait for
+ * them. */
+ spin_unlock(&osb->osb_lock);
+ wait_event_interruptible(osb->osb_wipe_event,
+ ocfs2_orphan_recovery_can_continue(osb, slot));
+ spin_lock(&osb->osb_lock);
+ }
+ spin_unlock(&osb->osb_lock);
+}
+
+static void ocfs2_clear_recovering_orphan_dir(struct ocfs2_super *osb,
+ int slot)
+{
+ ocfs2_node_map_clear_bit(osb, &osb->osb_recovering_orphan_dirs, slot);
+}
+
+/*
+ * Orphan recovery. Each mounted node has it's own orphan dir which we
+ * must run during recovery. Our strategy here is to build a list of
+ * the inodes in the orphan dir and iget/iput them. The VFS does
+ * (most) of the rest of the work.
+ *
+ * Orphan recovery can happen at any time, not just mount so we have a
+ * couple of extra considerations.
+ *
+ * - We grab as many inodes as we can under the orphan dir lock -
+ * doing iget() outside the orphan dir risks getting a reference on
+ * an invalid inode.
+ * - We must be sure not to deadlock with other processes on the
+ * system wanting to run delete_inode(). This can happen when they go
+ * to lock the orphan dir and the orphan recovery process attempts to
+ * iget() inside the orphan dir lock. This can be avoided by
+ * advertising our state to ocfs2_delete_inode().
+ */
+static int ocfs2_recover_orphans(struct ocfs2_super *osb,
+ int slot)
+{
+ int ret = 0;
+ struct inode *inode = NULL;
+ struct inode *iter;
+ struct ocfs2_inode_info *oi;
+
+ mlog(0, "Recover inodes from orphan dir in slot %d\n", slot);
+
+ ocfs2_mark_recovering_orphan_dir(osb, slot);
+ ret = ocfs2_queue_orphans(osb, slot, &inode);
+ ocfs2_clear_recovering_orphan_dir(osb, slot);
+
+ /* Error here should be noted, but we want to continue with as
+ * many queued inodes as we've got. */
+ if (ret)
+ mlog_errno(ret);
while (inode) {
oi = OCFS2_I(inode);
- mlog(0, "iput orphan %"MLFu64"\n", oi->ip_blkno);
+ mlog(0, "iput orphan %llu\n", (unsigned long long)oi->ip_blkno);
iter = oi->ip_next_orphan;
inode = iter;
}
-out:
- if (have_disk_lock)
- ocfs2_meta_unlock(orphan_dir_inode, 0);
-
- if (orphan_dir_inode)
- iput(orphan_dir_inode);
-
- return status;
+ return ret;
}
static int ocfs2_wait_on_mount(struct ocfs2_super *osb)
while (!(kthread_should_stop() &&
atomic_read(&journal->j_num_trans) == 0)) {
- wait_event_interruptible_timeout(osb->checkpoint_event,
- atomic_read(&journal->j_num_trans)
- || kthread_should_stop(),
- OCFS2_CHECKPOINT_INTERVAL);
+ wait_event_interruptible(osb->checkpoint_event,
+ atomic_read(&journal->j_num_trans)
+ || kthread_should_stop());
status = ocfs2_commit_cache(osb);
if (status < 0)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff