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ocfs2: remove unused ocfs2_handle_add_inode()

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We can also delete the unused infrastructure which was once in place to
support this functionality. ocfs2_inode_private loses ip_handle and
ip_handle_list. ocfs2_journal_handle loses handle_list.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
This commit is contained in:
Mark Fasheh 2006-10-06 18:51:46 -07:00
parent 85b9e783cb
commit 02928a71ae
5 changed files with 0 additions and 67 deletions
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6
fs/ocfs2/inode.c
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@ -1067,12 +1067,6 @@ void ocfs2_clear_inode(struct inode *inode)
mlog_bug_on_msg(oi->ip_open_count,
"Clear inode of %llu has open count %d\n",
(unsigned long long)oi->ip_blkno, oi->ip_open_count);
mlog_bug_on_msg(!list_empty(&oi->ip_handle_list),
"Clear inode of %llu has non empty handle list\n",
(unsigned long long)oi->ip_blkno);
mlog_bug_on_msg(oi->ip_handle,
"Clear inode of %llu has non empty handle pointer\n",
(unsigned long long)oi->ip_blkno);
/* Clear all other flags. */
oi->ip_flags = OCFS2_INODE_CACHE_INLINE;

7
fs/ocfs2/inode.h
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@ -48,13 +48,6 @@ struct ocfs2_inode_info
struct mutex ip_io_mutex;
/* Used by the journalling code to attach an inode to a
* handle. These are protected by ip_io_mutex in order to lock
* out other I/O to the inode until we either commit or
* abort. */
struct list_head ip_handle_list;
struct ocfs2_journal_handle *ip_handle;
u32 ip_flags; /* see below */
u32 ip_attr; /* inode attributes */

43
fs/ocfs2/journal.c
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@ -128,7 +128,6 @@ struct ocfs2_journal_handle *ocfs2_alloc_handle(struct ocfs2_super *osb)
retval->k_handle = NULL;
INIT_LIST_HEAD(&retval->locks);
INIT_LIST_HEAD(&retval->inode_list);
retval->journal = osb->journal;
return retval;
@ -202,51 +201,12 @@ struct ocfs2_journal_handle *ocfs2_start_trans(struct ocfs2_super *osb,
return ERR_PTR(ret);
}
void ocfs2_handle_add_inode(struct ocfs2_journal_handle *handle,
struct inode *inode)
{
BUG_ON(!handle);
BUG_ON(!inode);
atomic_inc(&inode->i_count);
/* we're obviously changing it... */
mutex_lock(&inode->i_mutex);
/* sanity check */
BUG_ON(OCFS2_I(inode)->ip_handle);
BUG_ON(!list_empty(&OCFS2_I(inode)->ip_handle_list));
OCFS2_I(inode)->ip_handle = handle;
list_move_tail(&(OCFS2_I(inode)->ip_handle_list), &(handle->inode_list));
}
static void ocfs2_handle_unlock_inodes(struct ocfs2_journal_handle *handle)
{
struct list_head *p, *n;
struct inode *inode;
struct ocfs2_inode_info *oi;
list_for_each_safe(p, n, &handle->inode_list) {
oi = list_entry(p, struct ocfs2_inode_info,
ip_handle_list);
inode = &oi->vfs_inode;
OCFS2_I(inode)->ip_handle = NULL;
list_del_init(&OCFS2_I(inode)->ip_handle_list);
mutex_unlock(&inode->i_mutex);
iput(inode);
}
}
/* This is trivial so we do it out of the main commit
* paths. Beware, it can be called from start_trans too! */
static void ocfs2_commit_unstarted_handle(struct ocfs2_journal_handle *handle)
{
mlog_entry_void();
ocfs2_handle_unlock_inodes(handle);
/* You are allowed to add journal locks before the transaction
* has started. */
ocfs2_handle_cleanup_locks(handle->journal, handle);
@ -272,9 +232,6 @@ void ocfs2_commit_trans(struct ocfs2_journal_handle *handle)
return;
}
/* release inode semaphores we took during this transaction */
ocfs2_handle_unlock_inodes(handle);
/* ocfs2_extend_trans may have had to call journal_restart
* which will always commit the transaction, but may return
* error for any number of reasons. If this is the case, we

9
fs/ocfs2/journal.h
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@ -149,8 +149,6 @@ struct ocfs2_journal_handle {
struct list_head locks; /* A bunch of locks to
* release on commit. This
* should be a list_head */
struct list_head inode_list;
};
/* Exported only for the journal struct init code in super.c. Do not call. */
@ -236,7 +234,6 @@ static inline void ocfs2_checkpoint_inode(struct inode *inode)
* ocfs2_handle_add_lock to indicate that a lock needs
* to be released at the end of that handle. Locks
* will be released in the order that they are added.
* ocfs2_handle_add_inode - Add a locked inode to a transaction.
*/
/* You must always start_trans with a number of buffs > 0, but it's
@ -293,12 +290,6 @@ int ocfs2_journal_dirty_data(handle_t *handle,
struct buffer_head *bh);
int ocfs2_handle_add_lock(struct ocfs2_journal_handle *handle,
struct inode *inode);
/*
* Use this to protect from other processes reading buffer state while
* it's in flight.
*/
void ocfs2_handle_add_inode(struct ocfs2_journal_handle *handle,
struct inode *inode);
/*
* Credit Macros:

2
fs/ocfs2/super.c
View File

@ -914,9 +914,7 @@ static void ocfs2_inode_init_once(void *data,
oi->ip_open_count = 0;
spin_lock_init(&oi->ip_lock);
ocfs2_extent_map_init(&oi->vfs_inode);
INIT_LIST_HEAD(&oi->ip_handle_list);
INIT_LIST_HEAD(&oi->ip_io_markers);
oi->ip_handle = NULL;
oi->ip_created_trans = 0;
oi->ip_last_trans = 0;
oi->ip_dir_start_lookup = 0;