2018-06-06 09:42:14 +07:00
|
|
|
// SPDX-License-Identifier: GPL-2.0
|
2013-06-27 13:04:53 +07:00
|
|
|
/*
|
|
|
|
* Copyright (c) 2008-2010, 2013 Dave Chinner
|
|
|
|
* All Rights Reserved.
|
|
|
|
*/
|
|
|
|
#include "xfs.h"
|
|
|
|
#include "xfs_fs.h"
|
2013-10-23 06:36:05 +07:00
|
|
|
#include "xfs_shared.h"
|
2014-11-28 10:25:04 +07:00
|
|
|
#include "xfs_format.h"
|
2013-10-23 06:50:10 +07:00
|
|
|
#include "xfs_log_format.h"
|
|
|
|
#include "xfs_trans_resv.h"
|
2013-06-27 13:04:53 +07:00
|
|
|
#include "xfs_bit.h"
|
|
|
|
#include "xfs_mount.h"
|
2013-10-23 06:50:10 +07:00
|
|
|
#include "xfs_trans.h"
|
2013-06-27 13:04:53 +07:00
|
|
|
#include "xfs_trans_priv.h"
|
|
|
|
#include "xfs_error.h"
|
|
|
|
#include "xfs_icreate_item.h"
|
2013-12-13 07:00:43 +07:00
|
|
|
#include "xfs_log.h"
|
2013-06-27 13:04:53 +07:00
|
|
|
|
|
|
|
kmem_zone_t *xfs_icreate_zone; /* inode create item zone */
|
|
|
|
|
|
|
|
static inline struct xfs_icreate_item *ICR_ITEM(struct xfs_log_item *lip)
|
|
|
|
{
|
|
|
|
return container_of(lip, struct xfs_icreate_item, ic_item);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This returns the number of iovecs needed to log the given inode item.
|
|
|
|
*
|
|
|
|
* We only need one iovec for the icreate log structure.
|
|
|
|
*/
|
2013-08-12 17:50:04 +07:00
|
|
|
STATIC void
|
2013-06-27 13:04:53 +07:00
|
|
|
xfs_icreate_item_size(
|
2013-08-12 17:50:04 +07:00
|
|
|
struct xfs_log_item *lip,
|
|
|
|
int *nvecs,
|
|
|
|
int *nbytes)
|
2013-06-27 13:04:53 +07:00
|
|
|
{
|
2013-08-12 17:50:04 +07:00
|
|
|
*nvecs += 1;
|
|
|
|
*nbytes += sizeof(struct xfs_icreate_log);
|
2013-06-27 13:04:53 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This is called to fill in the vector of log iovecs for the
|
|
|
|
* given inode create log item.
|
|
|
|
*/
|
|
|
|
STATIC void
|
|
|
|
xfs_icreate_item_format(
|
|
|
|
struct xfs_log_item *lip,
|
2013-12-13 07:34:02 +07:00
|
|
|
struct xfs_log_vec *lv)
|
2013-06-27 13:04:53 +07:00
|
|
|
{
|
|
|
|
struct xfs_icreate_item *icp = ICR_ITEM(lip);
|
2013-12-13 07:34:02 +07:00
|
|
|
struct xfs_log_iovec *vecp = NULL;
|
2013-06-27 13:04:53 +07:00
|
|
|
|
2013-12-13 07:34:02 +07:00
|
|
|
xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_ICREATE,
|
2013-12-13 07:00:43 +07:00
|
|
|
&icp->ic_format,
|
|
|
|
sizeof(struct xfs_icreate_log));
|
2013-06-27 13:04:53 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Pinning has no meaning for the create item, so just return. */
|
|
|
|
STATIC void
|
|
|
|
xfs_icreate_item_pin(
|
|
|
|
struct xfs_log_item *lip)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* pinning has no meaning for the create item, so just return. */
|
|
|
|
STATIC void
|
|
|
|
xfs_icreate_item_unpin(
|
|
|
|
struct xfs_log_item *lip,
|
|
|
|
int remove)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
STATIC void
|
|
|
|
xfs_icreate_item_unlock(
|
|
|
|
struct xfs_log_item *lip)
|
|
|
|
{
|
|
|
|
struct xfs_icreate_item *icp = ICR_ITEM(lip);
|
|
|
|
|
2018-05-09 21:47:34 +07:00
|
|
|
if (test_bit(XFS_LI_ABORTED, &lip->li_flags))
|
2013-06-27 13:04:53 +07:00
|
|
|
kmem_zone_free(xfs_icreate_zone, icp);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Because we have ordered buffers being tracked in the AIL for the inode
|
|
|
|
* creation, we don't need the create item after this. Hence we can free
|
|
|
|
* the log item and return -1 to tell the caller we're done with the item.
|
|
|
|
*/
|
|
|
|
STATIC xfs_lsn_t
|
|
|
|
xfs_icreate_item_committed(
|
|
|
|
struct xfs_log_item *lip,
|
|
|
|
xfs_lsn_t lsn)
|
|
|
|
{
|
|
|
|
struct xfs_icreate_item *icp = ICR_ITEM(lip);
|
|
|
|
|
|
|
|
kmem_zone_free(xfs_icreate_zone, icp);
|
|
|
|
return (xfs_lsn_t)-1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* item can never get into the AIL */
|
|
|
|
STATIC uint
|
|
|
|
xfs_icreate_item_push(
|
|
|
|
struct xfs_log_item *lip,
|
|
|
|
struct list_head *buffer_list)
|
|
|
|
{
|
|
|
|
ASSERT(0);
|
|
|
|
return XFS_ITEM_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Ordered buffers do the dependency tracking here, so this does nothing. */
|
|
|
|
STATIC void
|
|
|
|
xfs_icreate_item_committing(
|
|
|
|
struct xfs_log_item *lip,
|
|
|
|
xfs_lsn_t lsn)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This is the ops vector shared by all buf log items.
|
|
|
|
*/
|
2016-11-28 10:57:42 +07:00
|
|
|
static const struct xfs_item_ops xfs_icreate_item_ops = {
|
2013-06-27 13:04:53 +07:00
|
|
|
.iop_size = xfs_icreate_item_size,
|
|
|
|
.iop_format = xfs_icreate_item_format,
|
|
|
|
.iop_pin = xfs_icreate_item_pin,
|
|
|
|
.iop_unpin = xfs_icreate_item_unpin,
|
|
|
|
.iop_push = xfs_icreate_item_push,
|
|
|
|
.iop_unlock = xfs_icreate_item_unlock,
|
|
|
|
.iop_committed = xfs_icreate_item_committed,
|
|
|
|
.iop_committing = xfs_icreate_item_committing,
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Initialize the inode log item for a newly allocated (in-core) inode.
|
|
|
|
*
|
|
|
|
* Inode extents can only reside within an AG. Hence specify the starting
|
|
|
|
* block for the inode chunk by offset within an AG as well as the
|
|
|
|
* length of the allocated extent.
|
|
|
|
*
|
|
|
|
* This joins the item to the transaction and marks it dirty so
|
|
|
|
* that we don't need a separate call to do this, nor does the
|
|
|
|
* caller need to know anything about the icreate item.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
xfs_icreate_log(
|
|
|
|
struct xfs_trans *tp,
|
|
|
|
xfs_agnumber_t agno,
|
|
|
|
xfs_agblock_t agbno,
|
|
|
|
unsigned int count,
|
|
|
|
unsigned int inode_size,
|
|
|
|
xfs_agblock_t length,
|
|
|
|
unsigned int generation)
|
|
|
|
{
|
|
|
|
struct xfs_icreate_item *icp;
|
|
|
|
|
|
|
|
icp = kmem_zone_zalloc(xfs_icreate_zone, KM_SLEEP);
|
|
|
|
|
|
|
|
xfs_log_item_init(tp->t_mountp, &icp->ic_item, XFS_LI_ICREATE,
|
|
|
|
&xfs_icreate_item_ops);
|
|
|
|
|
|
|
|
icp->ic_format.icl_type = XFS_LI_ICREATE;
|
|
|
|
icp->ic_format.icl_size = 1; /* single vector */
|
|
|
|
icp->ic_format.icl_ag = cpu_to_be32(agno);
|
|
|
|
icp->ic_format.icl_agbno = cpu_to_be32(agbno);
|
|
|
|
icp->ic_format.icl_count = cpu_to_be32(count);
|
|
|
|
icp->ic_format.icl_isize = cpu_to_be32(inode_size);
|
|
|
|
icp->ic_format.icl_length = cpu_to_be32(length);
|
|
|
|
icp->ic_format.icl_gen = cpu_to_be32(generation);
|
|
|
|
|
|
|
|
xfs_trans_add_item(tp, &icp->ic_item);
|
|
|
|
tp->t_flags |= XFS_TRANS_DIRTY;
|
2018-05-09 21:49:37 +07:00
|
|
|
set_bit(XFS_LI_DIRTY, &icp->ic_item.li_flags);
|
2013-06-27 13:04:53 +07:00
|
|
|
}
|