libxfs: move source files

Move all the source files that are shared with userspace into
libxfs/. This is done as one big chunk simpy to get it done
quickly

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

1 files changed, 0 insertions, 290 deletions

diff --git a/fs/xfs/xfs_dquot_buf.c b/fs/xfs/xfs_dquot_buf.c
deleted file mode 100644
index c2ac0c611ad8..000000000000
--- a/fs/xfs/xfs_dquot_buf.c
+++ /dev/null
@@ -1,290 +0,0 @@
-/*
- * Copyright (c) 2000-2006 Silicon Graphics, Inc.
- * Copyright (c) 2013 Red Hat, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-#include "xfs.h"
-#include "xfs_fs.h"
-#include "xfs_shared.h"
-#include "xfs_format.h"
-#include "xfs_log_format.h"
-#include "xfs_trans_resv.h"
-#include "xfs_sb.h"
-#include "xfs_ag.h"
-#include "xfs_mount.h"
-#include "xfs_inode.h"
-#include "xfs_quota.h"
-#include "xfs_trans.h"
-#include "xfs_qm.h"
-#include "xfs_error.h"
-#include "xfs_cksum.h"
-#include "xfs_trace.h"
-
-int
-xfs_calc_dquots_per_chunk(
-	unsigned int		nbblks)	/* basic block units */
-{
-	unsigned int	ndquots;
-
-	ASSERT(nbblks > 0);
-	ndquots = BBTOB(nbblks);
-	do_div(ndquots, sizeof(xfs_dqblk_t));
-
-	return ndquots;
-}
-
-/*
- * Do some primitive error checking on ondisk dquot data structures.
- */
-int
-xfs_dqcheck(
-	struct xfs_mount *mp,
-	xfs_disk_dquot_t *ddq,
-	xfs_dqid_t	 id,
-	uint		 type,	  /* used only when IO_dorepair is true */
-	uint		 flags,
-	char		 *str)
-{
-	xfs_dqblk_t	 *d = (xfs_dqblk_t *)ddq;
-	int		errs = 0;
-
-	/*
-	 * We can encounter an uninitialized dquot buffer for 2 reasons:
-	 * 1. If we crash while deleting the quotainode(s), and those blks got
-	 *    used for user data. This is because we take the path of regular
-	 *    file deletion; however, the size field of quotainodes is never
-	 *    updated, so all the tricks that we play in itruncate_finish
-	 *    don't quite matter.
-	 *
-	 * 2. We don't play the quota buffers when there's a quotaoff logitem.
-	 *    But the allocation will be replayed so we'll end up with an
-	 *    uninitialized quota block.
-	 *
-	 * This is all fine; things are still consistent, and we haven't lost
-	 * any quota information. Just don't complain about bad dquot blks.
-	 */
-	if (ddq->d_magic != cpu_to_be16(XFS_DQUOT_MAGIC)) {
-		if (flags & XFS_QMOPT_DOWARN)
-			xfs_alert(mp,
-			"%s : XFS dquot ID 0x%x, magic 0x%x != 0x%x",
-			str, id, be16_to_cpu(ddq->d_magic), XFS_DQUOT_MAGIC);
-		errs++;
-	}
-	if (ddq->d_version != XFS_DQUOT_VERSION) {
-		if (flags & XFS_QMOPT_DOWARN)
-			xfs_alert(mp,
-			"%s : XFS dquot ID 0x%x, version 0x%x != 0x%x",
-			str, id, ddq->d_version, XFS_DQUOT_VERSION);
-		errs++;
-	}
-
-	if (ddq->d_flags != XFS_DQ_USER &&
-	    ddq->d_flags != XFS_DQ_PROJ &&
-	    ddq->d_flags != XFS_DQ_GROUP) {
-		if (flags & XFS_QMOPT_DOWARN)
-			xfs_alert(mp,
-			"%s : XFS dquot ID 0x%x, unknown flags 0x%x",
-			str, id, ddq->d_flags);
-		errs++;
-	}
-
-	if (id != -1 && id != be32_to_cpu(ddq->d_id)) {
-		if (flags & XFS_QMOPT_DOWARN)
-			xfs_alert(mp,
-			"%s : ondisk-dquot 0x%p, ID mismatch: "
-			"0x%x expected, found id 0x%x",
-			str, ddq, id, be32_to_cpu(ddq->d_id));
-		errs++;
-	}
-
-	if (!errs && ddq->d_id) {
-		if (ddq->d_blk_softlimit &&
-		    be64_to_cpu(ddq->d_bcount) >
-				be64_to_cpu(ddq->d_blk_softlimit)) {
-			if (!ddq->d_btimer) {
-				if (flags & XFS_QMOPT_DOWARN)
-					xfs_alert(mp,
-			"%s : Dquot ID 0x%x (0x%p) BLK TIMER NOT STARTED",
-					str, (int)be32_to_cpu(ddq->d_id), ddq);
-				errs++;
-			}
-		}
-		if (ddq->d_ino_softlimit &&
-		    be64_to_cpu(ddq->d_icount) >
-				be64_to_cpu(ddq->d_ino_softlimit)) {
-			if (!ddq->d_itimer) {
-				if (flags & XFS_QMOPT_DOWARN)
-					xfs_alert(mp,
-			"%s : Dquot ID 0x%x (0x%p) INODE TIMER NOT STARTED",
-					str, (int)be32_to_cpu(ddq->d_id), ddq);
-				errs++;
-			}
-		}
-		if (ddq->d_rtb_softlimit &&
-		    be64_to_cpu(ddq->d_rtbcount) >
-				be64_to_cpu(ddq->d_rtb_softlimit)) {
-			if (!ddq->d_rtbtimer) {
-				if (flags & XFS_QMOPT_DOWARN)
-					xfs_alert(mp,
-			"%s : Dquot ID 0x%x (0x%p) RTBLK TIMER NOT STARTED",
-					str, (int)be32_to_cpu(ddq->d_id), ddq);
-				errs++;
-			}
-		}
-	}
-
-	if (!errs || !(flags & XFS_QMOPT_DQREPAIR))
-		return errs;
-
-	if (flags & XFS_QMOPT_DOWARN)
-		xfs_notice(mp, "Re-initializing dquot ID 0x%x", id);
-
-	/*
-	 * Typically, a repair is only requested by quotacheck.
-	 */
-	ASSERT(id != -1);
-	ASSERT(flags & XFS_QMOPT_DQREPAIR);
-	memset(d, 0, sizeof(xfs_dqblk_t));
-
-	d->dd_diskdq.d_magic = cpu_to_be16(XFS_DQUOT_MAGIC);
-	d->dd_diskdq.d_version = XFS_DQUOT_VERSION;
-	d->dd_diskdq.d_flags = type;
-	d->dd_diskdq.d_id = cpu_to_be32(id);
-
-	if (xfs_sb_version_hascrc(&mp->m_sb)) {
-		uuid_copy(&d->dd_uuid, &mp->m_sb.sb_uuid);
-		xfs_update_cksum((char *)d, sizeof(struct xfs_dqblk),
-				 XFS_DQUOT_CRC_OFF);
-	}
-
-	return errs;
-}
-
-STATIC bool
-xfs_dquot_buf_verify_crc(
-	struct xfs_mount	*mp,
-	struct xfs_buf		*bp)
-{
-	struct xfs_dqblk	*d = (struct xfs_dqblk *)bp->b_addr;
-	int			ndquots;
-	int			i;
-
-	if (!xfs_sb_version_hascrc(&mp->m_sb))
-		return true;
-
-	/*
-	 * if we are in log recovery, the quota subsystem has not been
-	 * initialised so we have no quotainfo structure. In that case, we need
-	 * to manually calculate the number of dquots in the buffer.
-	 */
-	if (mp->m_quotainfo)
-		ndquots = mp->m_quotainfo->qi_dqperchunk;
-	else
-		ndquots = xfs_calc_dquots_per_chunk(
-					XFS_BB_TO_FSB(mp, bp->b_length));
-
-	for (i = 0; i < ndquots; i++, d++) {
-		if (!xfs_verify_cksum((char *)d, sizeof(struct xfs_dqblk),
-				 XFS_DQUOT_CRC_OFF))
-			return false;
-		if (!uuid_equal(&d->dd_uuid, &mp->m_sb.sb_uuid))
-			return false;
-	}
-	return true;
-}
-
-STATIC bool
-xfs_dquot_buf_verify(
-	struct xfs_mount	*mp,
-	struct xfs_buf		*bp)
-{
-	struct xfs_dqblk	*d = (struct xfs_dqblk *)bp->b_addr;
-	xfs_dqid_t		id = 0;
-	int			ndquots;
-	int			i;
-
-	/*
-	 * if we are in log recovery, the quota subsystem has not been
-	 * initialised so we have no quotainfo structure. In that case, we need
-	 * to manually calculate the number of dquots in the buffer.
-	 */
-	if (mp->m_quotainfo)
-		ndquots = mp->m_quotainfo->qi_dqperchunk;
-	else
-		ndquots = xfs_calc_dquots_per_chunk(bp->b_length);
-
-	/*
-	 * On the first read of the buffer, verify that each dquot is valid.
-	 * We don't know what the id of the dquot is supposed to be, just that
-	 * they should be increasing monotonically within the buffer. If the
-	 * first id is corrupt, then it will fail on the second dquot in the
-	 * buffer so corruptions could point to the wrong dquot in this case.
-	 */
-	for (i = 0; i < ndquots; i++) {
-		struct xfs_disk_dquot	*ddq;
-		int			error;
-
-		ddq = &d[i].dd_diskdq;
-
-		if (i == 0)
-			id = be32_to_cpu(ddq->d_id);
-
-		error = xfs_dqcheck(mp, ddq, id + i, 0, XFS_QMOPT_DOWARN,
-				       "xfs_dquot_buf_verify");
-		if (error)
-			return false;
-	}
-	return true;
-}
-
-static void
-xfs_dquot_buf_read_verify(
-	struct xfs_buf	*bp)
-{
-	struct xfs_mount	*mp = bp->b_target->bt_mount;
-
-	if (!xfs_dquot_buf_verify_crc(mp, bp))
-		xfs_buf_ioerror(bp, EFSBADCRC);
-	else if (!xfs_dquot_buf_verify(mp, bp))
-		xfs_buf_ioerror(bp, EFSCORRUPTED);
-
-	if (bp->b_error)
-		xfs_verifier_error(bp);
-}
-
-/*
- * we don't calculate the CRC here as that is done when the dquot is flushed to
- * the buffer after the update is done. This ensures that the dquot in the
- * buffer always has an up-to-date CRC value.
- */
-static void
-xfs_dquot_buf_write_verify(
-	struct xfs_buf	*bp)
-{
-	struct xfs_mount	*mp = bp->b_target->bt_mount;
-
-	if (!xfs_dquot_buf_verify(mp, bp)) {
-		xfs_buf_ioerror(bp, EFSCORRUPTED);
-		xfs_verifier_error(bp);
-		return;
-	}
-}
-
-const struct xfs_buf_ops xfs_dquot_buf_ops = {
-	.verify_read = xfs_dquot_buf_read_verify,
-	.verify_write = xfs_dquot_buf_write_verify,
-};
-