* Return error or zero.
*/
int
-xfs_log_mount(xfs_mount_t *mp,
- xfs_buftarg_t *log_target,
- xfs_daddr_t blk_offset,
- int num_bblks)
+xfs_log_mount(
+ xfs_mount_t *mp,
+ xfs_buftarg_t *log_target,
+ xfs_daddr_t blk_offset,
+ int num_bblks)
{
+ int error;
+
if (!(mp->m_flags & XFS_MOUNT_NORECOVERY))
cmn_err(CE_NOTE, "XFS mounting filesystem %s", mp->m_fsname);
else {
mp->m_log = xlog_alloc_log(mp, log_target, blk_offset, num_bblks);
+ /*
+ * Initialize the AIL now we have a log.
+ */
+ spin_lock_init(&mp->m_ail_lock);
+ error = xfs_trans_ail_init(mp);
+ if (error) {
+ cmn_err(CE_WARN, "XFS: AIL initialisation failed: error %d", error);
+ goto error;
+ }
+
/*
* skip log recovery on a norecovery mount. pretend it all
* just worked.
*/
if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) {
- int error, readonly = (mp->m_flags & XFS_MOUNT_RDONLY);
+ int readonly = (mp->m_flags & XFS_MOUNT_RDONLY);
if (readonly)
mp->m_flags &= ~XFS_MOUNT_RDONLY;
mp->m_flags |= XFS_MOUNT_RDONLY;
if (error) {
cmn_err(CE_WARN, "XFS: log mount/recovery failed: error %d", error);
- xlog_dealloc_log(mp->m_log);
- return error;
+ goto error;
}
}
/* End mounting message in xfs_log_mount_finish */
return 0;
+error:
+ xfs_log_unmount_dealloc(mp);
+ return error;
} /* xfs_log_mount */
/*
/*
* Deallocate log structures for unmount/relocation.
+ *
+ * We need to stop the aild from running before we destroy
+ * and deallocate the log as the aild references the log.
*/
void
xfs_log_unmount_dealloc(xfs_mount_t *mp)
{
+ xfs_trans_ail_destroy(mp);
xlog_dealloc_log(mp->m_log);
}
if (XLOG_FORCED_SHUTDOWN(log))
return;
- ASSERT(!XFS_FORCED_SHUTDOWN(mp));
if (tail_lsn == 0) {
/* needed since sync_lsn is 64 bits */
* the tail. The details of this case are described below, but the end
* result is that we return the size of the log as the amount of space left.
*/
-int
+STATIC int
xlog_space_left(xlog_t *log, int cycle, int bytes)
{
int free_bytes;
size >>= 1;
}
- if (XFS_SB_VERSION_HASLOGV2(&mp->m_sb)) {
+ if (xfs_sb_version_haslogv2(&mp->m_sb)) {
/* # headers = size / 32K
* one header holds cycles from 32K of data
*/
log->l_grant_reserve_cycle = 1;
log->l_grant_write_cycle = 1;
- if (XFS_SB_VERSION_HASSECTOR(&mp->m_sb)) {
+ if (xfs_sb_version_hassector(&mp->m_sb)) {
log->l_sectbb_log = mp->m_sb.sb_logsectlog - BBSHIFT;
ASSERT(log->l_sectbb_log <= mp->m_sectbb_log);
/* for larger sector sizes, must have v2 or external log */
ASSERT(log->l_sectbb_log == 0 ||
log->l_logBBstart == 0 ||
- XFS_SB_VERSION_HASLOGV2(&mp->m_sb));
+ xfs_sb_version_haslogv2(&mp->m_sb));
ASSERT(mp->m_sb.sb_logsectlog >= BBSHIFT);
}
log->l_sectbb_mask = (1 << log->l_sectbb_log) - 1;
head = &iclog->ic_header;
memset(head, 0, sizeof(xlog_rec_header_t));
- INT_SET(head->h_magicno, ARCH_CONVERT, XLOG_HEADER_MAGIC_NUM);
- INT_SET(head->h_version, ARCH_CONVERT,
- XFS_SB_VERSION_HASLOGV2(&log->l_mp->m_sb) ? 2 : 1);
- INT_SET(head->h_size, ARCH_CONVERT, log->l_iclog_size);
+ head->h_magicno = cpu_to_be32(XLOG_HEADER_MAGIC_NUM);
+ head->h_version = cpu_to_be32(
+ xfs_sb_version_haslogv2(&log->l_mp->m_sb) ? 2 : 1);
+ head->h_size = cpu_to_be32(log->l_iclog_size);
/* new fields */
- INT_SET(head->h_fmt, ARCH_CONVERT, XLOG_FMT);
+ head->h_fmt = cpu_to_be32(XLOG_FMT);
memcpy(&head->h_fs_uuid, &mp->m_sb.sb_uuid, sizeof(uuid_t));
* pushes on an lsn which is further along in the log once we reach the high
* water mark. In this manner, we would be creating a low water mark.
*/
-void
+STATIC void
xlog_grant_push_ail(xfs_mount_t *mp,
int need_bytes)
{
* is added immediately before calling bwrite().
*/
-int
+STATIC int
xlog_sync(xlog_t *log,
xlog_in_core_t *iclog)
{
xfs_caddr_t dptr; /* pointer to byte sized element */
xfs_buf_t *bp;
- int i, ops;
+ int i;
uint count; /* byte count of bwrite */
uint count_init; /* initial count before roundup */
int roundoff; /* roundoff to BB or stripe */
int split = 0; /* split write into two regions */
int error;
- int v2 = XFS_SB_VERSION_HASLOGV2(&log->l_mp->m_sb);
+ int v2 = xfs_sb_version_haslogv2(&log->l_mp->m_sb);
XFS_STATS_INC(xs_log_writes);
ASSERT(iclog->ic_refcnt == 0);
/* real byte length */
if (v2) {
- INT_SET(iclog->ic_header.h_len,
- ARCH_CONVERT,
- iclog->ic_offset + roundoff);
+ iclog->ic_header.h_len =
+ cpu_to_be32(iclog->ic_offset + roundoff);
} else {
- INT_SET(iclog->ic_header.h_len, ARCH_CONVERT, iclog->ic_offset);
+ iclog->ic_header.h_len =
+ cpu_to_be32(iclog->ic_offset);
}
- /* put ops count in correct order */
- ops = iclog->ic_header.h_num_logops;
- INT_SET(iclog->ic_header.h_num_logops, ARCH_CONVERT, ops);
-
bp = iclog->ic_bp;
ASSERT(XFS_BUF_FSPRIVATE2(bp, unsigned long) == (unsigned long)1);
XFS_BUF_SET_FSPRIVATE2(bp, (unsigned long)2);
- XFS_BUF_SET_ADDR(bp, BLOCK_LSN(INT_GET(iclog->ic_header.h_lsn, ARCH_CONVERT)));
+ XFS_BUF_SET_ADDR(bp, BLOCK_LSN(be64_to_cpu(iclog->ic_header.h_lsn)));
XFS_STATS_ADD(xs_log_blocks, BTOBB(count));
* a new cycle. Watch out for the header magic number
* case, though.
*/
- for (i=0; i<split; i += BBSIZE) {
- INT_MOD(*(uint *)dptr, ARCH_CONVERT, +1);
- if (INT_GET(*(uint *)dptr, ARCH_CONVERT) == XLOG_HEADER_MAGIC_NUM)
- INT_MOD(*(uint *)dptr, ARCH_CONVERT, +1);
+ for (i = 0; i < split; i += BBSIZE) {
+ be32_add_cpu((__be32 *)dptr, 1);
+ if (be32_to_cpu(*(__be32 *)dptr) == XLOG_HEADER_MAGIC_NUM)
+ be32_add_cpu((__be32 *)dptr, 1);
dptr += BBSIZE;
}
/*
* Deallocate a log structure
*/
-void
+STATIC void
xlog_dealloc_log(xlog_t *log)
{
xlog_in_core_t *iclog, *next_iclog;
tic = log->l_unmount_free;
while (tic) {
next_tic = tic->t_next;
- kmem_free(tic, NBPP);
+ kmem_free(tic, PAGE_SIZE);
tic = next_tic;
}
}
{
spin_lock(&log->l_icloglock);
- iclog->ic_header.h_num_logops += record_cnt;
+ be32_add_cpu(&iclog->ic_header.h_num_logops, record_cnt);
iclog->ic_offset += copy_bytes;
spin_unlock(&log->l_icloglock);
* we don't update ic_offset until the end when we know exactly how many
* bytes have been written out.
*/
-int
+STATIC int
xlog_write(xfs_mount_t * mp,
xfs_log_iovec_t reg[],
int nentries,
/* start_lsn is the first lsn written to. That's all we need. */
if (! *start_lsn)
- *start_lsn = INT_GET(iclog->ic_header.h_lsn, ARCH_CONVERT);
+ *start_lsn = be64_to_cpu(iclog->ic_header.h_lsn);
/* This loop writes out as many regions as can fit in the amount
* of space which was allocated by xlog_state_get_iclog_space().
* We don't need to cover the dummy.
*/
if (!changed &&
- (INT_GET(iclog->ic_header.h_num_logops, ARCH_CONVERT) == XLOG_COVER_OPS)) {
+ (be32_to_cpu(iclog->ic_header.h_num_logops) ==
+ XLOG_COVER_OPS)) {
changed = 1;
} else {
/*
lowest_lsn = 0;
do {
if (!(lsn_log->ic_state & (XLOG_STATE_ACTIVE|XLOG_STATE_DIRTY))) {
- lsn = INT_GET(lsn_log->ic_header.h_lsn, ARCH_CONVERT);
+ lsn = be64_to_cpu(lsn_log->ic_header.h_lsn);
if ((lsn && !lowest_lsn) ||
(XFS_LSN_CMP(lsn, lowest_lsn) < 0)) {
lowest_lsn = lsn;
*/
lowest_lsn = xlog_get_lowest_lsn(log);
- if (lowest_lsn && (
- XFS_LSN_CMP(
- lowest_lsn,
- INT_GET(iclog->ic_header.h_lsn, ARCH_CONVERT)
- )<0)) {
+ if (lowest_lsn &&
+ XFS_LSN_CMP(lowest_lsn,
+ be64_to_cpu(iclog->ic_header.h_lsn)) < 0) {
iclog = iclog->ic_next;
continue; /* Leave this iclog for
* another thread */
* No one else can be here except us.
*/
spin_lock(&log->l_grant_lock);
- ASSERT(XFS_LSN_CMP(
- log->l_last_sync_lsn,
- INT_GET(iclog->ic_header.h_lsn, ARCH_CONVERT)
- )<=0);
- log->l_last_sync_lsn = INT_GET(iclog->ic_header.h_lsn, ARCH_CONVERT);
+ ASSERT(XFS_LSN_CMP(log->l_last_sync_lsn,
+ be64_to_cpu(iclog->ic_header.h_lsn)) <= 0);
+ log->l_last_sync_lsn =
+ be64_to_cpu(iclog->ic_header.h_lsn);
spin_unlock(&log->l_grant_lock);
/*
* global state machine log lock. Assume that the calls to cvsema won't
* take a long time. At least we know it won't sleep.
*/
-void
+STATIC void
xlog_state_done_syncing(
xlog_in_core_t *iclog,
int aborted)
* needs to be incremented, depending on the amount of data which
* is copied.
*/
-int
+STATIC int
xlog_state_get_iclog_space(xlog_t *log,
int len,
xlog_in_core_t **iclogp,
xlog_tic_add_region(ticket,
log->l_iclog_hsize,
XLOG_REG_TYPE_LRHEADER);
- INT_SET(head->h_cycle, ARCH_CONVERT, log->l_curr_cycle);
- INT_SET(head->h_lsn, ARCH_CONVERT,
+ head->h_cycle = cpu_to_be32(log->l_curr_cycle);
+ head->h_lsn = cpu_to_be64(
xlog_assign_lsn(log->l_curr_cycle, log->l_curr_block));
ASSERT(log->l_curr_block >= 0);
}
/*
* Atomically put back used ticket.
*/
-void
+STATIC void
xlog_state_put_ticket(xlog_t *log,
xlog_ticket_t *tic)
{
*
*
*/
-int
+STATIC int
xlog_state_release_iclog(xlog_t *log,
xlog_in_core_t *iclog)
{
iclog->ic_state == XLOG_STATE_WANT_SYNC) {
sync++;
iclog->ic_state = XLOG_STATE_SYNCING;
- INT_SET(iclog->ic_header.h_tail_lsn, ARCH_CONVERT, log->l_tail_lsn);
+ iclog->ic_header.h_tail_lsn = cpu_to_be64(log->l_tail_lsn);
xlog_verify_tail_lsn(log, iclog, log->l_tail_lsn);
/* cycle incremented when incrementing curr_block */
}
if (!eventual_size)
eventual_size = iclog->ic_offset;
iclog->ic_state = XLOG_STATE_WANT_SYNC;
- INT_SET(iclog->ic_header.h_prev_block, ARCH_CONVERT, log->l_prev_block);
+ iclog->ic_header.h_prev_block = cpu_to_be32(log->l_prev_block);
log->l_prev_block = log->l_curr_block;
log->l_prev_cycle = log->l_curr_cycle;
log->l_curr_block += BTOBB(eventual_size)+BTOBB(log->l_iclog_hsize);
/* Round up to next log-sunit */
- if (XFS_SB_VERSION_HASLOGV2(&log->l_mp->m_sb) &&
+ if (xfs_sb_version_haslogv2(&log->l_mp->m_sb) &&
log->l_mp->m_sb.sb_logsunit > 1) {
__uint32_t sunit_bb = BTOBB(log->l_mp->m_sb.sb_logsunit);
log->l_curr_block = roundup(log->l_curr_block, sunit_bb);
* the previous sync.
*/
iclog->ic_refcnt++;
- lsn = INT_GET(iclog->ic_header.h_lsn, ARCH_CONVERT);
+ lsn = be64_to_cpu(iclog->ic_header.h_lsn);
xlog_state_switch_iclogs(log, iclog, 0);
spin_unlock(&log->l_icloglock);
return XFS_ERROR(EIO);
*log_flushed = 1;
spin_lock(&log->l_icloglock);
- if (INT_GET(iclog->ic_header.h_lsn, ARCH_CONVERT) == lsn &&
+ if (be64_to_cpu(iclog->ic_header.h_lsn) == lsn &&
iclog->ic_state != XLOG_STATE_DIRTY)
goto maybe_sleep;
else
* If filesystem activity goes to zero, the iclog will get flushed only by
* bdflush().
*/
-int
+STATIC int
xlog_state_sync(xlog_t *log,
xfs_lsn_t lsn,
uint flags,
}
do {
- if (INT_GET(iclog->ic_header.h_lsn, ARCH_CONVERT) != lsn) {
- iclog = iclog->ic_next;
- continue;
+ if (be64_to_cpu(iclog->ic_header.h_lsn) != lsn) {
+ iclog = iclog->ic_next;
+ continue;
}
if (iclog->ic_state == XLOG_STATE_DIRTY) {
* Called when we want to mark the current iclog as being ready to sync to
* disk.
*/
-void
+STATIC void
xlog_state_want_sync(xlog_t *log, xlog_in_core_t *iclog)
{
spin_lock(&log->l_icloglock);
xlog_ticket_t *t_list;
xlog_ticket_t *next;
xfs_caddr_t buf;
- uint i = (NBPP / sizeof(xlog_ticket_t)) - 2;
+ uint i = (PAGE_SIZE / sizeof(xlog_ticket_t)) - 2;
/*
* The kmem_zalloc may sleep, so we shouldn't be holding the
* global lock. XXXmiken: may want to use zone allocator.
*/
- buf = (xfs_caddr_t) kmem_zalloc(NBPP, KM_SLEEP);
+ buf = (xfs_caddr_t) kmem_zalloc(PAGE_SIZE, KM_SLEEP);
spin_lock(&log->l_icloglock);
/*
* Grab ticket off freelist or allocation some more
*/
-xlog_ticket_t *
+STATIC xlog_ticket_t *
xlog_ticket_get(xlog_t *log,
int unit_bytes,
int cnt,
unit_bytes += sizeof(xlog_op_header_t) * num_headers;
/* for roundoff padding for transaction data and one for commit record */
- if (XFS_SB_VERSION_HASLOGV2(&log->l_mp->m_sb) &&
+ if (xfs_sb_version_haslogv2(&log->l_mp->m_sb) &&
log->l_mp->m_sb.sb_logsunit > 1) {
/* log su roundoff */
unit_bytes += 2*log->l_mp->m_sb.sb_logsunit;
spin_unlock(&log->l_icloglock);
/* check log magic numbers */
- ptr = (xfs_caddr_t) &(iclog->ic_header);
- if (INT_GET(*(uint *)ptr, ARCH_CONVERT) != XLOG_HEADER_MAGIC_NUM)
+ if (be32_to_cpu(iclog->ic_header.h_magicno) != XLOG_HEADER_MAGIC_NUM)
xlog_panic("xlog_verify_iclog: invalid magic num");
- for (ptr += BBSIZE; ptr < ((xfs_caddr_t)&(iclog->ic_header))+count;
+ ptr = (xfs_caddr_t) &iclog->ic_header;
+ for (ptr += BBSIZE; ptr < ((xfs_caddr_t)&iclog->ic_header) + count;
ptr += BBSIZE) {
- if (INT_GET(*(uint *)ptr, ARCH_CONVERT) == XLOG_HEADER_MAGIC_NUM)
+ if (be32_to_cpu(*(__be32 *)ptr) == XLOG_HEADER_MAGIC_NUM)
xlog_panic("xlog_verify_iclog: unexpected magic num");
}
/* check fields */
- len = INT_GET(iclog->ic_header.h_num_logops, ARCH_CONVERT);
+ len = be32_to_cpu(iclog->ic_header.h_num_logops);
ptr = iclog->ic_datap;
base_ptr = ptr;
ophead = (xlog_op_header_t *)ptr;
if (idx >= (XLOG_HEADER_CYCLE_SIZE / BBSIZE)) {
j = idx / (XLOG_HEADER_CYCLE_SIZE / BBSIZE);
k = idx % (XLOG_HEADER_CYCLE_SIZE / BBSIZE);
- op_len = INT_GET(xhdr[j].hic_xheader.xh_cycle_data[k], ARCH_CONVERT);
+ op_len = be32_to_cpu(xhdr[j].hic_xheader.xh_cycle_data[k]);
} else {
- op_len = INT_GET(iclog->ic_header.h_cycle_data[idx], ARCH_CONVERT);
+ op_len = be32_to_cpu(iclog->ic_header.h_cycle_data[idx]);
}
}
ptr += sizeof(xlog_op_header_t) + op_len;
projects / linux-2.6 / blobdiff