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authorPatrick McHardy <kaber@trash.net>2013-03-31 18:10:34 +0200
committerPatrick McHardy <kaber@trash.net>2013-03-31 18:10:34 +0200
commit70711d223510ba1773cfe1d7770a56141c815ff8 (patch)
tree4a71f38a3a554ddecaa31b7d8c6bc49b7d1705b4 /fs/xfs/xfs_log.c
parentd53b4ed072d9779cdf53582c46436dec06d0961f (diff)
parent19f949f52599ba7c3f67a5897ac6be14bfcb1200 (diff)
Merge tag 'v3.8' of /home/kaber/src/repos/linux
Linux 3.8 Signed-off-by: Patrick McHardy <kaber@trash.net> Conflicts: include/linux/Kbuild include/linux/netlink.h
Diffstat (limited to 'fs/xfs/xfs_log.c')
-rw-r--r--fs/xfs/xfs_log.c483
1 files changed, 354 insertions, 129 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index d90d4a38860..46bd9d52ab5 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -34,6 +34,8 @@
#include "xfs_dinode.h"
#include "xfs_inode.h"
#include "xfs_trace.h"
+#include "xfs_fsops.h"
+#include "xfs_cksum.h"
kmem_zone_t *xfs_log_ticket_zone;
@@ -45,51 +47,85 @@ xlog_commit_record(
struct xlog_in_core **iclog,
xfs_lsn_t *commitlsnp);
-STATIC xlog_t * xlog_alloc_log(xfs_mount_t *mp,
- xfs_buftarg_t *log_target,
- xfs_daddr_t blk_offset,
- int num_bblks);
+STATIC struct xlog *
+xlog_alloc_log(
+ struct xfs_mount *mp,
+ struct xfs_buftarg *log_target,
+ xfs_daddr_t blk_offset,
+ int num_bblks);
STATIC int
xlog_space_left(
struct xlog *log,
atomic64_t *head);
-STATIC int xlog_sync(xlog_t *log, xlog_in_core_t *iclog);
-STATIC void xlog_dealloc_log(xlog_t *log);
+STATIC int
+xlog_sync(
+ struct xlog *log,
+ struct xlog_in_core *iclog);
+STATIC void
+xlog_dealloc_log(
+ struct xlog *log);
/* local state machine functions */
STATIC void xlog_state_done_syncing(xlog_in_core_t *iclog, int);
-STATIC void xlog_state_do_callback(xlog_t *log,int aborted, xlog_in_core_t *iclog);
-STATIC int xlog_state_get_iclog_space(xlog_t *log,
- int len,
- xlog_in_core_t **iclog,
- xlog_ticket_t *ticket,
- int *continued_write,
- int *logoffsetp);
-STATIC int xlog_state_release_iclog(xlog_t *log,
- xlog_in_core_t *iclog);
-STATIC void xlog_state_switch_iclogs(xlog_t *log,
- xlog_in_core_t *iclog,
- int eventual_size);
-STATIC void xlog_state_want_sync(xlog_t *log, xlog_in_core_t *iclog);
+STATIC void
+xlog_state_do_callback(
+ struct xlog *log,
+ int aborted,
+ struct xlog_in_core *iclog);
+STATIC int
+xlog_state_get_iclog_space(
+ struct xlog *log,
+ int len,
+ struct xlog_in_core **iclog,
+ struct xlog_ticket *ticket,
+ int *continued_write,
+ int *logoffsetp);
+STATIC int
+xlog_state_release_iclog(
+ struct xlog *log,
+ struct xlog_in_core *iclog);
+STATIC void
+xlog_state_switch_iclogs(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ int eventual_size);
+STATIC void
+xlog_state_want_sync(
+ struct xlog *log,
+ struct xlog_in_core *iclog);
STATIC void
xlog_grant_push_ail(
- struct xlog *log,
- int need_bytes);
-STATIC void xlog_regrant_reserve_log_space(xlog_t *log,
- xlog_ticket_t *ticket);
-STATIC void xlog_ungrant_log_space(xlog_t *log,
- xlog_ticket_t *ticket);
+ struct xlog *log,
+ int need_bytes);
+STATIC void
+xlog_regrant_reserve_log_space(
+ struct xlog *log,
+ struct xlog_ticket *ticket);
+STATIC void
+xlog_ungrant_log_space(
+ struct xlog *log,
+ struct xlog_ticket *ticket);
#if defined(DEBUG)
-STATIC void xlog_verify_dest_ptr(xlog_t *log, char *ptr);
+STATIC void
+xlog_verify_dest_ptr(
+ struct xlog *log,
+ char *ptr);
STATIC void
xlog_verify_grant_tail(
- struct xlog *log);
-STATIC void xlog_verify_iclog(xlog_t *log, xlog_in_core_t *iclog,
- int count, boolean_t syncing);
-STATIC void xlog_verify_tail_lsn(xlog_t *log, xlog_in_core_t *iclog,
- xfs_lsn_t tail_lsn);
+ struct xlog *log);
+STATIC void
+xlog_verify_iclog(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ int count,
+ boolean_t syncing);
+STATIC void
+xlog_verify_tail_lsn(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ xfs_lsn_t tail_lsn);
#else
#define xlog_verify_dest_ptr(a,b)
#define xlog_verify_grant_tail(a)
@@ -97,7 +133,9 @@ STATIC void xlog_verify_tail_lsn(xlog_t *log, xlog_in_core_t *iclog,
#define xlog_verify_tail_lsn(a,b,c)
#endif
-STATIC int xlog_iclogs_empty(xlog_t *log);
+STATIC int
+xlog_iclogs_empty(
+ struct xlog *log);
static void
xlog_grant_sub_space(
@@ -422,7 +460,8 @@ xfs_log_reserve(
tic->t_trans_type = t_type;
*ticp = tic;
- xlog_grant_push_ail(log, tic->t_unit_res * tic->t_cnt);
+ xlog_grant_push_ail(log, tic->t_cnt ? tic->t_unit_res * tic->t_cnt
+ : tic->t_unit_res);
trace_xfs_log_reserve(log, tic);
@@ -643,25 +682,29 @@ out:
}
/*
- * Finish the recovery of the file system. This is separate from
- * the xfs_log_mount() call, because it depends on the code in
- * xfs_mountfs() to read in the root and real-time bitmap inodes
- * between calling xfs_log_mount() and here.
+ * Finish the recovery of the file system. This is separate from the
+ * xfs_log_mount() call, because it depends on the code in xfs_mountfs() to read
+ * in the root and real-time bitmap inodes between calling xfs_log_mount() and
+ * here.
*
- * mp - ubiquitous xfs mount point structure
+ * If we finish recovery successfully, start the background log work. If we are
+ * not doing recovery, then we have a RO filesystem and we don't need to start
+ * it.
*/
int
xfs_log_mount_finish(xfs_mount_t *mp)
{
- int error;
+ int error = 0;
- if (!(mp->m_flags & XFS_MOUNT_NORECOVERY))
+ if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) {
error = xlog_recover_finish(mp->m_log);
- else {
- error = 0;
+ if (!error)
+ xfs_log_work_queue(mp);
+ } else {
ASSERT(mp->m_flags & XFS_MOUNT_RDONLY);
}
+
return error;
}
@@ -684,7 +727,7 @@ xfs_log_mount_finish(xfs_mount_t *mp)
int
xfs_log_unmount_write(xfs_mount_t *mp)
{
- xlog_t *log = mp->m_log;
+ struct xlog *log = mp->m_log;
xlog_in_core_t *iclog;
#ifdef DEBUG
xlog_in_core_t *first_iclog;
@@ -814,15 +857,49 @@ xfs_log_unmount_write(xfs_mount_t *mp)
} /* xfs_log_unmount_write */
/*
- * Deallocate log structures for unmount/relocation.
+ * Empty the log for unmount/freeze.
*
- * We need to stop the aild from running before we destroy
- * and deallocate the log as the aild references the log.
+ * To do this, we first need to shut down the background log work so it is not
+ * trying to cover the log as we clean up. We then need to unpin all objects in
+ * the log so we can then flush them out. Once they have completed their IO and
+ * run the callbacks removing themselves from the AIL, we can write the unmount
+ * record.
*/
void
-xfs_log_unmount(xfs_mount_t *mp)
+xfs_log_quiesce(
+ struct xfs_mount *mp)
{
- cancel_delayed_work_sync(&mp->m_sync_work);
+ cancel_delayed_work_sync(&mp->m_log->l_work);
+ xfs_log_force(mp, XFS_LOG_SYNC);
+
+ /*
+ * The superblock buffer is uncached and while xfs_ail_push_all_sync()
+ * will push it, xfs_wait_buftarg() will not wait for it. Further,
+ * xfs_buf_iowait() cannot be used because it was pushed with the
+ * XBF_ASYNC flag set, so we need to use a lock/unlock pair to wait for
+ * the IO to complete.
+ */
+ xfs_ail_push_all_sync(mp->m_ail);
+ xfs_wait_buftarg(mp->m_ddev_targp);
+ xfs_buf_lock(mp->m_sb_bp);
+ xfs_buf_unlock(mp->m_sb_bp);
+
+ xfs_log_unmount_write(mp);
+}
+
+/*
+ * Shut down and release the AIL and Log.
+ *
+ * During unmount, we need to ensure we flush all the dirty metadata objects
+ * from the AIL so that the log is empty before we write the unmount record to
+ * the log. Once this is done, we can tear down the AIL and the log.
+ */
+void
+xfs_log_unmount(
+ struct xfs_mount *mp)
+{
+ xfs_log_quiesce(mp);
+
xfs_trans_ail_destroy(mp);
xlog_dealloc_log(mp->m_log);
}
@@ -893,7 +970,7 @@ int
xfs_log_need_covered(xfs_mount_t *mp)
{
int needed = 0;
- xlog_t *log = mp->m_log;
+ struct xlog *log = mp->m_log;
if (!xfs_fs_writable(mp))
return 0;
@@ -1024,9 +1101,9 @@ xlog_space_left(
void
xlog_iodone(xfs_buf_t *bp)
{
- xlog_in_core_t *iclog = bp->b_fspriv;
- xlog_t *l = iclog->ic_log;
- int aborted = 0;
+ struct xlog_in_core *iclog = bp->b_fspriv;
+ struct xlog *l = iclog->ic_log;
+ int aborted = 0;
/*
* Race to shutdown the filesystem if we see an error.
@@ -1054,8 +1131,7 @@ xlog_iodone(xfs_buf_t *bp)
* with it being freed after writing the unmount record to the
* log.
*/
-
-} /* xlog_iodone */
+}
/*
* Return size of each in-core log record buffer.
@@ -1067,8 +1143,9 @@ xlog_iodone(xfs_buf_t *bp)
*/
STATIC void
-xlog_get_iclog_buffer_size(xfs_mount_t *mp,
- xlog_t *log)
+xlog_get_iclog_buffer_size(
+ struct xfs_mount *mp,
+ struct xlog *log)
{
int size;
int xhdrs;
@@ -1124,18 +1201,53 @@ done:
} /* xlog_get_iclog_buffer_size */
+void
+xfs_log_work_queue(
+ struct xfs_mount *mp)
+{
+ queue_delayed_work(mp->m_log_workqueue, &mp->m_log->l_work,
+ msecs_to_jiffies(xfs_syncd_centisecs * 10));
+}
+
+/*
+ * Every sync period we need to unpin all items in the AIL and push them to
+ * disk. If there is nothing dirty, then we might need to cover the log to
+ * indicate that the filesystem is idle.
+ */
+void
+xfs_log_worker(
+ struct work_struct *work)
+{
+ struct xlog *log = container_of(to_delayed_work(work),
+ struct xlog, l_work);
+ struct xfs_mount *mp = log->l_mp;
+
+ /* dgc: errors ignored - not fatal and nowhere to report them */
+ if (xfs_log_need_covered(mp))
+ xfs_fs_log_dummy(mp);
+ else
+ xfs_log_force(mp, 0);
+
+ /* start pushing all the metadata that is currently dirty */
+ xfs_ail_push_all(mp->m_ail);
+
+ /* queue us up again */
+ xfs_log_work_queue(mp);
+}
+
/*
* This routine initializes some of the log structure for a given mount point.
* Its primary purpose is to fill in enough, so recovery can occur. However,
* some other stuff may be filled in too.
*/
-STATIC xlog_t *
-xlog_alloc_log(xfs_mount_t *mp,
- xfs_buftarg_t *log_target,
- xfs_daddr_t blk_offset,
- int num_bblks)
+STATIC struct xlog *
+xlog_alloc_log(
+ struct xfs_mount *mp,
+ struct xfs_buftarg *log_target,
+ xfs_daddr_t blk_offset,
+ int num_bblks)
{
- xlog_t *log;
+ struct xlog *log;
xlog_rec_header_t *head;
xlog_in_core_t **iclogp;
xlog_in_core_t *iclog, *prev_iclog=NULL;
@@ -1144,7 +1256,7 @@ xlog_alloc_log(xfs_mount_t *mp,
int error = ENOMEM;
uint log2_size = 0;
- log = kmem_zalloc(sizeof(xlog_t), KM_MAYFAIL);
+ log = kmem_zalloc(sizeof(struct xlog), KM_MAYFAIL);
if (!log) {
xfs_warn(mp, "Log allocation failed: No memory!");
goto out;
@@ -1157,6 +1269,7 @@ xlog_alloc_log(xfs_mount_t *mp,
log->l_logBBsize = num_bblks;
log->l_covered_state = XLOG_STATE_COVER_IDLE;
log->l_flags |= XLOG_ACTIVE_RECOVERY;
+ INIT_DELAYED_WORK(&log->l_work, xfs_log_worker);
log->l_prev_block = -1;
/* log->l_tail_lsn = 0x100000000LL; cycle = 1; current block = 0 */
@@ -1379,6 +1492,84 @@ xlog_grant_push_ail(
}
/*
+ * Stamp cycle number in every block
+ */
+STATIC void
+xlog_pack_data(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ int roundoff)
+{
+ int i, j, k;
+ int size = iclog->ic_offset + roundoff;
+ __be32 cycle_lsn;
+ xfs_caddr_t dp;
+
+ cycle_lsn = CYCLE_LSN_DISK(iclog->ic_header.h_lsn);
+
+ dp = iclog->ic_datap;
+ for (i = 0; i < BTOBB(size); i++) {
+ if (i >= (XLOG_HEADER_CYCLE_SIZE / BBSIZE))
+ break;
+ iclog->ic_header.h_cycle_data[i] = *(__be32 *)dp;
+ *(__be32 *)dp = cycle_lsn;
+ dp += BBSIZE;
+ }
+
+ if (xfs_sb_version_haslogv2(&log->l_mp->m_sb)) {
+ xlog_in_core_2_t *xhdr = iclog->ic_data;
+
+ for ( ; i < BTOBB(size); i++) {
+ j = i / (XLOG_HEADER_CYCLE_SIZE / BBSIZE);
+ k = i % (XLOG_HEADER_CYCLE_SIZE / BBSIZE);
+ xhdr[j].hic_xheader.xh_cycle_data[k] = *(__be32 *)dp;
+ *(__be32 *)dp = cycle_lsn;
+ dp += BBSIZE;
+ }
+
+ for (i = 1; i < log->l_iclog_heads; i++)
+ xhdr[i].hic_xheader.xh_cycle = cycle_lsn;
+ }
+}
+
+/*
+ * Calculate the checksum for a log buffer.
+ *
+ * This is a little more complicated than it should be because the various
+ * headers and the actual data are non-contiguous.
+ */
+__le32
+xlog_cksum(
+ struct xlog *log,
+ struct xlog_rec_header *rhead,
+ char *dp,
+ int size)
+{
+ __uint32_t crc;
+
+ /* first generate the crc for the record header ... */
+ crc = xfs_start_cksum((char *)rhead,
+ sizeof(struct xlog_rec_header),
+ offsetof(struct xlog_rec_header, h_crc));
+
+ /* ... then for additional cycle data for v2 logs ... */
+ if (xfs_sb_version_haslogv2(&log->l_mp->m_sb)) {
+ union xlog_in_core2 *xhdr = (union xlog_in_core2 *)rhead;
+ int i;
+
+ for (i = 1; i < log->l_iclog_heads; i++) {
+ crc = crc32c(crc, &xhdr[i].hic_xheader,
+ sizeof(struct xlog_rec_ext_header));
+ }
+ }
+
+ /* ... and finally for the payload */
+ crc = crc32c(crc, dp, size);
+
+ return xfs_end_cksum(crc);
+}
+
+/*
* The bdstrat callback function for log bufs. This gives us a central
* place to trap bufs in case we get hit by a log I/O error and need to
* shutdown. Actually, in practice, even when we didn't get a log error,
@@ -1434,10 +1625,10 @@ xlog_bdstrat(
*/
STATIC int
-xlog_sync(xlog_t *log,
- xlog_in_core_t *iclog)
+xlog_sync(
+ struct xlog *log,
+ struct xlog_in_core *iclog)
{
- xfs_caddr_t dptr; /* pointer to byte sized element */
xfs_buf_t *bp;
int i;
uint count; /* byte count of bwrite */
@@ -1446,6 +1637,7 @@ xlog_sync(xlog_t *log,
int split = 0; /* split write into two regions */
int error;
int v2 = xfs_sb_version_haslogv2(&log->l_mp->m_sb);
+ int size;
XFS_STATS_INC(xs_log_writes);
ASSERT(atomic_read(&iclog->ic_refcnt) == 0);
@@ -1476,13 +1668,10 @@ xlog_sync(xlog_t *log,
xlog_pack_data(log, iclog, roundoff);
/* real byte length */
- if (v2) {
- iclog->ic_header.h_len =
- cpu_to_be32(iclog->ic_offset + roundoff);
- } else {
- iclog->ic_header.h_len =
- cpu_to_be32(iclog->ic_offset);
- }
+ size = iclog->ic_offset;
+ if (v2)
+ size += roundoff;
+ iclog->ic_header.h_len = cpu_to_be32(size);
bp = iclog->ic_bp;
XFS_BUF_SET_ADDR(bp, BLOCK_LSN(be64_to_cpu(iclog->ic_header.h_lsn)));
@@ -1491,12 +1680,36 @@ xlog_sync(xlog_t *log,
/* Do we need to split this write into 2 parts? */
if (XFS_BUF_ADDR(bp) + BTOBB(count) > log->l_logBBsize) {
+ char *dptr;
+
split = count - (BBTOB(log->l_logBBsize - XFS_BUF_ADDR(bp)));
count = BBTOB(log->l_logBBsize - XFS_BUF_ADDR(bp));
- iclog->ic_bwritecnt = 2; /* split into 2 writes */
+ iclog->ic_bwritecnt = 2;
+
+ /*
+ * Bump the cycle numbers at the start of each block in the
+ * part of the iclog that ends up in the buffer that gets
+ * written to the start of the log.
+ *
+ * Watch out for the header magic number case, though.
+ */
+ dptr = (char *)&iclog->ic_header + count;
+ for (i = 0; i < split; i += BBSIZE) {
+ __uint32_t cycle = be32_to_cpu(*(__be32 *)dptr);
+ if (++cycle == XLOG_HEADER_MAGIC_NUM)
+ cycle++;
+ *(__be32 *)dptr = cpu_to_be32(cycle);
+
+ dptr += BBSIZE;
+ }
} else {
iclog->ic_bwritecnt = 1;
}
+
+ /* calculcate the checksum */
+ iclog->ic_header.h_crc = xlog_cksum(log, &iclog->ic_header,
+ iclog->ic_datap, size);
+
bp->b_io_length = BTOBB(count);
bp->b_fspriv = iclog;
XFS_BUF_ZEROFLAGS(bp);
@@ -1550,19 +1763,6 @@ xlog_sync(xlog_t *log,
bp->b_flags |= XBF_SYNCIO;
if (log->l_mp->m_flags & XFS_MOUNT_BARRIER)
bp->b_flags |= XBF_FUA;
- dptr = bp->b_addr;
- /*
- * Bump the cycle numbers at the start of each block
- * since this part of the buffer is at the start of
- * a new cycle. Watch out for the header magic number
- * case, though.
- */
- 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;
- }
ASSERT(XFS_BUF_ADDR(bp) <= log->l_logBBsize-1);
ASSERT(XFS_BUF_ADDR(bp) + BTOBB(count) <= log->l_logBBsize);
@@ -1579,12 +1779,12 @@ xlog_sync(xlog_t *log,
return 0;
} /* xlog_sync */
-
/*
* Deallocate a log structure
*/
STATIC void
-xlog_dealloc_log(xlog_t *log)
+xlog_dealloc_log(
+ struct xlog *log)
{
xlog_in_core_t *iclog, *next_iclog;
int i;
@@ -1616,10 +1816,11 @@ xlog_dealloc_log(xlog_t *log)
*/
/* ARGSUSED */
static inline void
-xlog_state_finish_copy(xlog_t *log,
- xlog_in_core_t *iclog,
- int record_cnt,
- int copy_bytes)
+xlog_state_finish_copy(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ int record_cnt,
+ int copy_bytes)
{
spin_lock(&log->l_icloglock);
@@ -2142,7 +2343,8 @@ xlog_write(
* State Change: DIRTY -> ACTIVE
*/
STATIC void
-xlog_state_clean_log(xlog_t *log)
+xlog_state_clean_log(
+ struct xlog *log)
{
xlog_in_core_t *iclog;
int changed = 0;
@@ -2222,7 +2424,7 @@ xlog_state_clean_log(xlog_t *log)
STATIC xfs_lsn_t
xlog_get_lowest_lsn(
- xlog_t *log)
+ struct xlog *log)
{
xlog_in_core_t *lsn_log;
xfs_lsn_t lowest_lsn, lsn;
@@ -2245,9 +2447,9 @@ xlog_get_lowest_lsn(
STATIC void
xlog_state_do_callback(
- xlog_t *log,
- int aborted,
- xlog_in_core_t *ciclog)
+ struct xlog *log,
+ int aborted,
+ struct xlog_in_core *ciclog)
{
xlog_in_core_t *iclog;
xlog_in_core_t *first_iclog; /* used to know when we've
@@ -2345,14 +2547,27 @@ xlog_state_do_callback(
/*
- * update the last_sync_lsn before we drop the
+ * Completion of a iclog IO does not imply that
+ * a transaction has completed, as transactions
+ * can be large enough to span many iclogs. We
+ * cannot change the tail of the log half way
+ * through a transaction as this may be the only
+ * transaction in the log and moving th etail to
+ * point to the middle of it will prevent
+ * recovery from finding the start of the
+ * transaction. Hence we should only update the
+ * last_sync_lsn if this iclog contains
+ * transaction completion callbacks on it.
+ *
+ * We have to do this before we drop the
* icloglock to ensure we are the only one that
* can update it.
*/
ASSERT(XFS_LSN_CMP(atomic64_read(&log->l_last_sync_lsn),
be64_to_cpu(iclog->ic_header.h_lsn)) <= 0);
- atomic64_set(&log->l_last_sync_lsn,
- be64_to_cpu(iclog->ic_header.h_lsn));
+ if (iclog->ic_callback)
+ atomic64_set(&log->l_last_sync_lsn,
+ be64_to_cpu(iclog->ic_header.h_lsn));
} else
ioerrors++;
@@ -2467,7 +2682,7 @@ xlog_state_done_syncing(
xlog_in_core_t *iclog,
int aborted)
{
- xlog_t *log = iclog->ic_log;
+ struct xlog *log = iclog->ic_log;
spin_lock(&log->l_icloglock);
@@ -2521,12 +2736,13 @@ xlog_state_done_syncing(
* is copied.
*/
STATIC int
-xlog_state_get_iclog_space(xlog_t *log,
- int len,
- xlog_in_core_t **iclogp,
- xlog_ticket_t *ticket,
- int *continued_write,
- int *logoffsetp)
+xlog_state_get_iclog_space(
+ struct xlog *log,
+ int len,
+ struct xlog_in_core **iclogp,
+ struct xlog_ticket *ticket,
+ int *continued_write,
+ int *logoffsetp)
{
int log_offset;
xlog_rec_header_t *head;
@@ -2631,8 +2847,9 @@ restart:
* move grant reservation head forward.
*/
STATIC void
-xlog_regrant_reserve_log_space(xlog_t *log,
- xlog_ticket_t *ticket)
+xlog_regrant_reserve_log_space(
+ struct xlog *log,
+ struct xlog_ticket *ticket)
{
trace_xfs_log_regrant_reserve_enter(log, ticket);
@@ -2677,8 +2894,9 @@ xlog_regrant_reserve_log_space(xlog_t *log,
* in the current reservation field.
*/
STATIC void
-xlog_ungrant_log_space(xlog_t *log,
- xlog_ticket_t *ticket)
+xlog_ungrant_log_space(
+ struct xlog *log,
+ struct xlog_ticket *ticket)
{
int bytes;
@@ -2717,8 +2935,8 @@ xlog_ungrant_log_space(xlog_t *log,
*/
STATIC int
xlog_state_release_iclog(
- xlog_t *log,
- xlog_in_core_t *iclog)
+ struct xlog *log,
+ struct xlog_in_core *iclog)
{
int sync = 0; /* do we sync? */
@@ -2768,9 +2986,10 @@ xlog_state_release_iclog(
* that every data block. We have run out of space in this log record.
*/
STATIC void
-xlog_state_switch_iclogs(xlog_t *log,
- xlog_in_core_t *iclog,
- int eventual_size)
+xlog_state_switch_iclogs(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ int eventual_size)
{
ASSERT(iclog->ic_state == XLOG_STATE_ACTIVE);
if (!eventual_size)
@@ -3114,7 +3333,9 @@ xfs_log_force_lsn(
* disk.
*/
STATIC void
-xlog_state_want_sync(xlog_t *log, xlog_in_core_t *iclog)
+xlog_state_want_sync(
+ struct xlog *log,
+ struct xlog_in_core *iclog)
{
assert_spin_locked(&log->l_icloglock);
@@ -3158,7 +3379,7 @@ xfs_log_ticket_get(
/*
* Allocate and initialise a new log ticket.
*/
-xlog_ticket_t *
+struct xlog_ticket *
xlog_ticket_alloc(
struct xlog *log,
int unit_bytes,
@@ -3346,9 +3567,10 @@ xlog_verify_grant_tail(
/* check if it will fit */
STATIC void
-xlog_verify_tail_lsn(xlog_t *log,
- xlog_in_core_t *iclog,
- xfs_lsn_t tail_lsn)
+xlog_verify_tail_lsn(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ xfs_lsn_t tail_lsn)
{
int blocks;
@@ -3385,10 +3607,11 @@ xlog_verify_tail_lsn(xlog_t *log,
* the cycle numbers agree with the current cycle number.
*/
STATIC void
-xlog_verify_iclog(xlog_t *log,
- xlog_in_core_t *iclog,
- int count,
- boolean_t syncing)
+xlog_verify_iclog(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ int count,
+ boolean_t syncing)
{
xlog_op_header_t *ophead;
xlog_in_core_t *icptr;
@@ -3482,7 +3705,7 @@ xlog_verify_iclog(xlog_t *log,
*/
STATIC int
xlog_state_ioerror(
- xlog_t *log)
+ struct xlog *log)
{
xlog_in_core_t *iclog, *ic;
@@ -3527,7 +3750,7 @@ xfs_log_force_umount(
struct xfs_mount *mp,
int logerror)
{
- xlog_t *log;
+ struct xlog *log;
int retval;
log = mp->m_log;
@@ -3634,7 +3857,8 @@ xfs_log_force_umount(
}
STATIC int
-xlog_iclogs_empty(xlog_t *log)
+xlog_iclogs_empty(
+ struct xlog *log)
{
xlog_in_core_t *iclog;
@@ -3649,3 +3873,4 @@ xlog_iclogs_empty(xlog_t *log)
} while (iclog != log->l_iclog);
return 1;
}
+