xfs_buf_cancel_t *nextp;
xfs_buf_cancel_t *prevp;
xfs_buf_cancel_t **bucket;
- xfs_daddr_t blkno = 0;
- uint len = 0;
- ushort flags = 0;
-
- switch (buf_f->blf_type) {
- case XFS_LI_BUF:
- blkno = buf_f->blf_blkno;
- len = buf_f->blf_len;
- flags = buf_f->blf_flags;
- break;
- }
+ xfs_daddr_t blkno = buf_f->blf_blkno;
+ uint len = buf_f->blf_len;
/*
* If this isn't a cancel buffer item, then just return.
*/
- if (!(flags & XFS_BLF_CANCEL)) {
+ if (!(buf_f->blf_flags & XFS_BLF_CANCEL)) {
trace_xfs_log_recover_buf_not_cancel(log, buf_f);
return;
}
return 0;
}
-STATIC int
-xlog_recover_do_buffer_pass2(
- xlog_t *log,
- xfs_buf_log_format_t *buf_f)
-{
- xfs_daddr_t blkno = 0;
- ushort flags = 0;
- uint len = 0;
-
- switch (buf_f->blf_type) {
- case XFS_LI_BUF:
- blkno = buf_f->blf_blkno;
- flags = buf_f->blf_flags;
- len = buf_f->blf_len;
- break;
- }
-
- return xlog_check_buffer_cancelled(log, blkno, len, flags);
-}
-
/*
- * Perform recovery for a buffer full of inodes. In these buffers,
- * the only data which should be recovered is that which corresponds
- * to the di_next_unlinked pointers in the on disk inode structures.
- * The rest of the data for the inodes is always logged through the
- * inodes themselves rather than the inode buffer and is recovered
- * in xlog_recover_do_inode_trans().
+ * Perform recovery for a buffer full of inodes. In these buffers, the only
+ * data which should be recovered is that which corresponds to the
+ * di_next_unlinked pointers in the on disk inode structures. The rest of the
+ * data for the inodes is always logged through the inodes themselves rather
+ * than the inode buffer and is recovered in xlog_recover_inode_pass2().
*
- * The only time when buffers full of inodes are fully recovered is
- * when the buffer is full of newly allocated inodes. In this case
- * the buffer will not be marked as an inode buffer and so will be
- * sent to xlog_recover_do_reg_buffer() below during recovery.
+ * The only time when buffers full of inodes are fully recovered is when the
+ * buffer is full of newly allocated inodes. In this case the buffer will
+ * not be marked as an inode buffer and so will be sent to
+ * xlog_recover_do_reg_buffer() below during recovery.
*/
STATIC int
xlog_recover_do_inode_buffer(
- xfs_mount_t *mp,
+ struct xfs_mount *mp,
xlog_recover_item_t *item,
- xfs_buf_t *bp,
+ struct xfs_buf *bp,
xfs_buf_log_format_t *buf_f)
{
int i;
- int item_index;
- int bit;
- int nbits;
- int reg_buf_offset;
- int reg_buf_bytes;
+ int item_index = 0;
+ int bit = 0;
+ int nbits = 0;
+ int reg_buf_offset = 0;
+ int reg_buf_bytes = 0;
int next_unlinked_offset;
int inodes_per_buf;
xfs_agino_t *logged_nextp;
xfs_agino_t *buffer_nextp;
- unsigned int *data_map = NULL;
- unsigned int map_size = 0;
trace_xfs_log_recover_buf_inode_buf(mp->m_log, buf_f);
- switch (buf_f->blf_type) {
- case XFS_LI_BUF:
- data_map = buf_f->blf_data_map;
- map_size = buf_f->blf_map_size;
- break;
- }
- /*
- * Set the variables corresponding to the current region to
- * 0 so that we'll initialize them on the first pass through
- * the loop.
- */
- reg_buf_offset = 0;
- reg_buf_bytes = 0;
- bit = 0;
- nbits = 0;
- item_index = 0;
inodes_per_buf = XFS_BUF_COUNT(bp) >> mp->m_sb.sb_inodelog;
for (i = 0; i < inodes_per_buf; i++) {
next_unlinked_offset = (i * mp->m_sb.sb_inodesize) +
* the current di_next_unlinked field.
*/
bit += nbits;
- bit = xfs_next_bit(data_map, map_size, bit);
+ bit = xfs_next_bit(buf_f->blf_data_map,
+ buf_f->blf_map_size, bit);
/*
* If there are no more logged regions in the
* buffer, then we're done.
*/
- if (bit == -1) {
+ if (bit == -1)
return 0;
- }
- nbits = xfs_contig_bits(data_map, map_size,
- bit);
+ nbits = xfs_contig_bits(buf_f->blf_data_map,
+ buf_f->blf_map_size, bit);
ASSERT(nbits > 0);
reg_buf_offset = bit << XFS_BLF_SHIFT;
reg_buf_bytes = nbits << XFS_BLF_SHIFT;
* di_next_unlinked field, then move on to the next
* di_next_unlinked field.
*/
- if (next_unlinked_offset < reg_buf_offset) {
+ if (next_unlinked_offset < reg_buf_offset)
continue;
- }
ASSERT(item->ri_buf[item_index].i_addr != NULL);
ASSERT((item->ri_buf[item_index].i_len % XFS_BLF_CHUNK) == 0);
* given buffer. The bitmap in the buf log format structure indicates
* where to place the logged data.
*/
-/*ARGSUSED*/
STATIC void
xlog_recover_do_reg_buffer(
struct xfs_mount *mp,
xlog_recover_item_t *item,
- xfs_buf_t *bp,
+ struct xfs_buf *bp,
xfs_buf_log_format_t *buf_f)
{
int i;
int bit;
int nbits;
- unsigned int *data_map = NULL;
- unsigned int map_size = 0;
int error;
trace_xfs_log_recover_buf_reg_buf(mp->m_log, buf_f);
- switch (buf_f->blf_type) {
- case XFS_LI_BUF:
- data_map = buf_f->blf_data_map;
- map_size = buf_f->blf_map_size;
- break;
- }
bit = 0;
i = 1; /* 0 is the buf format structure */
while (1) {
- bit = xfs_next_bit(data_map, map_size, bit);
+ bit = xfs_next_bit(buf_f->blf_data_map,
+ buf_f->blf_map_size, bit);
if (bit == -1)
break;
- nbits = xfs_contig_bits(data_map, map_size, bit);
+ nbits = xfs_contig_bits(buf_f->blf_data_map,
+ buf_f->blf_map_size, bit);
ASSERT(nbits > 0);
ASSERT(item->ri_buf[i].i_addr != NULL);
ASSERT(item->ri_buf[i].i_len % XFS_BLF_CHUNK == 0);
int pass)
{
xfs_buf_log_format_t *buf_f = item->ri_buf[0].i_addr;
- xfs_mount_t *mp;
+ xfs_mount_t *mp = log->l_mp;
xfs_buf_t *bp;
int error;
- int cancel;
- xfs_daddr_t blkno;
- int len;
- ushort flags;
uint buf_flags;
if (pass == XLOG_RECOVER_PASS1) {
* we call here will tell us whether or not to
* continue with the replay of this buffer.
*/
- cancel = xlog_recover_do_buffer_pass2(log, buf_f);
- if (cancel) {
+ if (xlog_check_buffer_cancelled(log, buf_f->blf_blkno,
+ buf_f->blf_len, buf_f->blf_flags)) {
trace_xfs_log_recover_buf_cancel(log, buf_f);
return 0;
}
}
trace_xfs_log_recover_buf_recover(log, buf_f);
- switch (buf_f->blf_type) {
- case XFS_LI_BUF:
- blkno = buf_f->blf_blkno;
- len = buf_f->blf_len;
- flags = buf_f->blf_flags;
- break;
- default:
- xfs_fs_cmn_err(CE_ALERT, log->l_mp,
- "xfs_log_recover: unknown buffer type 0x%x, logdev %s",
- buf_f->blf_type, log->l_mp->m_logname ?
- log->l_mp->m_logname : "internal");
- XFS_ERROR_REPORT("xlog_recover_do_buffer_trans",
- XFS_ERRLEVEL_LOW, log->l_mp);
- return XFS_ERROR(EFSCORRUPTED);
- }
- mp = log->l_mp;
buf_flags = XBF_LOCK;
- if (!(flags & XFS_BLF_INODE_BUF))
+ if (!(buf_f->blf_flags & XFS_BLF_INODE_BUF))
buf_flags |= XBF_MAPPED;
- bp = xfs_buf_read(mp->m_ddev_targp, blkno, len, buf_flags);
+ bp = xfs_buf_read(mp->m_ddev_targp, buf_f->blf_blkno, buf_f->blf_len,
+ buf_flags);
if (XFS_BUF_ISERROR(bp)) {
- xfs_ioerror_alert("xlog_recover_do..(read#1)", log->l_mp,
- bp, blkno);
+ xfs_ioerror_alert("xlog_recover_do..(read#1)", mp,
+ bp, buf_f->blf_blkno);
error = XFS_BUF_GETERROR(bp);
xfs_buf_relse(bp);
return error;
}
error = 0;
- if (flags & XFS_BLF_INODE_BUF) {
+ if (buf_f->blf_flags & XFS_BLF_INODE_BUF) {
error = xlog_recover_do_inode_buffer(mp, item, bp, buf_f);
- } else if (flags &
+ } else if (buf_f->blf_flags &
(XFS_BLF_UDQUOT_BUF|XFS_BLF_PDQUOT_BUF|XFS_BLF_GDQUOT_BUF)) {
xlog_recover_do_dquot_buffer(mp, log, item, bp, buf_f);
} else {
projects / firefly-linux-kernel-4.4.55.git / commitdiff