diff options
Diffstat (limited to 'fs/xfs/xfs_trans_buf.c')
-rw-r--r-- | fs/xfs/xfs_trans_buf.c | 118 |
1 files changed, 51 insertions, 67 deletions
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c index 03b3b7f85a3b..15584fc3ed7d 100644 --- a/fs/xfs/xfs_trans_buf.c +++ b/fs/xfs/xfs_trans_buf.c @@ -81,7 +81,7 @@ _xfs_trans_bjoin( struct xfs_buf_log_item *bip; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, void *) == NULL); + ASSERT(bp->b_transp == NULL); /* * The xfs_buf_log_item pointer is stored in b_fsprivate. If @@ -89,7 +89,7 @@ _xfs_trans_bjoin( * The checks to see if one is there are in xfs_buf_item_init(). */ xfs_buf_item_init(bp, tp->t_mountp); - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + bip = bp->b_fspriv; ASSERT(!(bip->bli_flags & XFS_BLI_STALE)); ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL)); ASSERT(!(bip->bli_flags & XFS_BLI_LOGGED)); @@ -110,7 +110,7 @@ _xfs_trans_bjoin( * Initialize b_fsprivate2 so we can find it with incore_match() * in xfs_trans_get_buf() and friends above. */ - XFS_BUF_SET_FSPRIVATE2(bp, tp); + bp->b_transp = tp; } @@ -160,7 +160,7 @@ xfs_trans_get_buf(xfs_trans_t *tp, */ bp = xfs_trans_buf_item_match(tp, target_dev, blkno, len); if (bp != NULL) { - ASSERT(XFS_BUF_VALUSEMA(bp) <= 0); + ASSERT(xfs_buf_islocked(bp)); if (XFS_FORCED_SHUTDOWN(tp->t_mountp)) XFS_BUF_SUPER_STALE(bp); @@ -172,8 +172,8 @@ xfs_trans_get_buf(xfs_trans_t *tp, else if (XFS_BUF_ISSTALE(bp)) ASSERT(!XFS_BUF_ISDELAYWRITE(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + bip = bp->b_fspriv; ASSERT(bip != NULL); ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_recur++; @@ -232,8 +232,8 @@ xfs_trans_getsb(xfs_trans_t *tp, * recursion count and return the buffer to the caller. */ bp = mp->m_sb_bp; - if (XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp) { - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t*); + if (bp->b_transp == tp) { + bip = bp->b_fspriv; ASSERT(bip != NULL); ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_recur++; @@ -327,9 +327,9 @@ xfs_trans_read_buf( */ bp = xfs_trans_buf_item_match(tp, target, blkno, len); if (bp != NULL) { - ASSERT(XFS_BUF_VALUSEMA(bp) <= 0); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); + ASSERT(xfs_buf_islocked(bp)); + ASSERT(bp->b_transp == tp); + ASSERT(bp->b_fspriv != NULL); ASSERT((XFS_BUF_ISERROR(bp)) == 0); if (!(XFS_BUF_ISDONE(bp))) { trace_xfs_trans_read_buf_io(bp, _RET_IP_); @@ -363,7 +363,7 @@ xfs_trans_read_buf( } - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t*); + bip = bp->b_fspriv; bip->bli_recur++; ASSERT(atomic_read(&bip->bli_refcount) > 0); @@ -460,32 +460,30 @@ xfs_trans_brelse(xfs_trans_t *tp, xfs_buf_t *bp) { xfs_buf_log_item_t *bip; - xfs_log_item_t *lip; /* * Default to a normal brelse() call if the tp is NULL. */ if (tp == NULL) { - ASSERT(XFS_BUF_FSPRIVATE2(bp, void *) == NULL); + struct xfs_log_item *lip = bp->b_fspriv; + + ASSERT(bp->b_transp == NULL); + /* * If there's a buf log item attached to the buffer, * then let the AIL know that the buffer is being * unlocked. */ - if (XFS_BUF_FSPRIVATE(bp, void *) != NULL) { - lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *); - if (lip->li_type == XFS_LI_BUF) { - bip = XFS_BUF_FSPRIVATE(bp,xfs_buf_log_item_t*); - xfs_trans_unlocked_item(bip->bli_item.li_ailp, - lip); - } + if (lip != NULL && lip->li_type == XFS_LI_BUF) { + bip = bp->b_fspriv; + xfs_trans_unlocked_item(bip->bli_item.li_ailp, lip); } xfs_buf_relse(bp); return; } - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + bip = bp->b_fspriv; ASSERT(bip->bli_item.li_type == XFS_LI_BUF); ASSERT(!(bip->bli_flags & XFS_BLI_STALE)); ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL)); @@ -556,7 +554,7 @@ xfs_trans_brelse(xfs_trans_t *tp, xfs_buf_item_relse(bp); bip = NULL; } - XFS_BUF_SET_FSPRIVATE2(bp, NULL); + bp->b_transp = NULL; /* * If we've still got a buf log item on the buffer, then @@ -581,16 +579,15 @@ void xfs_trans_bhold(xfs_trans_t *tp, xfs_buf_t *bp) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(!(bip->bli_flags & XFS_BLI_STALE)); ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL)); ASSERT(atomic_read(&bip->bli_refcount) > 0); + bip->bli_flags |= XFS_BLI_HOLD; trace_xfs_trans_bhold(bip); } @@ -603,19 +600,17 @@ void xfs_trans_bhold_release(xfs_trans_t *tp, xfs_buf_t *bp) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(!(bip->bli_flags & XFS_BLI_STALE)); ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL)); ASSERT(atomic_read(&bip->bli_refcount) > 0); ASSERT(bip->bli_flags & XFS_BLI_HOLD); - bip->bli_flags &= ~XFS_BLI_HOLD; + bip->bli_flags &= ~XFS_BLI_HOLD; trace_xfs_trans_bhold_release(bip); } @@ -634,14 +629,14 @@ xfs_trans_log_buf(xfs_trans_t *tp, uint first, uint last) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT((first <= last) && (last < XFS_BUF_COUNT(bp))); - ASSERT((XFS_BUF_IODONE_FUNC(bp) == NULL) || - (XFS_BUF_IODONE_FUNC(bp) == xfs_buf_iodone_callbacks)); + ASSERT(bp->b_iodone == NULL || + bp->b_iodone == xfs_buf_iodone_callbacks); /* * Mark the buffer as needing to be written out eventually, @@ -656,9 +651,8 @@ xfs_trans_log_buf(xfs_trans_t *tp, XFS_BUF_DELAYWRITE(bp); XFS_BUF_DONE(bp); - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); ASSERT(atomic_read(&bip->bli_refcount) > 0); - XFS_BUF_SET_IODONE_FUNC(bp, xfs_buf_iodone_callbacks); + bp->b_iodone = xfs_buf_iodone_callbacks; bip->bli_item.li_cb = xfs_buf_iodone; trace_xfs_trans_log_buf(bip); @@ -706,13 +700,11 @@ xfs_trans_binval( xfs_trans_t *tp, xfs_buf_t *bp) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(atomic_read(&bip->bli_refcount) > 0); trace_xfs_trans_binval(bip); @@ -780,13 +772,11 @@ xfs_trans_inode_buf( xfs_trans_t *tp, xfs_buf_t *bp) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_flags |= XFS_BLI_INODE_BUF; @@ -806,13 +796,11 @@ xfs_trans_stale_inode_buf( xfs_trans_t *tp, xfs_buf_t *bp) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_flags |= XFS_BLI_STALE_INODE; @@ -833,13 +821,11 @@ xfs_trans_inode_alloc_buf( xfs_trans_t *tp, xfs_buf_t *bp) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_flags |= XFS_BLI_INODE_ALLOC_BUF; @@ -863,16 +849,14 @@ xfs_trans_dquot_buf( xfs_buf_t *bp, uint type) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(type == XFS_BLF_UDQUOT_BUF || type == XFS_BLF_PDQUOT_BUF || type == XFS_BLF_GDQUOT_BUF); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_format.blf_flags |= type; |