[4/9] xfs: simplify rt bitmap/summary block accessor functions

Message ID	169773211785.225862.13461442481976640889.stgit@frogsfrogsfrogs (mailing list archive)
State	Superseded, archived
Headers	show Return-Path: <linux-xfs-owner@vger.kernel.org> Date: Thu, 19 Oct 2023 09:29:37 -0700 Subject: [PATCH 4/9] xfs: simplify rt bitmap/summary block accessor functions From: "Darrick J. Wong" <djwong@kernel.org> To: djwong@kernel.org Cc: Christoph Hellwig <hch@lst.de>, linux-xfs@vger.kernel.org, osandov@osandov.com, osandov@fb.com, hch@lst.de Message-ID: <169773211785.225862.13461442481976640889.stgit@frogsfrogsfrogs> In-Reply-To: <169773211712.225862.9408784830071081083.stgit@frogsfrogsfrogs> References: <169773211712.225862.9408784830071081083.stgit@frogsfrogsfrogs> User-Agent: StGit/0.19 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk
Series	xfs: CPU usage optimizations for realtime allocator \| expand [PATCHSET,v2.3,0/9] xfs: CPU usage optimizations for realtime allocator [1/9] xfs: consolidate realtime allocation arguments [2/9] xfs: cache last bitmap block in realtime allocator [3/9] xfs: simplify xfs_rtbuf_get calling conventions [4/9] xfs: simplify rt bitmap/summary block accessor functions [5/9] xfs: invert the realtime summary cache [6/9] xfs: return maximum free size from xfs_rtany_summary() [7/9] xfs: limit maxlen based on available space in xfs_rtallocate_extent_near() [8/9] xfs: don't try redundant allocations in xfs_rtallocate_extent_near() [9/9] xfs: don't look for end of extent further than necessary in xfs_rtallocate_extent_near()

diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c index 9867a6f8f56e..9f806af4f720 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.c +++ b/fs/xfs/libxfs/xfs_rtbitmap.c @@ -173,7 +173,7 @@ xfs_rtfind_back( * Compute match value, based on the bit at start: if 1 (free) * then all-ones, else all-zeroes. */ - incore = xfs_rtbitmap_getword(args->rbmbp, word); + incore = xfs_rtbitmap_getword(args, word); want = (incore & ((xfs_rtword_t)1 << bit)) ? -1 : 0; /* * If the starting position is not word-aligned, deal with the @@ -228,7 +228,7 @@ xfs_rtfind_back( /* * Compute difference between actual and desired value. */ - incore = xfs_rtbitmap_getword(args->rbmbp, word); + incore = xfs_rtbitmap_getword(args, word); if ((wdiff = incore ^ want)) { /* * Different, mark where we are and return. @@ -267,7 +267,7 @@ xfs_rtfind_back( /* * Compute difference between actual and desired value. */ - incore = xfs_rtbitmap_getword(args->rbmbp, word); + incore = xfs_rtbitmap_getword(args, word); if ((wdiff = (incore ^ want) & mask)) { /* * Different, mark where we are and return. @@ -327,7 +327,7 @@ xfs_rtfind_forw( * Compute match value, based on the bit at start: if 1 (free) * then all-ones, else all-zeroes. */ - incore = xfs_rtbitmap_getword(args->rbmbp, word); + incore = xfs_rtbitmap_getword(args, word); want = (incore & ((xfs_rtword_t)1 << bit)) ? -1 : 0; /* * If the starting position is not word-aligned, deal with the @@ -381,7 +381,7 @@ xfs_rtfind_forw( /* * Compute difference between actual and desired value. */ - incore = xfs_rtbitmap_getword(args->rbmbp, word); + incore = xfs_rtbitmap_getword(args, word); if ((wdiff = incore ^ want)) { /* * Different, mark where we are and return. @@ -418,7 +418,7 @@ xfs_rtfind_forw( /* * Compute difference between actual and desired value. */ - incore = xfs_rtbitmap_getword(args->rbmbp, word); + incore = xfs_rtbitmap_getword(args, word); if ((wdiff = (incore ^ want) & mask)) { /* * Different, mark where we are and return. @@ -439,16 +439,16 @@ xfs_rtfind_forw( /* Log rtsummary counter at @infoword. */ static inline void xfs_trans_log_rtsummary( - struct xfs_trans *tp, - struct xfs_buf *bp, + struct xfs_rtalloc_args *args, unsigned int infoword) { + struct xfs_buf *bp = args->sumbp; size_t first, last; - first = (void *)xfs_rsumblock_infoptr(bp, infoword) - bp->b_addr; + first = (void *)xfs_rsumblock_infoptr(args, infoword) - bp->b_addr; last = first + sizeof(xfs_suminfo_t) - 1; - xfs_trans_log_buf(tp, bp, first, last); + xfs_trans_log_buf(args->tp, bp, first, last); } /* @@ -492,8 +492,7 @@ xfs_rtmodify_summary_int( */ infoword = xfs_rtsumoffs_to_infoword(mp, so); if (delta) { - xfs_suminfo_t val = xfs_suminfo_add(args->sumbp, infoword, - delta); + xfs_suminfo_t val = xfs_suminfo_add(args, infoword, delta); if (mp->m_rsum_cache) { if (val == 0 && log == mp->m_rsum_cache[bbno]) @@ -501,11 +500,11 @@ xfs_rtmodify_summary_int( if (val != 0 && log < mp->m_rsum_cache[bbno]) mp->m_rsum_cache[bbno] = log; } - xfs_trans_log_rtsummary(args->tp, args->sumbp, infoword); + xfs_trans_log_rtsummary(args, infoword); if (sum) *sum = val; } else if (sum) { - *sum = xfs_suminfo_get(args->sumbp, infoword); + *sum = xfs_suminfo_get(args, infoword); } return 0; } @@ -523,17 +522,17 @@ xfs_rtmodify_summary( /* Log rtbitmap block from the word @from to the byte before @next. */ static inline void xfs_trans_log_rtbitmap( - struct xfs_trans *tp, - struct xfs_buf *bp, + struct xfs_rtalloc_args *args, unsigned int from, unsigned int next) { + struct xfs_buf *bp = args->rbmbp; size_t first, last; - first = (void *)xfs_rbmblock_wordptr(bp, from) - bp->b_addr; - last = ((void *)xfs_rbmblock_wordptr(bp, next) - 1) - bp->b_addr; + first = (void *)xfs_rbmblock_wordptr(args, from) - bp->b_addr; + last = ((void *)xfs_rbmblock_wordptr(args, next) - 1) - bp->b_addr; - xfs_trans_log_buf(tp, bp, first, last); + xfs_trans_log_buf(args->tp, bp, first, last); } /* @@ -591,12 +590,12 @@ xfs_rtmodify_range( /* * Set/clear the active bits. */ - incore = xfs_rtbitmap_getword(args->rbmbp, word); + incore = xfs_rtbitmap_getword(args, word); if (val) incore |= mask; else incore &= ~mask; - xfs_rtbitmap_setword(args->rbmbp, word, incore); + xfs_rtbitmap_setword(args, word, incore); i = lastbit - bit; /* * Go on to the next block if that's where the next word is @@ -607,8 +606,7 @@ xfs_rtmodify_range( * Log the changed part of this block. * Get the next one. */ - xfs_trans_log_rtbitmap(args->tp, args->rbmbp, firstword, - word); + xfs_trans_log_rtbitmap(args, firstword, word); error = xfs_rtbitmap_read_buf(args, ++block); if (error) return error; @@ -629,7 +627,7 @@ xfs_rtmodify_range( /* * Set the word value correctly. */ - xfs_rtbitmap_setword(args->rbmbp, word, val); + xfs_rtbitmap_setword(args, word, val); i += XFS_NBWORD; /* * Go on to the next block if that's where the next word is @@ -640,8 +638,7 @@ xfs_rtmodify_range( * Log the changed part of this block. * Get the next one. */ - xfs_trans_log_rtbitmap(args->tp, args->rbmbp, firstword, - word); + xfs_trans_log_rtbitmap(args, firstword, word); error = xfs_rtbitmap_read_buf(args, ++block); if (error) return error; @@ -661,19 +658,19 @@ xfs_rtmodify_range( /* * Set/clear the active bits. */ - incore = xfs_rtbitmap_getword(args->rbmbp, word); + incore = xfs_rtbitmap_getword(args, word); if (val) incore |= mask; else incore &= ~mask; - xfs_rtbitmap_setword(args->rbmbp, word, incore); + xfs_rtbitmap_setword(args, word, incore); word++; } /* * Log any remaining changed bytes. */ if (word > firstword) - xfs_trans_log_rtbitmap(args->tp, args->rbmbp, firstword, word); + xfs_trans_log_rtbitmap(args, firstword, word); return 0; } @@ -810,7 +807,7 @@ xfs_rtcheck_range( /* * Compute difference between actual and desired value. */ - incore = xfs_rtbitmap_getword(args->rbmbp, word); + incore = xfs_rtbitmap_getword(args, word); if ((wdiff = (incore ^ val) & mask)) { /* * Different, compute first wrong bit and return. @@ -849,7 +846,7 @@ xfs_rtcheck_range( /* * Compute difference between actual and desired value. */ - incore = xfs_rtbitmap_getword(args->rbmbp, word); + incore = xfs_rtbitmap_getword(args, word); if ((wdiff = incore ^ val)) { /* * Different, compute first wrong bit and return. @@ -887,7 +884,7 @@ xfs_rtcheck_range( /* * Compute difference between actual and desired value. */ - incore = xfs_rtbitmap_getword(args->rbmbp, word); + incore = xfs_rtbitmap_getword(args, word); if ((wdiff = (incore ^ val) & mask)) { /* * Different, compute first wrong bit and return. diff --git a/fs/xfs/libxfs/xfs_rtbitmap.h b/fs/xfs/libxfs/xfs_rtbitmap.h index 3bda0c175812..c0637057d69c 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.h +++ b/fs/xfs/libxfs/xfs_rtbitmap.h @@ -172,10 +172,10 @@ xfs_rbmblock_to_rtx( /* Return a pointer to a bitmap word within a rt bitmap block. */ static inline union xfs_rtword_raw * xfs_rbmblock_wordptr( - struct xfs_buf *bp, + struct xfs_rtalloc_args *args, unsigned int index) { - union xfs_rtword_raw *words = bp->b_addr; + union xfs_rtword_raw *words = args->rbmbp->b_addr; return words + index; } @@ -183,10 +183,10 @@ xfs_rbmblock_wordptr( /* Convert an ondisk bitmap word to its incore representation. */ static inline xfs_rtword_t xfs_rtbitmap_getword( - struct xfs_buf *bp, + struct xfs_rtalloc_args *args, unsigned int index) { - union xfs_rtword_raw *word = xfs_rbmblock_wordptr(bp, index); + union xfs_rtword_raw *word = xfs_rbmblock_wordptr(args, index); return word->old; } @@ -194,11 +194,11 @@ xfs_rtbitmap_getword( /* Set an ondisk bitmap word from an incore representation. */ static inline void xfs_rtbitmap_setword( - struct xfs_buf *bp, + struct xfs_rtalloc_args *args, unsigned int index, xfs_rtword_t value) { - union xfs_rtword_raw *word = xfs_rbmblock_wordptr(bp, index); + union xfs_rtword_raw *word = xfs_rbmblock_wordptr(args, index); word->old = value; } @@ -245,10 +245,10 @@ xfs_rtsumoffs_to_infoword( /* Return a pointer to a summary info word within a rt summary block. */ static inline union xfs_suminfo_raw * xfs_rsumblock_infoptr( - struct xfs_buf *bp, + struct xfs_rtalloc_args *args, unsigned int index) { - union xfs_suminfo_raw *info = bp->b_addr; + union xfs_suminfo_raw *info = args->sumbp->b_addr; return info + index; } @@ -256,10 +256,10 @@ xfs_rsumblock_infoptr( /* Get the current value of a summary counter. */ static inline xfs_suminfo_t xfs_suminfo_get( - struct xfs_buf *bp, + struct xfs_rtalloc_args *args, unsigned int index) { - union xfs_suminfo_raw *info = xfs_rsumblock_infoptr(bp, index); + union xfs_suminfo_raw *info = xfs_rsumblock_infoptr(args, index); return info->old; } @@ -267,11 +267,11 @@ xfs_suminfo_get( /* Add to the current value of a summary counter and return the new value. */ static inline xfs_suminfo_t xfs_suminfo_add( - struct xfs_buf *bp, + struct xfs_rtalloc_args *args, unsigned int index, int delta) { - union xfs_suminfo_raw *info = xfs_rsumblock_infoptr(bp, index); + union xfs_suminfo_raw *info = xfs_rsumblock_infoptr(args, index); info->old += delta; return info->old; diff --git a/fs/xfs/scrub/rtsummary.c b/fs/xfs/scrub/rtsummary.c index cc5ae050dfb2..8b15c47408d0 100644 --- a/fs/xfs/scrub/rtsummary.c +++ b/fs/xfs/scrub/rtsummary.c @@ -231,7 +231,7 @@ xchk_rtsum_compare( return error; } - ondisk_info = xfs_rsumblock_infoptr(args.sumbp, 0); + ondisk_info = xfs_rsumblock_infoptr(&args, 0); if (memcmp(ondisk_info, sc->buf, mp->m_blockwsize << XFS_WORDLOG) != 0) xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, off);

[4/9] xfs: simplify rt bitmap/summary block accessor functions

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