diff options
author | Christoph Hellwig <hch@lst.de> | 2023-12-18 07:57:27 +0300 |
---|---|---|
committer | Chandan Babu R <chandanbabu@kernel.org> | 2023-12-22 08:48:12 +0300 |
commit | b271b314119eca1fb98a2c4e15304ce562802f0c (patch) | |
tree | addfe3ac83139f51a9379626b0725d84da1a6a36 /fs/xfs/libxfs | |
parent | c2adcfa31ff606264fab6e69129d6d45c9ddb7cb (diff) | |
download | linux-b271b314119eca1fb98a2c4e15304ce562802f0c.tar.xz |
xfs: split xfs_rtmodify_summary_int
Inline the logic of xfs_rtmodify_summary_int into xfs_rtmodify_summary
and xfs_rtget_summary instead of having a somewhat awkward helper to
share a little bit of code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Diffstat (limited to 'fs/xfs/libxfs')
-rw-r--r-- | fs/xfs/libxfs/xfs_rtbitmap.c | 76 |
1 files changed, 25 insertions, 51 deletions
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c index e67f6f763f7d..5773e4ea36c6 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.c +++ b/fs/xfs/libxfs/xfs_rtbitmap.c @@ -452,71 +452,38 @@ xfs_trans_log_rtsummary( } /* - * Read and/or modify the summary information for a given extent size, - * bitmap block combination. - * Keeps track of a current summary block, so we don't keep reading - * it from the buffer cache. - * - * Summary information is returned in *sum if specified. - * If no delta is specified, returns summary only. + * Modify the summary information for a given extent size, bitmap block + * combination. */ int -xfs_rtmodify_summary_int( +xfs_rtmodify_summary( struct xfs_rtalloc_args *args, int log, /* log2 of extent size */ xfs_fileoff_t bbno, /* bitmap block number */ - int delta, /* change to make to summary info */ - xfs_suminfo_t *sum) /* out: summary info for this block */ + int delta) /* in/out: summary block number */ { struct xfs_mount *mp = args->mp; - int error; - xfs_fileoff_t sb; /* summary fsblock */ - xfs_rtsumoff_t so; /* index into the summary file */ + xfs_rtsumoff_t so = xfs_rtsumoffs(mp, log, bbno); unsigned int infoword; + xfs_suminfo_t val; + int error; - /* - * Compute entry number in the summary file. - */ - so = xfs_rtsumoffs(mp, log, bbno); - /* - * Compute the block number in the summary file. - */ - sb = xfs_rtsumoffs_to_block(mp, so); - - error = xfs_rtsummary_read_buf(args, sb); + error = xfs_rtsummary_read_buf(args, xfs_rtsumoffs_to_block(mp, so)); if (error) return error; - /* - * Point to the summary information, modify/log it, and/or copy it out. - */ infoword = xfs_rtsumoffs_to_infoword(mp, so); - if (delta) { - xfs_suminfo_t val = xfs_suminfo_add(args, infoword, delta); - - if (mp->m_rsum_cache) { - if (val == 0 && log + 1 == mp->m_rsum_cache[bbno]) - mp->m_rsum_cache[bbno] = log; - if (val != 0 && log >= mp->m_rsum_cache[bbno]) - mp->m_rsum_cache[bbno] = log + 1; - } - xfs_trans_log_rtsummary(args, infoword); - if (sum) - *sum = val; - } else if (sum) { - *sum = xfs_suminfo_get(args, infoword); + val = xfs_suminfo_add(args, infoword, delta); + + if (mp->m_rsum_cache) { + if (val == 0 && log + 1 == mp->m_rsum_cache[bbno]) + mp->m_rsum_cache[bbno] = log; + if (val != 0 && log >= mp->m_rsum_cache[bbno]) + mp->m_rsum_cache[bbno] = log + 1; } - return 0; -} -int -xfs_rtmodify_summary( - struct xfs_rtalloc_args *args, - int log, /* log2 of extent size */ - xfs_fileoff_t bbno, /* bitmap block number */ - int delta) /* in/out: summary block number */ -{ - return xfs_rtmodify_summary_int(args, log, bbno, delta, NULL); + xfs_trans_log_rtsummary(args, infoword); + return 0; } /* @@ -530,7 +497,14 @@ xfs_rtget_summary( xfs_fileoff_t bbno, /* bitmap block number */ xfs_suminfo_t *sum) /* out: summary info for this block */ { - return xfs_rtmodify_summary_int(args, log, bbno, 0, sum); + struct xfs_mount *mp = args->mp; + xfs_rtsumoff_t so = xfs_rtsumoffs(mp, log, bbno); + int error; + + error = xfs_rtsummary_read_buf(args, xfs_rtsumoffs_to_block(mp, so)); + if (!error) + *sum = xfs_suminfo_get(args, xfs_rtsumoffs_to_infoword(mp, so)); + return error; } /* Log rtbitmap block from the word @from to the byte before @next. */ |