From: Chao Yu <yuchao0@huawei.com> To: <jaegeuk@kernel.org> Cc: <linux-f2fs-devel@lists.sourceforge.net>, <linux-kernel@vger.kernel.org>, <chao@kernel.org>, Chao Yu <yuchao0@huawei.com> Subject: [PATCH 2/3] f2fs: support to trace f2fs_bmap() Date: Sun, 28 Jun 2020 20:29:39 +0800 [thread overview] Message-ID: <20200628122940.29665-2-yuchao0@huawei.com> (raw) In-Reply-To: <20200628122940.29665-1-yuchao0@huawei.com> to show f2fs_bmap()'s result as below: f2fs_bmap: dev = (251,0), ino = 7, lblock:0, pblock:396800 Signed-off-by: Chao Yu <yuchao0@huawei.com> --- fs/f2fs/data.c | 14 +++++++++++--- include/trace/events/f2fs.h | 27 +++++++++++++++++++++++++++ 2 files changed, 38 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 91dc7b598961..c07a50e4d967 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -3713,18 +3713,26 @@ static sector_t f2fs_bmap_compress(struct inode *inode, sector_t block) static sector_t f2fs_bmap(struct address_space *mapping, sector_t block) { struct inode *inode = mapping->host; + struct buffer_head tmp = { + .b_size = i_blocksize(inode), + }; + sector_t blknr = 0; if (f2fs_has_inline_data(inode)) - return 0; + goto out; /* make sure allocating whole blocks */ if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) filemap_write_and_wait(mapping); if (f2fs_compressed_file(inode)) - return f2fs_bmap_compress(inode, block); + blknr = f2fs_bmap_compress(inode, block); - return generic_block_bmap(mapping, block, get_data_block_bmap); + if (!get_data_block_bmap(inode, block, &tmp, 0)) + blknr = tmp.b_blocknr; +out: + trace_f2fs_bmap(inode, block, blknr); + return blknr; } #ifdef CONFIG_MIGRATION diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 8639ab962a71..3d844c51d283 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -1891,6 +1891,33 @@ TRACE_EVENT(f2fs_iostat, __entry->fs_cdrio, __entry->fs_nrio, __entry->fs_mrio) ); +TRACE_EVENT(f2fs_bmap, + + TP_PROTO(struct inode *inode, sector_t lblock, sector_t pblock), + + TP_ARGS(inode, lblock, pblock), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __field(sector_t, lblock) + __field(sector_t, pblock) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->lblock = lblock; + __entry->pblock = pblock; + ), + + TP_printk("dev = (%d,%d), ino = %lu, lblock:%lld, pblock:%lld", + show_dev(__entry->dev), + __entry->ino, + (unsigned long long)__entry->lblock, + (unsigned long long)__entry->pblock) +); + #endif /* _TRACE_F2FS_H */ /* This part must be outside protection */ -- 2.26.2
WARNING: multiple messages have this Message-ID (diff)
From: Chao Yu <yuchao0@huawei.com> To: <jaegeuk@kernel.org> Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Subject: [f2fs-dev] [PATCH 2/3] f2fs: support to trace f2fs_bmap() Date: Sun, 28 Jun 2020 20:29:39 +0800 [thread overview] Message-ID: <20200628122940.29665-2-yuchao0@huawei.com> (raw) In-Reply-To: <20200628122940.29665-1-yuchao0@huawei.com> to show f2fs_bmap()'s result as below: f2fs_bmap: dev = (251,0), ino = 7, lblock:0, pblock:396800 Signed-off-by: Chao Yu <yuchao0@huawei.com> --- fs/f2fs/data.c | 14 +++++++++++--- include/trace/events/f2fs.h | 27 +++++++++++++++++++++++++++ 2 files changed, 38 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 91dc7b598961..c07a50e4d967 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -3713,18 +3713,26 @@ static sector_t f2fs_bmap_compress(struct inode *inode, sector_t block) static sector_t f2fs_bmap(struct address_space *mapping, sector_t block) { struct inode *inode = mapping->host; + struct buffer_head tmp = { + .b_size = i_blocksize(inode), + }; + sector_t blknr = 0; if (f2fs_has_inline_data(inode)) - return 0; + goto out; /* make sure allocating whole blocks */ if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) filemap_write_and_wait(mapping); if (f2fs_compressed_file(inode)) - return f2fs_bmap_compress(inode, block); + blknr = f2fs_bmap_compress(inode, block); - return generic_block_bmap(mapping, block, get_data_block_bmap); + if (!get_data_block_bmap(inode, block, &tmp, 0)) + blknr = tmp.b_blocknr; +out: + trace_f2fs_bmap(inode, block, blknr); + return blknr; } #ifdef CONFIG_MIGRATION diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 8639ab962a71..3d844c51d283 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -1891,6 +1891,33 @@ TRACE_EVENT(f2fs_iostat, __entry->fs_cdrio, __entry->fs_nrio, __entry->fs_mrio) ); +TRACE_EVENT(f2fs_bmap, + + TP_PROTO(struct inode *inode, sector_t lblock, sector_t pblock), + + TP_ARGS(inode, lblock, pblock), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __field(sector_t, lblock) + __field(sector_t, pblock) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->lblock = lblock; + __entry->pblock = pblock; + ), + + TP_printk("dev = (%d,%d), ino = %lu, lblock:%lld, pblock:%lld", + show_dev(__entry->dev), + __entry->ino, + (unsigned long long)__entry->lblock, + (unsigned long long)__entry->pblock) +); + #endif /* _TRACE_F2FS_H */ /* This part must be outside protection */ -- 2.26.2 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
next prev parent reply other threads:[~2020-06-28 12:30 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-06-28 12:29 [PATCH 1/3] f2fs: fix wrong return value of f2fs_bmap_compress() Chao Yu 2020-06-28 12:29 ` [f2fs-dev] " Chao Yu 2020-06-28 12:29 ` Chao Yu [this message] 2020-06-28 12:29 ` [f2fs-dev] [PATCH 2/3] f2fs: support to trace f2fs_bmap() Chao Yu 2020-06-29 11:31 ` kernel test robot 2020-06-29 11:31 ` kernel test robot 2020-07-03 8:58 ` kernel test robot 2020-06-28 12:29 ` [PATCH 3/3] f2fs: support to trace f2fs_fiemap() Chao Yu 2020-06-28 12:29 ` [f2fs-dev] " Chao Yu
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