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f2fs: add a tracepoint for f2fs_write_{meta,node,data}_pages

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This patch adds a tracepoint for f2fs_write_{meta,node,data}_pages to trace when
pages are fsyncing/flushing.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Chao Yu
2014-05-06 16:51:24 +08:00
committed by Jaegeuk Kim
parent ecda0de343
commit e574843438
4 changed files with 70 additions and 0 deletions
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fs/f2fs/node.c
+2
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@@ -1242,6 +1242,8 @@ static int f2fs_write_node_pages(struct address_space *mapping,
struct f2fs_sb_info *sbi = F2FS_SB(mapping->host->i_sb);
long diff;
trace_f2fs_writepages(mapping->host, wbc, NODE);
/* balancing f2fs's metadata in background */
f2fs_balance_fs_bg(sbi);