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f2fs: add some tracepoints to debug volatile and atomic writes

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Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2015-03-17 17:58:08 -07:00
parent 3c6c2bebef
commit 8ce67cb07d
4 changed files with 36 additions and 1 deletions
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fs/f2fs/segment.c
+4
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@@ -205,6 +205,8 @@ retry:
list_add_tail(&new->list, &fi->inmem_pages);
inc_page_count(F2FS_I_SB(inode), F2FS_INMEM_PAGES);
mutex_unlock(&fi->inmem_lock);
trace_f2fs_register_inmem_page(page, INMEM);
}
void commit_inmem_pages(struct inode *inode, bool abort)
@@ -238,11 +240,13 @@ void commit_inmem_pages(struct inode *inode, bool abort)
f2fs_wait_on_page_writeback(cur->page, DATA);
if (clear_page_dirty_for_io(cur->page))
inode_dec_dirty_pages(inode);
trace_f2fs_commit_inmem_page(cur->page, INMEM);
do_write_data_page(cur->page, &fio);
submit_bio = true;
}
f2fs_put_page(cur->page, 1);
} else {
trace_f2fs_commit_inmem_page(cur->page, INMEM_DROP);
put_page(cur->page);
}
radix_tree_delete(&fi->inmem_root, cur->page->index);