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staging: erofs: fix `trace_erofs_readpage' position 

`trace_erofs_readpage' was designed for .readpage() interface hook
in order to trace the detailed synchronized read rather than
the internal implementation `z_erofs_do_read_page' which both
.readpage() and .readpages() use.

It seems the tracepoint was placed to a wrong place by mistake and
it should be moved to the right place.

Fixes: 284db12cfd ("staging: erofs: add trace points for reading zipped data")
Reviewed-by: Chen Gong <gongchen4@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gao Xiang 2018-11-23 01:15:58 +08:00 committed by Greg Kroah-Hartman
parent 9e3bc2b0f4
commit ba9ce771b0
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/erofs/unzip_vle.c
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@ -598,8 +598,6 @@ static int z_erofs_do_read_page(struct z_erofs_vle_frontend *fe,
unsigned int cur, end, spiltted, index;
int err = 0;
trace_erofs_readpage(page, false);
/* register locked file pages as online pages in pack */
z_erofs_onlinepage_init(page);
@ -1288,6 +1286,8 @@ static int z_erofs_vle_normalaccess_readpage(struct file *file,
int err;
LIST_HEAD(pagepool);
trace_erofs_readpage(page, false);
#if (EROFS_FS_ZIP_CACHE_LVL >= 2)
f.cachedzone_la = (erofs_off_t)page->index << PAGE_SHIFT;
#endif