Commit dd5a09bd authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

f2fs: support to trace f2fs_fiemap() 



to show f2fs_fiemap()'s result as below:

f2fs_fiemap: dev = (251,0), ino = 7, lblock:0, pblock:1625292800, len:2097152, flags:0, ret:0

Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent b79b0a31

fs/f2fs/data.c

+5 −1
Original line number Diff line number Diff line
@@ -1813,6 +1813,7 @@ static int f2fs_xattr_fiemap(struct inode *inode, 
			flags |= FIEMAP_EXTENT_LAST;



		err = fiemap_fill_next_extent(fieinfo, 0, phys, len, flags);

		trace_f2fs_fiemap(inode, 0, phys, len, flags, err);

		if (err || err == 1)

			return err;

	}
@@ -1836,8 +1837,10 @@ static int f2fs_xattr_fiemap(struct inode *inode, 
		flags = FIEMAP_EXTENT_LAST;

	}



	if (phys)

	if (phys) {

		err = fiemap_fill_next_extent(fieinfo, 0, phys, len, flags);

		trace_f2fs_fiemap(inode, 0, phys, len, flags, err);

	}



	return (err < 0 ? err : 0);

}
@@ -1931,6 +1934,7 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, 


		ret = fiemap_fill_next_extent(fieinfo, logical,

				phys, size, flags);

		trace_f2fs_fiemap(inode, logical, phys, size, flags, ret);

		if (ret)

			goto out;

		size = 0;

fs/f2fs/inline.c

+2 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 


#include "f2fs.h"

#include "node.h"

#include <trace/events/f2fs.h>



bool f2fs_may_inline_data(struct inode *inode)

{
@@ -776,6 +777,7 @@ int f2fs_inline_data_fiemap(struct inode *inode, 
	byteaddr += (char *)inline_data_addr(inode, ipage) -

					(char *)F2FS_INODE(ipage);

	err = fiemap_fill_next_extent(fieinfo, start, byteaddr, ilen, flags);

	trace_f2fs_fiemap(inode, start, byteaddr, ilen, flags, err);

out:

	f2fs_put_page(ipage, 1);

	return err;

include/trace/events/f2fs.h

+37 −0
Original line number Diff line number Diff line
@@ -1917,6 +1917,43 @@ TRACE_EVENT(f2fs_bmap, 
		(unsigned long long)__entry->pblock)

);



TRACE_EVENT(f2fs_fiemap,



	TP_PROTO(struct inode *inode, sector_t lblock, sector_t pblock,

		unsigned long long len, unsigned int flags, int ret),



	TP_ARGS(inode, lblock, pblock, len, flags, ret),



	TP_STRUCT__entry(

		__field(dev_t, dev)

		__field(ino_t, ino)

		__field(sector_t, lblock)

		__field(sector_t, pblock)

		__field(unsigned long long, len)

		__field(unsigned int, flags)

		__field(int, ret)

	),



	TP_fast_assign(

		__entry->dev		= inode->i_sb->s_dev;

		__entry->ino		= inode->i_ino;

		__entry->lblock		= lblock;

		__entry->pblock		= pblock;

		__entry->len		= len;

		__entry->flags		= flags;

		__entry->ret		= ret;

	),



	TP_printk("dev = (%d,%d), ino = %lu, lblock:%lld, pblock:%lld, "

		"len:%llu, flags:%u, ret:%d",

		show_dev_ino(__entry),

		(unsigned long long)__entry->lblock,

		(unsigned long long)__entry->pblock,

		__entry->len,

		__entry->flags,

		__entry->ret)

);



#endif /* _TRACE_F2FS_H */



 /* This part must be outside protection */