X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=fs%2Fext4%2Finline.c;h=6fbcdf23df90173c4c079500936313aae32671cf;hb=5076221ec585603197b3473fda04f35161179a93;hp=0dcd33f626376a39ce9ecd262f61635c95a7971f;hpb=c5feba4358ed485b91c2f535d703758aa6d8872f;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index 0dcd33f62637..6fbcdf23df90 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -18,6 +18,7 @@
 #include "ext4.h"
 #include "xattr.h"
 #include "truncate.h"
+#include <trace/events/android_fs.h>
 
 #define EXT4_XATTR_SYSTEM_DATA	"data"
 #define EXT4_MIN_INLINE_DATA_SIZE	((sizeof(__le32) * EXT4_N_BLOCKS))
@@ -502,6 +503,17 @@ int ext4_readpage_inline(struct inode *inode, struct page *page)
 		return -EAGAIN;
 	}
 
+	if (trace_android_fs_dataread_start_enabled()) {
+		char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+		path = android_fstrace_get_pathname(pathbuf,
+						    MAX_TRACE_PATHBUF_LEN,
+						    inode);
+		trace_android_fs_dataread_start(inode, page_offset(page),
+						PAGE_SIZE, current->pid,
+						path, current->comm);
+	}
+
 	/*
 	 * Current inline data can only exist in the 1st page,
 	 * So for all the other pages, just set them uptodate.
@@ -513,6 +525,8 @@ int ext4_readpage_inline(struct inode *inode, struct page *page)
 		SetPageUptodate(page);
 	}
 
+	trace_android_fs_dataread_end(inode, page_offset(page), PAGE_SIZE);
+
 	up_read(&EXT4_I(inode)->xattr_sem);
 
 	unlock_page(page);