diff options
Diffstat (limited to 'fs/ext4/inline.c')
| -rw-r--r-- | fs/ext4/inline.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index dad8e7bdf0a6..bc7c082b7913 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); |