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| author | Namjae Jeon <namjae.jeon@samsung.com> | 2013-04-19 20:28:40 +0400 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-04-23 10:30:27 +0400 |
| commit | a2a4a7e4abb27c833d4e09ac1d434ab48a64062c (patch) | |
| tree | d23f6c9419d72e66f24c2094d79a43d6e17a6cb9 /fs/f2fs/file.c | |
| parent | e66509f03e36ef4750bfab8f3a5cf632b313a39b (diff) | |
| download | linux-a2a4a7e4abb27c833d4e09ac1d434ab48a64062c.tar.xz | |
f2fs: add tracepoints for sync & inode operations
Add tracepoints in f2fs for tracing the syncing
operations like filesystem sync, file sync enter/exit.
It will helf to trace the code under debugging scenarios.
Also add tracepoints for tracing the various inode operations
like building inode, eviction of inode, link/unlike of
inodes.
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
[Jaegeuk: combine and modify the tracepoint structures]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/file.c')
| -rw-r--r-- | fs/f2fs/file.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 07be88ddb9f8..0b0ba26ba76e 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -25,6 +25,7 @@ #include "segment.h" #include "xattr.h" #include "acl.h" +#include <trace/events/f2fs.h> static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) @@ -116,9 +117,12 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) if (inode->i_sb->s_flags & MS_RDONLY) return 0; + trace_f2fs_sync_file_enter(inode); ret = filemap_write_and_wait_range(inode->i_mapping, start, end); - if (ret) + if (ret) { + trace_f2fs_sync_file_exit(inode, need_cp, datasync, ret); return ret; + } /* guarantee free sections for fsync */ f2fs_balance_fs(sbi); @@ -153,6 +157,7 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) } out: mutex_unlock(&inode->i_mutex); + trace_f2fs_sync_file_exit(inode, need_cp, datasync, ret); return ret; } |