Messages in this thread | | | Subject | Re: [PATCH v2 4/5] f2fs: add tracepoint for f2fs_filemap_fault() | From | Chao Yu <> | Date | Wed, 24 Apr 2019 20:45:03 +0800 |
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On 2019-4-24 17:14, Jaegeuk Kim wrote: > On 04/15, Chao Yu wrote: >> This patch adds tracepoint for f2fs_filemap_fault(). >> >> Signed-off-by: Chao Yu <yuchao0@huawei.com> >> --- >> v2: >> - fix wrong type of @ret parameter >> fs/f2fs/file.c | 2 ++ >> include/trace/events/f2fs.h | 26 ++++++++++++++++++++++++++ >> 2 files changed, 28 insertions(+) >> >> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c >> index 30d49467578e..578486e03427 100644 >> --- a/fs/f2fs/file.c >> +++ b/fs/f2fs/file.c >> @@ -39,6 +39,8 @@ static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf) >> ret = filemap_fault(vmf); >> up_read(&F2FS_I(inode)->i_mmap_sem); >> >> + trace_f2fs_filemap_fault(inode, vmf->pgoff, ret); > > In order to avoid wrong casting warning, how about this?
Confirmed, I used wrong type in v2, thanks for fixing this.
Thanks,
> > --- > include/trace/events/f2fs.h | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h > index abe763cc1d0b..c29dea7ac0fe 100644 > --- a/include/trace/events/f2fs.h > +++ b/include/trace/events/f2fs.h > @@ -1286,7 +1286,7 @@ DEFINE_EVENT(f2fs__page, f2fs_commit_inmem_page, > > TRACE_EVENT(f2fs_filemap_fault, > > - TP_PROTO(struct inode *inode, pgoff_t index, enum vm_fault_reason ret), > + TP_PROTO(struct inode *inode, pgoff_t index, vm_fault_t ret), > > TP_ARGS(inode, index, ret), > > @@ -1294,7 +1294,7 @@ TRACE_EVENT(f2fs_filemap_fault, > __field(dev_t, dev) > __field(ino_t, ino) > __field(pgoff_t, index) > - __field(enum vm_fault_reason, ret) > + __field(vm_fault_t, ret) > ), > > TP_fast_assign( > @@ -1304,10 +1304,10 @@ TRACE_EVENT(f2fs_filemap_fault, > __entry->ret = ret; > ), > > - TP_printk("dev = (%d,%d), ino = %lu, index = %lu, ret = %u", > + TP_printk("dev = (%d,%d), ino = %lu, index = %lu, ret = %lx", > show_dev_ino(__entry), > (unsigned long)__entry->index, > - ret) > + (unsigned long)__entry->ret) > ); > > TRACE_EVENT(f2fs_writepages, >
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