* [PATCH 1/2] ext4: print 'flags' in trace_ext4_ext_handle_uninitialized_extents @ 2012-10-16 7:24 Zheng Liu 2012-10-16 7:24 ` [PATCH 2/2] ext4: add a variable to record the value of map->m_flags in tracepoint Zheng Liu 2012-10-16 10:34 ` [PATCH 1/2] ext4: print 'flags' in trace_ext4_ext_handle_uninitialized_extents Lukáš Czerner 0 siblings, 2 replies; 5+ messages in thread From: Zheng Liu @ 2012-10-16 7:24 UTC (permalink / raw) To: linux-ext4; +Cc: Zheng Liu From: Zheng Liu <wenqing.lz@taobao.com> In trace_ext4_ext_handle_uninitialized_extents we don't care about the value of map->m_flags because this value is probably 0, and we prefer to get the value of flags because we can know how to handle this extent in this function. Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> --- fs/ext4/extents.c | 4 ++-- include/trace/events/ext4.h | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 1c94cca..4ecc210 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3628,8 +3628,8 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode, flags, allocated); ext4_ext_show_leaf(inode, path); - trace_ext4_ext_handle_uninitialized_extents(inode, map, allocated, - newblock); + trace_ext4_ext_handle_uninitialized_extents(inode, map, flags, + allocated, newblock); /* get_block() before submit the IO, split the extent */ if ((flags & EXT4_GET_BLOCKS_PRE_IO)) { diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index d49b285..66d78dc 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -1680,10 +1680,10 @@ DEFINE_EVENT(ext4__trim, ext4_trim_all_free, ); TRACE_EVENT(ext4_ext_handle_uninitialized_extents, - TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, + TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int flags, unsigned int allocated, ext4_fsblk_t newblock), - TP_ARGS(inode, map, allocated, newblock), + TP_ARGS(inode, map, flags, allocated, newblock), TP_STRUCT__entry( __field( dev_t, dev ) @@ -1699,7 +1699,7 @@ TRACE_EVENT(ext4_ext_handle_uninitialized_extents, TP_fast_assign( __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; - __entry->flags = map->m_flags; + __entry->flags = flags; __entry->lblk = map->m_lblk; __entry->pblk = map->m_pblk; __entry->len = map->m_len; @@ -1707,7 +1707,7 @@ TRACE_EVENT(ext4_ext_handle_uninitialized_extents, __entry->newblk = newblock; ), - TP_printk("dev %d,%d ino %lu m_lblk %u m_pblk %llu m_len %u flags %d" + TP_printk("dev %d,%d ino %lu m_lblk %u m_pblk %llu m_len %u flags %d " "allocated %d newblock %llu", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, -- 1.7.12.rc2.18.g61b472e ^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH 2/2] ext4: add a variable to record the value of map->m_flags in tracepoint 2012-10-16 7:24 [PATCH 1/2] ext4: print 'flags' in trace_ext4_ext_handle_uninitialized_extents Zheng Liu @ 2012-10-16 7:24 ` Zheng Liu 2012-10-16 10:41 ` Lukáš Czerner 2012-10-16 10:34 ` [PATCH 1/2] ext4: print 'flags' in trace_ext4_ext_handle_uninitialized_extents Lukáš Czerner 1 sibling, 1 reply; 5+ messages in thread From: Zheng Liu @ 2012-10-16 7:24 UTC (permalink / raw) To: linux-ext4; +Cc: Zheng Liu From: Zheng Liu <wenqing.lz@taobao.com> When we use trace_ext4_ext/ind_map_blocks_exit, we will print the value of map->m_flags in order that we can understand what currently status is. Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> --- fs/ext4/extents.c | 2 +- fs/ext4/indirect.c | 4 ++-- include/trace/events/ext4.h | 18 ++++++++++-------- 3 files changed, 13 insertions(+), 11 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 4ecc210..204bafa 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4250,7 +4250,7 @@ out2: } trace_ext4_ext_map_blocks_exit(inode, map->m_lblk, - newblock, map->m_len, err ? err : allocated); + newblock, map->m_len, map->m_flags, err ? err : allocated); return err ? err : allocated; } diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c index 792e388..a22d296 100644 --- a/fs/ext4/indirect.c +++ b/fs/ext4/indirect.c @@ -755,8 +755,8 @@ cleanup: partial--; } out: - trace_ext4_ind_map_blocks_exit(inode, map->m_lblk, - map->m_pblk, map->m_len, err); + trace_ext4_ind_map_blocks_exit(inode, map->m_lblk, map->m_pblk, + map->m_len, map->m_flags, err); return err; } diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 66d78dc..680c249b 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -1520,9 +1520,9 @@ DEFINE_EVENT(ext4__map_blocks_enter, ext4_ind_map_blocks_enter, DECLARE_EVENT_CLASS(ext4__map_blocks_exit, TP_PROTO(struct inode *inode, ext4_lblk_t lblk, - ext4_fsblk_t pblk, unsigned int len, int ret), + ext4_fsblk_t pblk, unsigned int len, int flags, int ret), - TP_ARGS(inode, lblk, pblk, len, ret), + TP_ARGS(inode, lblk, pblk, len, flags, ret), TP_STRUCT__entry( __field( dev_t, dev ) @@ -1530,6 +1530,7 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_exit, __field( ext4_fsblk_t, pblk ) __field( ext4_lblk_t, lblk ) __field( unsigned int, len ) + __field( int, flags ) __field( int, ret ) ), @@ -1539,28 +1540,29 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_exit, __entry->pblk = pblk; __entry->lblk = lblk; __entry->len = len; + __entry->flags = flags; __entry->ret = ret; ), - TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u ret %d", + TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u flags %x ret %d", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->lblk, __entry->pblk, - __entry->len, __entry->ret) + __entry->len, __entry->flags, __entry->ret) ); DEFINE_EVENT(ext4__map_blocks_exit, ext4_ext_map_blocks_exit, TP_PROTO(struct inode *inode, ext4_lblk_t lblk, - ext4_fsblk_t pblk, unsigned len, int ret), + ext4_fsblk_t pblk, unsigned len, int flags, int ret), - TP_ARGS(inode, lblk, pblk, len, ret) + TP_ARGS(inode, lblk, pblk, len, flags, ret) ); DEFINE_EVENT(ext4__map_blocks_exit, ext4_ind_map_blocks_exit, TP_PROTO(struct inode *inode, ext4_lblk_t lblk, - ext4_fsblk_t pblk, unsigned len, int ret), + ext4_fsblk_t pblk, unsigned len, int flags, int ret), - TP_ARGS(inode, lblk, pblk, len, ret) + TP_ARGS(inode, lblk, pblk, len, flags, ret) ); TRACE_EVENT(ext4_ext_load_extent, -- 1.7.12.rc2.18.g61b472e ^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH 2/2] ext4: add a variable to record the value of map->m_flags in tracepoint 2012-10-16 7:24 ` [PATCH 2/2] ext4: add a variable to record the value of map->m_flags in tracepoint Zheng Liu @ 2012-10-16 10:41 ` Lukáš Czerner 2012-10-16 10:56 ` Zheng Liu 0 siblings, 1 reply; 5+ messages in thread From: Lukáš Czerner @ 2012-10-16 10:41 UTC (permalink / raw) To: Zheng Liu; +Cc: linux-ext4, Zheng Liu On Tue, 16 Oct 2012, Zheng Liu wrote: > Date: Tue, 16 Oct 2012 15:24:54 +0800 > From: Zheng Liu <gnehzuil.liu@gmail.com> > To: linux-ext4@vger.kernel.org > Cc: Zheng Liu <wenqing.lz@taobao.com> > Subject: [PATCH 2/2] ext4: add a variable to record the value of map->m_flags > in tracepoint > > From: Zheng Liu <wenqing.lz@taobao.com> > > When we use trace_ext4_ext/ind_map_blocks_exit, we will print the value of > map->m_flags in order that we can understand what currently status is. > > Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> > --- > fs/ext4/extents.c | 2 +- > fs/ext4/indirect.c | 4 ++-- > include/trace/events/ext4.h | 18 ++++++++++-------- > 3 files changed, 13 insertions(+), 11 deletions(-) > > diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c > index 4ecc210..204bafa 100644 > --- a/fs/ext4/extents.c > +++ b/fs/ext4/extents.c > @@ -4250,7 +4250,7 @@ out2: > } > > trace_ext4_ext_map_blocks_exit(inode, map->m_lblk, > - newblock, map->m_len, err ? err : allocated); > + newblock, map->m_len, map->m_flags, err ? err : allocated); > > return err ? err : allocated; > } > diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c > index 792e388..a22d296 100644 > --- a/fs/ext4/indirect.c > +++ b/fs/ext4/indirect.c > @@ -755,8 +755,8 @@ cleanup: > partial--; > } > out: > - trace_ext4_ind_map_blocks_exit(inode, map->m_lblk, > - map->m_pblk, map->m_len, err); > + trace_ext4_ind_map_blocks_exit(inode, map->m_lblk, map->m_pblk, > + map->m_len, map->m_flags, err); > return err; > } > > diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h > index 66d78dc..680c249b 100644 > --- a/include/trace/events/ext4.h > +++ b/include/trace/events/ext4.h > @@ -1520,9 +1520,9 @@ DEFINE_EVENT(ext4__map_blocks_enter, ext4_ind_map_blocks_enter, > > DECLARE_EVENT_CLASS(ext4__map_blocks_exit, > TP_PROTO(struct inode *inode, ext4_lblk_t lblk, > - ext4_fsblk_t pblk, unsigned int len, int ret), > + ext4_fsblk_t pblk, unsigned int len, int flags, int ret), What about the whole struct ext4_map_blocks instead of m_lblk, m_len and m_flags separately ? > > - TP_ARGS(inode, lblk, pblk, len, ret), > + TP_ARGS(inode, lblk, pblk, len, flags, ret), > > TP_STRUCT__entry( > __field( dev_t, dev ) > @@ -1530,6 +1530,7 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_exit, > __field( ext4_fsblk_t, pblk ) > __field( ext4_lblk_t, lblk ) > __field( unsigned int, len ) > + __field( int, flags ) map->m_flags is unsigned int. > __field( int, ret ) > ), > > @@ -1539,28 +1540,29 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_exit, > __entry->pblk = pblk; > __entry->lblk = lblk; > __entry->len = len; > + __entry->flags = flags; > __entry->ret = ret; > ), > > - TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u ret %d", > + TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u flags %x ret %d", It's better to be consistent. If we agree that using %x for flags is better format then be it, but change the first patch as well. Thanks! -Lukas > MAJOR(__entry->dev), MINOR(__entry->dev), > (unsigned long) __entry->ino, > __entry->lblk, __entry->pblk, > - __entry->len, __entry->ret) > + __entry->len, __entry->flags, __entry->ret) > ); > > DEFINE_EVENT(ext4__map_blocks_exit, ext4_ext_map_blocks_exit, > TP_PROTO(struct inode *inode, ext4_lblk_t lblk, > - ext4_fsblk_t pblk, unsigned len, int ret), > + ext4_fsblk_t pblk, unsigned len, int flags, int ret), > > - TP_ARGS(inode, lblk, pblk, len, ret) > + TP_ARGS(inode, lblk, pblk, len, flags, ret) > ); > > DEFINE_EVENT(ext4__map_blocks_exit, ext4_ind_map_blocks_exit, > TP_PROTO(struct inode *inode, ext4_lblk_t lblk, > - ext4_fsblk_t pblk, unsigned len, int ret), > + ext4_fsblk_t pblk, unsigned len, int flags, int ret), > > - TP_ARGS(inode, lblk, pblk, len, ret) > + TP_ARGS(inode, lblk, pblk, len, flags, ret) > ); > > TRACE_EVENT(ext4_ext_load_extent, > ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH 2/2] ext4: add a variable to record the value of map->m_flags in tracepoint 2012-10-16 10:41 ` Lukáš Czerner @ 2012-10-16 10:56 ` Zheng Liu 0 siblings, 0 replies; 5+ messages in thread From: Zheng Liu @ 2012-10-16 10:56 UTC (permalink / raw) To: Lukáš Czerner; +Cc: linux-ext4, Zheng Liu On Tue, Oct 16, 2012 at 12:41:33PM +0200, Lukáš Czerner wrote: > On Tue, 16 Oct 2012, Zheng Liu wrote: > > > Date: Tue, 16 Oct 2012 15:24:54 +0800 > > From: Zheng Liu <gnehzuil.liu@gmail.com> > > To: linux-ext4@vger.kernel.org > > Cc: Zheng Liu <wenqing.lz@taobao.com> > > Subject: [PATCH 2/2] ext4: add a variable to record the value of map->m_flags > > in tracepoint > > > > From: Zheng Liu <wenqing.lz@taobao.com> > > > > When we use trace_ext4_ext/ind_map_blocks_exit, we will print the value of > > map->m_flags in order that we can understand what currently status is. > > > > Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> > > --- > > fs/ext4/extents.c | 2 +- > > fs/ext4/indirect.c | 4 ++-- > > include/trace/events/ext4.h | 18 ++++++++++-------- > > 3 files changed, 13 insertions(+), 11 deletions(-) > > > > diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c > > index 4ecc210..204bafa 100644 > > --- a/fs/ext4/extents.c > > +++ b/fs/ext4/extents.c > > @@ -4250,7 +4250,7 @@ out2: > > } > > > > trace_ext4_ext_map_blocks_exit(inode, map->m_lblk, > > - newblock, map->m_len, err ? err : allocated); > > + newblock, map->m_len, map->m_flags, err ? err : allocated); > > > > return err ? err : allocated; > > } > > diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c > > index 792e388..a22d296 100644 > > --- a/fs/ext4/indirect.c > > +++ b/fs/ext4/indirect.c > > @@ -755,8 +755,8 @@ cleanup: > > partial--; > > } > > out: > > - trace_ext4_ind_map_blocks_exit(inode, map->m_lblk, > > - map->m_pblk, map->m_len, err); > > + trace_ext4_ind_map_blocks_exit(inode, map->m_lblk, map->m_pblk, > > + map->m_len, map->m_flags, err); > > return err; > > } > > > > diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h > > index 66d78dc..680c249b 100644 > > --- a/include/trace/events/ext4.h > > +++ b/include/trace/events/ext4.h > > @@ -1520,9 +1520,9 @@ DEFINE_EVENT(ext4__map_blocks_enter, ext4_ind_map_blocks_enter, > > > > DECLARE_EVENT_CLASS(ext4__map_blocks_exit, > > TP_PROTO(struct inode *inode, ext4_lblk_t lblk, > > - ext4_fsblk_t pblk, unsigned int len, int ret), > > + ext4_fsblk_t pblk, unsigned int len, int flags, int ret), > > What about the whole struct ext4_map_blocks instead of m_lblk, m_len > and m_flags separately ? Agree. I will fix it. > > > > > - TP_ARGS(inode, lblk, pblk, len, ret), > > + TP_ARGS(inode, lblk, pblk, len, flags, ret), > > > > TP_STRUCT__entry( > > __field( dev_t, dev ) > > @@ -1530,6 +1530,7 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_exit, > > __field( ext4_fsblk_t, pblk ) > > __field( ext4_lblk_t, lblk ) > > __field( unsigned int, len ) > > + __field( int, flags ) > > map->m_flags is unsigned int. Oops, I will fix it in second version. > > > __field( int, ret ) > > ), > > > > @@ -1539,28 +1540,29 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_exit, > > __entry->pblk = pblk; > > __entry->lblk = lblk; > > __entry->len = len; > > + __entry->flags = flags; > > __entry->ret = ret; > > ), > > > > - TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u ret %d", > > + TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u flags %x ret %d", > > It's better to be consistent. If we agree that using %x for flags is > better format then be it, but change the first patch as well. Yes, %x is better. I will fix it in first patch. Regards, Zheng > > Thanks! > -Lukas > > > MAJOR(__entry->dev), MINOR(__entry->dev), > > (unsigned long) __entry->ino, > > __entry->lblk, __entry->pblk, > > - __entry->len, __entry->ret) > > + __entry->len, __entry->flags, __entry->ret) > > ); > > > > DEFINE_EVENT(ext4__map_blocks_exit, ext4_ext_map_blocks_exit, > > TP_PROTO(struct inode *inode, ext4_lblk_t lblk, > > - ext4_fsblk_t pblk, unsigned len, int ret), > > + ext4_fsblk_t pblk, unsigned len, int flags, int ret), > > > > - TP_ARGS(inode, lblk, pblk, len, ret) > > + TP_ARGS(inode, lblk, pblk, len, flags, ret) > > ); > > > > DEFINE_EVENT(ext4__map_blocks_exit, ext4_ind_map_blocks_exit, > > TP_PROTO(struct inode *inode, ext4_lblk_t lblk, > > - ext4_fsblk_t pblk, unsigned len, int ret), > > + ext4_fsblk_t pblk, unsigned len, int flags, int ret), > > > > - TP_ARGS(inode, lblk, pblk, len, ret) > > + TP_ARGS(inode, lblk, pblk, len, flags, ret) > > ); > > > > TRACE_EVENT(ext4_ext_load_extent, > > -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH 1/2] ext4: print 'flags' in trace_ext4_ext_handle_uninitialized_extents 2012-10-16 7:24 [PATCH 1/2] ext4: print 'flags' in trace_ext4_ext_handle_uninitialized_extents Zheng Liu 2012-10-16 7:24 ` [PATCH 2/2] ext4: add a variable to record the value of map->m_flags in tracepoint Zheng Liu @ 2012-10-16 10:34 ` Lukáš Czerner 1 sibling, 0 replies; 5+ messages in thread From: Lukáš Czerner @ 2012-10-16 10:34 UTC (permalink / raw) To: Zheng Liu; +Cc: linux-ext4, Zheng Liu On Tue, 16 Oct 2012, Zheng Liu wrote: > Date: Tue, 16 Oct 2012 15:24:53 +0800 > From: Zheng Liu <gnehzuil.liu@gmail.com> > To: linux-ext4@vger.kernel.org > Cc: Zheng Liu <wenqing.lz@taobao.com> > Subject: [PATCH 1/2] ext4: print 'flags' in > trace_ext4_ext_handle_uninitialized_extents > > From: Zheng Liu <wenqing.lz@taobao.com> > > In trace_ext4_ext_handle_uninitialized_extents we don't care about the value of > map->m_flags because this value is probably 0, and we prefer to get the value of > flags because we can know how to handle this extent in this function. Looks good, thanks. Reviewed-by: Lukas Czerner <lczerner@redhat.com> > > Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> > --- > fs/ext4/extents.c | 4 ++-- > include/trace/events/ext4.h | 8 ++++---- > 2 files changed, 6 insertions(+), 6 deletions(-) > > diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c > index 1c94cca..4ecc210 100644 > --- a/fs/ext4/extents.c > +++ b/fs/ext4/extents.c > @@ -3628,8 +3628,8 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode, > flags, allocated); > ext4_ext_show_leaf(inode, path); > > - trace_ext4_ext_handle_uninitialized_extents(inode, map, allocated, > - newblock); > + trace_ext4_ext_handle_uninitialized_extents(inode, map, flags, > + allocated, newblock); > > /* get_block() before submit the IO, split the extent */ > if ((flags & EXT4_GET_BLOCKS_PRE_IO)) { > diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h > index d49b285..66d78dc 100644 > --- a/include/trace/events/ext4.h > +++ b/include/trace/events/ext4.h > @@ -1680,10 +1680,10 @@ DEFINE_EVENT(ext4__trim, ext4_trim_all_free, > ); > > TRACE_EVENT(ext4_ext_handle_uninitialized_extents, > - TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, > + TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int flags, > unsigned int allocated, ext4_fsblk_t newblock), > > - TP_ARGS(inode, map, allocated, newblock), > + TP_ARGS(inode, map, flags, allocated, newblock), > > TP_STRUCT__entry( > __field( dev_t, dev ) > @@ -1699,7 +1699,7 @@ TRACE_EVENT(ext4_ext_handle_uninitialized_extents, > TP_fast_assign( > __entry->dev = inode->i_sb->s_dev; > __entry->ino = inode->i_ino; > - __entry->flags = map->m_flags; > + __entry->flags = flags; > __entry->lblk = map->m_lblk; > __entry->pblk = map->m_pblk; > __entry->len = map->m_len; > @@ -1707,7 +1707,7 @@ TRACE_EVENT(ext4_ext_handle_uninitialized_extents, > __entry->newblk = newblock; > ), > > - TP_printk("dev %d,%d ino %lu m_lblk %u m_pblk %llu m_len %u flags %d" > + TP_printk("dev %d,%d ino %lu m_lblk %u m_pblk %llu m_len %u flags %d " > "allocated %d newblock %llu", > MAJOR(__entry->dev), MINOR(__entry->dev), > (unsigned long) __entry->ino, > ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2012-10-16 10:45 UTC | newest] Thread overview: 5+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2012-10-16 7:24 [PATCH 1/2] ext4: print 'flags' in trace_ext4_ext_handle_uninitialized_extents Zheng Liu 2012-10-16 7:24 ` [PATCH 2/2] ext4: add a variable to record the value of map->m_flags in tracepoint Zheng Liu 2012-10-16 10:41 ` Lukáš Czerner 2012-10-16 10:56 ` Zheng Liu 2012-10-16 10:34 ` [PATCH 1/2] ext4: print 'flags' in trace_ext4_ext_handle_uninitialized_extents Lukáš Czerner
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