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ext4: print 'flags' in ext4_ext_handle_uninitialized_extents

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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.

Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Zheng Liu 2012-11-08 14:33:43 -05:00 committed by Theodore Ts'o
parent d71c1ae23a
commit b5645534ce
2 changed files with 6 additions and 6 deletions
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4
fs/ext4/extents.c
View File

@ -3663,8 +3663,8 @@ 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)) {

8
include/trace/events/ext4.h
View File

@ -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 %x "
"allocated %d newblock %llu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,