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ext4: fixed tracepoints cleanup 

While creating fixed tracepoints for ext3, basically by porting them
from ext4, I found a lot of useless retyping, wrong type usage, useless
variable passing and other inconsistencies in the ext4 fixed tracepoint
code.

This patch cleans the fixed tracepoint code for ext4 and also simplify
some of them.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Lukas Czerner 2011-06-06 09:51:52 -04:00 committed by Theodore Ts'o
parent c03f8aa9ab
commit a9c667f8f0
3 changed files with 80 additions and 107 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/ext4/inode.c
View File

@ -2634,7 +2634,7 @@ static int ext4_writepage(struct page *page,
struct buffer_head *page_bufs = NULL;
struct inode *inode = page->mapping->host;
trace_ext4_writepage(inode, page);
trace_ext4_writepage(page);
size = i_size_read(inode);
if (page->index == size >> PAGE_CACHE_SHIFT)
len = size & ~PAGE_CACHE_MASK;

6
fs/ext4/mballoc.c
View File

@ -3578,8 +3578,8 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
free += next - bit;
trace_ext4_mballoc_discard(sb, NULL, group, bit, next - bit);
trace_ext4_mb_release_inode_pa(sb, pa->pa_inode, pa,
grp_blk_start + bit, next - bit);
trace_ext4_mb_release_inode_pa(pa, grp_blk_start + bit,
next - bit);
mb_free_blocks(pa->pa_inode, e4b, bit, next - bit);
bit = next + 1;
}
@ -3608,7 +3608,7 @@ ext4_mb_release_group_pa(struct ext4_buddy *e4b,
ext4_group_t group;
ext4_grpblk_t bit;
trace_ext4_mb_release_group_pa(sb, pa);
trace_ext4_mb_release_group_pa(pa);
BUG_ON(pa->pa_deleted == 0);
ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, &bit);
BUG_ON(group != e4b->bd_group && pa->pa_len != 0);

179
include/trace/events/ext4.h
View File

@ -26,7 +26,7 @@ TRACE_EVENT(ext4_free_inode,
__field( umode_t, mode )
__field( uid_t, uid )
__field( gid_t, gid )
__field( blkcnt_t, blocks )
__field( __u64, blocks )
),
TP_fast_assign(
@ -40,9 +40,8 @@ TRACE_EVENT(ext4_free_inode,
TP_printk("dev %d,%d ino %lu mode 0%o uid %u gid %u blocks %llu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->mode, __entry->uid, __entry->gid,
(unsigned long long) __entry->blocks)
(unsigned long) __entry->ino, __entry->mode,
__entry->uid, __entry->gid, __entry->blocks)
);
TRACE_EVENT(ext4_request_inode,
@ -178,7 +177,7 @@ TRACE_EVENT(ext4_begin_ordered_truncate,
TP_printk("dev %d,%d ino %lu new_size %lld",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(long long) __entry->new_size)
__entry->new_size)
);
DECLARE_EVENT_CLASS(ext4__write_begin,
@ -204,7 +203,7 @@ DECLARE_EVENT_CLASS(ext4__write_begin,
__entry->flags = flags;
),
TP_printk("dev %d,%d ino %lu pos %llu len %u flags %u",
TP_printk("dev %d,%d ino %lu pos %lld len %u flags %u",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->pos, __entry->len, __entry->flags)
@ -248,7 +247,7 @@ DECLARE_EVENT_CLASS(ext4__write_end,
__entry->copied = copied;
),
TP_printk("dev %d,%d ino %lu pos %llu len %u copied %u",
TP_printk("dev %d,%d ino %lu pos %lld len %u copied %u",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->pos, __entry->len, __entry->copied)
@ -286,29 +285,6 @@ DEFINE_EVENT(ext4__write_end, ext4_da_write_end,
TP_ARGS(inode, pos, len, copied)
);
TRACE_EVENT(ext4_writepage,
TP_PROTO(struct inode *inode, struct page *page),
TP_ARGS(inode, page),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( ino_t, ino )
__field( pgoff_t, index )
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->index = page->index;
),
TP_printk("dev %d,%d ino %lu page_index %lu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino, __entry->index)
);
TRACE_EVENT(ext4_da_writepages,
TP_PROTO(struct inode *inode, struct writeback_control *wbc),
@ -341,7 +317,7 @@ TRACE_EVENT(ext4_da_writepages,
),
TP_printk("dev %d,%d ino %lu nr_to_write %ld pages_skipped %ld "
"range_start %llu range_end %llu sync_mode %d"
"range_start %lld range_end %lld sync_mode %d"
"for_kupdate %d range_cyclic %d writeback_index %lu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino, __entry->nr_to_write,
@ -449,7 +425,14 @@ DECLARE_EVENT_CLASS(ext4__page_op,
TP_printk("dev %d,%d ino %lu page_index %lu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->index)
(unsigned long) __entry->index)
);
DEFINE_EVENT(ext4__page_op, ext4_writepage,
TP_PROTO(struct page *page),
TP_ARGS(page)
);
DEFINE_EVENT(ext4__page_op, ext4_readpage,
@ -489,7 +472,7 @@ TRACE_EVENT(ext4_invalidatepage,
TP_printk("dev %d,%d ino %lu page_index %lu offset %lu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->index, __entry->offset)
(unsigned long) __entry->index, __entry->offset)
);
TRACE_EVENT(ext4_discard_blocks,
@ -562,12 +545,10 @@ DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_group_pa,
);
TRACE_EVENT(ext4_mb_release_inode_pa,
TP_PROTO(struct super_block *sb,
struct inode *inode,
struct ext4_prealloc_space *pa,
TP_PROTO(struct ext4_prealloc_space *pa,
unsigned long long block, unsigned int count),
TP_ARGS(sb, inode, pa, block, count),
TP_ARGS(pa, block, count),
TP_STRUCT__entry(
__field( dev_t, dev )
@ -578,8 +559,8 @@ TRACE_EVENT(ext4_mb_release_inode_pa,
),
TP_fast_assign(
__entry->dev = sb->s_dev;
__entry->ino = inode->i_ino;
__entry->dev = pa->pa_inode->i_sb->s_dev;
__entry->ino = pa->pa_inode->i_ino;
__entry->block = block;
__entry->count = count;
),
@ -591,10 +572,9 @@ TRACE_EVENT(ext4_mb_release_inode_pa,
);
TRACE_EVENT(ext4_mb_release_group_pa,
TP_PROTO(struct super_block *sb,
struct ext4_prealloc_space *pa),
TP_PROTO(struct ext4_prealloc_space *pa),
TP_ARGS(sb, pa),
TP_ARGS(pa),
TP_STRUCT__entry(
__field( dev_t, dev )
@ -604,7 +584,7 @@ TRACE_EVENT(ext4_mb_release_group_pa,
),
TP_fast_assign(
__entry->dev = sb->s_dev;
__entry->dev = pa->pa_inode->i_sb->s_dev;
__entry->pa_pstart = pa->pa_pstart;
__entry->pa_len = pa->pa_len;
),
@ -666,10 +646,10 @@ TRACE_EVENT(ext4_request_blocks,
__field( ino_t, ino )
__field( unsigned int, flags )
__field( unsigned int, len )
__field( __u64, logical )
__field( __u32, logical )
__field( __u32, lleft )
__field( __u32, lright )
__field( __u64, goal )
__field( __u64, lleft )
__field( __u64, lright )
__field( __u64, pleft )
__field( __u64, pright )
),
@ -687,17 +667,13 @@ TRACE_EVENT(ext4_request_blocks,
__entry->pright = ar->pright;
),
TP_printk("dev %d,%d ino %lu flags %u len %u lblk %llu goal %llu "
"lleft %llu lright %llu pleft %llu pright %llu ",
TP_printk("dev %d,%d ino %lu flags %u len %u lblk %u goal %llu "
"lleft %u lright %u pleft %llu pright %llu ",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->flags, __entry->len,
(unsigned long long) __entry->logical,
(unsigned long long) __entry->goal,
(unsigned long long) __entry->lleft,
(unsigned long long) __entry->lright,
(unsigned long long) __entry->pleft,
(unsigned long long) __entry->pright)
(unsigned long) __entry->ino, __entry->flags,
__entry->len, __entry->logical, __entry->goal,
__entry->lleft, __entry->lright, __entry->pleft,
__entry->pright)
);
TRACE_EVENT(ext4_allocate_blocks,
@ -711,10 +687,10 @@ TRACE_EVENT(ext4_allocate_blocks,
__field( __u64, block )
__field( unsigned int, flags )
__field( unsigned int, len )
__field( __u64, logical )
__field( __u32, logical )
__field( __u32, lleft )
__field( __u32, lright )
__field( __u64, goal )
__field( __u64, lleft )
__field( __u64, lright )
__field( __u64, pleft )
__field( __u64, pright )
),
@ -733,17 +709,13 @@ TRACE_EVENT(ext4_allocate_blocks,
__entry->pright = ar->pright;
),
TP_printk("dev %d,%d ino %lu flags %u len %u block %llu lblk %llu "
"goal %llu lleft %llu lright %llu pleft %llu pright %llu",
TP_printk("dev %d,%d ino %lu flags %u len %u block %llu lblk %u "
"goal %llu lleft %u lright %u pleft %llu pright %llu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->flags, __entry->len, __entry->block,
(unsigned long long) __entry->logical,
(unsigned long long) __entry->goal,
(unsigned long long) __entry->lleft,
(unsigned long long) __entry->lright,
(unsigned long long) __entry->pleft,
(unsigned long long) __entry->pright)
(unsigned long) __entry->ino, __entry->flags,
__entry->len, __entry->block, __entry->logical,
__entry->goal, __entry->lleft, __entry->lright,
__entry->pleft, __entry->pright)
);
TRACE_EVENT(ext4_free_blocks,
@ -755,10 +727,10 @@ TRACE_EVENT(ext4_free_blocks,
TP_STRUCT__entry(
__field( dev_t, dev )
__field( ino_t, ino )
__field( umode_t, mode )
__field( umode_t, mode )
__field( __u64, block )
__field( unsigned long, count )
__field( int, flags )
__field( int, flags )
),
TP_fast_assign(
@ -798,7 +770,7 @@ TRACE_EVENT(ext4_sync_file_enter,
__entry->parent = dentry->d_parent->d_inode->i_ino;
),
TP_printk("dev %d,%d ino %ld parent %ld datasync %d ",
TP_printk("dev %d,%d ino %lu parent %lu datasync %d ",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned long) __entry->parent, __entry->datasync)
@ -821,7 +793,7 @@ TRACE_EVENT(ext4_sync_file_exit,
__entry->dev = inode->i_sb->s_dev;
),
TP_printk("dev %d,%d ino %ld ret %d",
TP_printk("dev %d,%d ino %lu ret %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->ret)
@ -1005,7 +977,7 @@ DECLARE_EVENT_CLASS(ext4__mballoc,
__entry->result_len = len;
),
TP_printk("dev %d,%d inode %lu extent %u/%d/%u ",
TP_printk("dev %d,%d inode %lu extent %u/%d/%d ",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->result_group, __entry->result_start,
@ -1093,7 +1065,7 @@ TRACE_EVENT(ext4_da_update_reserve_space,
"allocated_meta_blocks %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->mode, (unsigned long long) __entry->i_blocks,
__entry->mode, __entry->i_blocks,
__entry->used_blocks, __entry->reserved_data_blocks,
__entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
);
@ -1127,7 +1099,7 @@ TRACE_EVENT(ext4_da_reserve_space,
"reserved_data_blocks %d reserved_meta_blocks %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->mode, (unsigned long long) __entry->i_blocks,
__entry->mode, __entry->i_blocks,
__entry->md_needed, __entry->reserved_data_blocks,
__entry->reserved_meta_blocks)
);
@ -1164,7 +1136,7 @@ TRACE_EVENT(ext4_da_release_space,
"allocated_meta_blocks %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->mode, (unsigned long long) __entry->i_blocks,
__entry->mode, __entry->i_blocks,
__entry->freed_blocks, __entry->reserved_data_blocks,
__entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
);
@ -1239,14 +1211,15 @@ TRACE_EVENT(ext4_direct_IO_enter,
__entry->rw = rw;
),
TP_printk("dev %d,%d ino %lu pos %llu len %lu rw %d",
TP_printk("dev %d,%d ino %lu pos %lld len %lu rw %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned long long) __entry->pos, __entry->len, __entry->rw)
__entry->pos, __entry->len, __entry->rw)
);
TRACE_EVENT(ext4_direct_IO_exit,
TP_PROTO(struct inode *inode, loff_t offset, unsigned long len, int rw, int ret),
TP_PROTO(struct inode *inode, loff_t offset, unsigned long len,
int rw, int ret),
TP_ARGS(inode, offset, len, rw, ret),
@ -1268,10 +1241,10 @@ TRACE_EVENT(ext4_direct_IO_exit,
__entry->ret = ret;
),
TP_printk("dev %d,%d ino %lu pos %llu len %lu rw %d ret %d",
TP_printk("dev %d,%d ino %lu pos %lld len %lu rw %d ret %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned long long) __entry->pos, __entry->len,
__entry->pos, __entry->len,
__entry->rw, __entry->ret)
);
@ -1296,15 +1269,15 @@ TRACE_EVENT(ext4_fallocate_enter,
__entry->mode = mode;
),
TP_printk("dev %d,%d ino %ld pos %llu len %llu mode %d",
TP_printk("dev %d,%d ino %lu pos %lld len %lld mode %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned long long) __entry->pos,
(unsigned long long) __entry->len, __entry->mode)
(unsigned long) __entry->ino, __entry->pos,
__entry->len, __entry->mode)
);
TRACE_EVENT(ext4_fallocate_exit,
TP_PROTO(struct inode *inode, loff_t offset, unsigned int max_blocks, int ret),
TP_PROTO(struct inode *inode, loff_t offset,
unsigned int max_blocks, int ret),
TP_ARGS(inode, offset, max_blocks, ret),
@ -1312,7 +1285,7 @@ TRACE_EVENT(ext4_fallocate_exit,
__field( ino_t, ino )
__field( dev_t, dev )
__field( loff_t, pos )
__field( unsigned, blocks )
__field( unsigned int, blocks )
__field( int, ret )
),
@ -1324,10 +1297,10 @@ TRACE_EVENT(ext4_fallocate_exit,
__entry->ret = ret;
),
TP_printk("dev %d,%d ino %ld pos %llu blocks %d ret %d",
TP_printk("dev %d,%d ino %lu pos %lld blocks %u ret %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned long long) __entry->pos, __entry->blocks,
__entry->pos, __entry->blocks,
__entry->ret)
);
@ -1350,7 +1323,7 @@ TRACE_EVENT(ext4_unlink_enter,
__entry->dev = dentry->d_inode->i_sb->s_dev;
),
TP_printk("dev %d,%d ino %ld size %lld parent %ld",
TP_printk("dev %d,%d ino %lu size %lld parent %lu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino, __entry->size,
(unsigned long) __entry->parent)
@ -1373,7 +1346,7 @@ TRACE_EVENT(ext4_unlink_exit,
__entry->ret = ret;
),
TP_printk("dev %d,%d ino %ld ret %d",
TP_printk("dev %d,%d ino %lu ret %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->ret)
@ -1387,7 +1360,7 @@ DECLARE_EVENT_CLASS(ext4__truncate,
TP_STRUCT__entry(
__field( ino_t, ino )
__field( dev_t, dev )
__field( blkcnt_t, blocks )
__field( __u64, blocks )
),
TP_fast_assign(
@ -1396,9 +1369,9 @@ DECLARE_EVENT_CLASS(ext4__truncate,
__entry->blocks = inode->i_blocks;
),
TP_printk("dev %d,%d ino %lu blocks %lu",
TP_printk("dev %d,%d ino %lu blocks %llu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino, (unsigned long) __entry->blocks)
(unsigned long) __entry->ino, __entry->blocks)
);
DEFINE_EVENT(ext4__truncate, ext4_truncate_enter,
@ -1417,7 +1390,7 @@ DEFINE_EVENT(ext4__truncate, ext4_truncate_exit,
DECLARE_EVENT_CLASS(ext4__map_blocks_enter,
TP_PROTO(struct inode *inode, ext4_lblk_t lblk,
unsigned len, unsigned flags),
unsigned int len, unsigned int flags),
TP_ARGS(inode, lblk, len, flags),
@ -1425,8 +1398,8 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_enter,
__field( ino_t, ino )
__field( dev_t, dev )
__field( ext4_lblk_t, lblk )
__field( unsigned, len )
__field( unsigned, flags )
__field( unsigned int, len )
__field( unsigned int, flags )
),
TP_fast_assign(
@ -1440,7 +1413,7 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_enter,
TP_printk("dev %d,%d ino %lu lblk %u len %u flags %u",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned) __entry->lblk, __entry->len, __entry->flags)
__entry->lblk, __entry->len, __entry->flags)
);
DEFINE_EVENT(ext4__map_blocks_enter, ext4_ext_map_blocks_enter,
@ -1459,7 +1432,7 @@ 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 len, int ret),
ext4_fsblk_t pblk, unsigned int len, int ret),
TP_ARGS(inode, lblk, pblk, len, ret),
@ -1468,7 +1441,7 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_exit,
__field( dev_t, dev )
__field( ext4_lblk_t, lblk )
__field( ext4_fsblk_t, pblk )
__field( unsigned, len )
__field( unsigned int, len )
__field( int, ret )
),
@ -1484,7 +1457,7 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_exit,
TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u ret %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned) __entry->lblk, (unsigned long long) __entry->pblk,
__entry->lblk, __entry->pblk,
__entry->len, __entry->ret)
);
@ -1524,7 +1497,7 @@ TRACE_EVENT(ext4_ext_load_extent,
TP_printk("dev %d,%d ino %lu lblk %u pblk %llu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned) __entry->lblk, (unsigned long long) __entry->pblk)
__entry->lblk, __entry->pblk)
);
TRACE_EVENT(ext4_load_inode,