ext4: convert instrumentation from markers to tracepoints
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 5afe437..83cf641 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -28,10 +28,12 @@
#include <linux/writeback.h>
#include <linux/jbd2.h>
#include <linux/blkdev.h>
-#include <linux/marker.h>
+
#include "ext4.h"
#include "ext4_jbd2.h"
+#include <trace/events/ext4.h>
+
/*
* akpm: A new design for ext4_sync_file().
*
@@ -52,9 +54,7 @@
J_ASSERT(ext4_journal_current_handle() == NULL);
- trace_mark(ext4_sync_file, "dev %s datasync %d ino %ld parent %ld",
- inode->i_sb->s_id, datasync, inode->i_ino,
- dentry->d_parent->d_inode->i_ino);
+ trace_ext4_sync_file(file, dentry, datasync);
/*
* data=writeback:
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 3743bd8..7d502f3 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -23,11 +23,14 @@
#include <linux/bitops.h>
#include <linux/blkdev.h>
#include <asm/byteorder.h>
+
#include "ext4.h"
#include "ext4_jbd2.h"
#include "xattr.h"
#include "acl.h"
+#include <trace/events/ext4.h>
+
/*
* ialloc.c contains the inodes allocation and deallocation routines
*/
@@ -208,11 +211,7 @@
ino = inode->i_ino;
ext4_debug("freeing inode %lu\n", ino);
- trace_mark(ext4_free_inode,
- "dev %s ino %lu mode %d uid %lu gid %lu bocks %llu",
- sb->s_id, inode->i_ino, inode->i_mode,
- (unsigned long) inode->i_uid, (unsigned long) inode->i_gid,
- (unsigned long long) inode->i_blocks);
+ trace_ext4_free_inode(inode);
/*
* Note: we must free any quota before locking the superblock,
@@ -815,8 +814,7 @@
sb = dir->i_sb;
ngroups = ext4_get_groups_count(sb);
- trace_mark(ext4_request_inode, "dev %s dir %lu mode %d", sb->s_id,
- dir->i_ino, mode);
+ trace_ext4_request_inode(dir, mode);
inode = new_inode(sb);
if (!inode)
return ERR_PTR(-ENOMEM);
@@ -1047,8 +1045,7 @@
}
ext4_debug("allocating inode %lu\n", inode->i_ino);
- trace_mark(ext4_allocate_inode, "dev %s ino %lu dir %lu mode %d",
- sb->s_id, inode->i_ino, dir->i_ino, mode);
+ trace_ext4_allocate_inode(inode, dir, mode);
goto really_out;
fail:
ext4_std_error(sb, err);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 875db94..2418ad3 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -37,11 +37,14 @@
#include <linux/namei.h>
#include <linux/uio.h>
#include <linux/bio.h>
+
#include "ext4_jbd2.h"
#include "xattr.h"
#include "acl.h"
#include "ext4_extents.h"
+#include <trace/events/ext4.h>
+
#define MPAGE_DA_EXTENT_TAIL 0x01
static inline int ext4_begin_ordered_truncate(struct inode *inode,
@@ -1466,10 +1469,7 @@
pgoff_t index;
unsigned from, to;
- trace_mark(ext4_write_begin,
- "dev %s ino %lu pos %llu len %u flags %u",
- inode->i_sb->s_id, inode->i_ino,
- (unsigned long long) pos, len, flags);
+ trace_ext4_write_begin(inode, pos, len, flags);
/*
* Reserve one block more for addition to orphan list in case
* we allocate blocks but write fails for some reason
@@ -1611,10 +1611,7 @@
struct inode *inode = mapping->host;
int ret = 0, ret2;
- trace_mark(ext4_ordered_write_end,
- "dev %s ino %lu pos %llu len %u copied %u",
- inode->i_sb->s_id, inode->i_ino,
- (unsigned long long) pos, len, copied);
+ trace_ext4_ordered_write_end(inode, pos, len, copied);
ret = ext4_jbd2_file_inode(handle, inode);
if (ret == 0) {
@@ -1658,10 +1655,7 @@
struct inode *inode = mapping->host;
int ret = 0, ret2;
- trace_mark(ext4_writeback_write_end,
- "dev %s ino %lu pos %llu len %u copied %u",
- inode->i_sb->s_id, inode->i_ino,
- (unsigned long long) pos, len, copied);
+ trace_ext4_writeback_write_end(inode, pos, len, copied);
ret2 = ext4_generic_write_end(file, mapping, pos, len, copied,
page, fsdata);
copied = ret2;
@@ -1705,10 +1699,7 @@
unsigned from, to;
loff_t new_i_size;
- trace_mark(ext4_journalled_write_end,
- "dev %s ino %lu pos %llu len %u copied %u",
- inode->i_sb->s_id, inode->i_ino,
- (unsigned long long) pos, len, copied);
+ trace_ext4_journalled_write_end(inode, pos, len, copied);
from = pos & (PAGE_CACHE_SIZE - 1);
to = from + len;
@@ -2554,9 +2545,7 @@
struct buffer_head *page_bufs;
struct inode *inode = page->mapping->host;
- trace_mark(ext4_da_writepage,
- "dev %s ino %lu page_index %lu",
- inode->i_sb->s_id, inode->i_ino, page->index);
+ trace_ext4_da_writepage(inode, page);
size = i_size_read(inode);
if (page->index == size >> PAGE_CACHE_SHIFT)
len = size & ~PAGE_CACHE_MASK;
@@ -2667,19 +2656,7 @@
int needed_blocks, ret = 0, nr_to_writebump = 0;
struct ext4_sb_info *sbi = EXT4_SB(mapping->host->i_sb);
- trace_mark(ext4_da_writepages,
- "dev %s ino %lu nr_t_write %ld "
- "pages_skipped %ld range_start %llu "
- "range_end %llu nonblocking %d "
- "for_kupdate %d for_reclaim %d "
- "for_writepages %d range_cyclic %d",
- inode->i_sb->s_id, inode->i_ino,
- wbc->nr_to_write, wbc->pages_skipped,
- (unsigned long long) wbc->range_start,
- (unsigned long long) wbc->range_end,
- wbc->nonblocking, wbc->for_kupdate,
- wbc->for_reclaim, wbc->for_writepages,
- wbc->range_cyclic);
+ trace_ext4_da_writepages(inode, wbc);
/*
* No pages to write? This is mainly a kludge to avoid starting
@@ -2845,14 +2822,7 @@
if (!no_nrwrite_index_update)
wbc->no_nrwrite_index_update = 0;
wbc->nr_to_write -= nr_to_writebump;
- trace_mark(ext4_da_writepage_result,
- "dev %s ino %lu ret %d pages_written %d "
- "pages_skipped %ld congestion %d "
- "more_io %d no_nrwrite_index_update %d",
- inode->i_sb->s_id, inode->i_ino, ret,
- pages_written, wbc->pages_skipped,
- wbc->encountered_congestion, wbc->more_io,
- wbc->no_nrwrite_index_update);
+ trace_ext4_da_writepages_result(inode, wbc, ret, pages_written);
return ret;
}
@@ -2904,11 +2874,7 @@
len, flags, pagep, fsdata);
}
*fsdata = (void *)0;
-
- trace_mark(ext4_da_write_begin,
- "dev %s ino %lu pos %llu len %u flags %u",
- inode->i_sb->s_id, inode->i_ino,
- (unsigned long long) pos, len, flags);
+ trace_ext4_da_write_begin(inode, pos, len, flags);
retry:
/*
* With delayed allocation, we don't log the i_disksize update
@@ -3001,10 +2967,7 @@
}
}
- trace_mark(ext4_da_write_end,
- "dev %s ino %lu pos %llu len %u copied %u",
- inode->i_sb->s_id, inode->i_ino,
- (unsigned long long) pos, len, copied);
+ trace_ext4_da_write_end(inode, pos, len, copied);
start = pos & (PAGE_CACHE_SIZE - 1);
end = start + copied - 1;
@@ -3255,9 +3218,7 @@
loff_t size = i_size_read(inode);
loff_t len;
- trace_mark(ext4_normal_writepage,
- "dev %s ino %lu page_index %lu",
- inode->i_sb->s_id, inode->i_ino, page->index);
+ trace_ext4_normal_writepage(inode, page);
J_ASSERT(PageLocked(page));
if (page->index == size >> PAGE_CACHE_SHIFT)
len = size & ~PAGE_CACHE_MASK;
@@ -3343,9 +3304,7 @@
loff_t size = i_size_read(inode);
loff_t len;
- trace_mark(ext4_journalled_writepage,
- "dev %s ino %lu page_index %lu",
- inode->i_sb->s_id, inode->i_ino, page->index);
+ trace_ext4_journalled_writepage(inode, page);
J_ASSERT(PageLocked(page));
if (page->index == size >> PAGE_CACHE_SHIFT)
len = size & ~PAGE_CACHE_MASK;
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index ed8482e..8d98070 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -22,6 +22,8 @@
*/
#include "mballoc.h"
+#include <trace/events/ext4.h>
+
/*
* MUSTDO:
* - test ext4_ext_search_left() and ext4_ext_search_right()
@@ -340,8 +342,6 @@
ext4_group_t group);
static void release_blocks_on_commit(journal_t *journal, transaction_t *txn);
-
-
static inline void *mb_correct_addr_and_bit(int *bit, void *addr)
{
#if BITS_PER_LONG == 64
@@ -2859,9 +2859,8 @@
discard_block = (ext4_fsblk_t) entry->group * EXT4_BLOCKS_PER_GROUP(sb)
+ entry->start_blk
+ le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block);
- trace_mark(ext4_discard_blocks, "dev %s blk %llu count %u",
- sb->s_id, (unsigned long long) discard_block,
- entry->count);
+ trace_ext4_discard_blocks(sb, (unsigned long long)discard_block,
+ entry->count);
sb_issue_discard(sb, discard_block, entry->count);
kmem_cache_free(ext4_free_ext_cachep, entry);
@@ -3629,10 +3628,7 @@
mb_debug("new inode pa %p: %llu/%u for %u\n", pa,
pa->pa_pstart, pa->pa_len, pa->pa_lstart);
- trace_mark(ext4_mb_new_inode_pa,
- "dev %s ino %lu pstart %llu len %u lstart %u",
- sb->s_id, ac->ac_inode->i_ino,
- pa->pa_pstart, pa->pa_len, pa->pa_lstart);
+ trace_ext4_mb_new_inode_pa(ac, pa);
ext4_mb_use_inode_pa(ac, pa);
atomic_add(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated);
@@ -3691,9 +3687,8 @@
pa->pa_type = MB_GROUP_PA;
mb_debug("new group pa %p: %llu/%u for %u\n", pa,
- pa->pa_pstart, pa->pa_len, pa->pa_lstart);
- trace_mark(ext4_mb_new_group_pa, "dev %s pstart %llu len %u lstart %u",
- sb->s_id, pa->pa_pstart, pa->pa_len, pa->pa_lstart);
+ pa->pa_pstart, pa->pa_len, pa->pa_lstart);
+ trace_ext4_mb_new_group_pa(ac, pa);
ext4_mb_use_group_pa(ac, pa);
atomic_add(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated);
@@ -3783,10 +3778,8 @@
ext4_mb_store_history(ac);
}
- trace_mark(ext4_mb_release_inode_pa,
- "dev %s ino %lu block %llu count %u",
- sb->s_id, pa->pa_inode->i_ino, grp_blk_start + bit,
- next - bit);
+ trace_ext4_mb_release_inode_pa(ac, pa, grp_blk_start + bit,
+ next - bit);
mb_free_blocks(pa->pa_inode, e4b, bit, next - bit);
bit = next + 1;
}
@@ -3820,8 +3813,7 @@
if (ac)
ac->ac_op = EXT4_MB_HISTORY_DISCARD;
- trace_mark(ext4_mb_release_group_pa, "dev %s pstart %llu len %d",
- sb->s_id, pa->pa_pstart, pa->pa_len);
+ trace_ext4_mb_release_group_pa(ac, 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);
@@ -3889,6 +3881,8 @@
INIT_LIST_HEAD(&list);
ac = kmem_cache_alloc(ext4_ac_cachep, GFP_NOFS);
+ if (ac)
+ ac->ac_sb = sb;
repeat:
ext4_lock_group(sb, group);
list_for_each_entry_safe(pa, tmp,
@@ -3987,12 +3981,15 @@
}
mb_debug("discard preallocation for inode %lu\n", inode->i_ino);
- trace_mark(ext4_discard_preallocations, "dev %s ino %lu", sb->s_id,
- inode->i_ino);
+ trace_ext4_discard_preallocations(inode);
INIT_LIST_HEAD(&list);
ac = kmem_cache_alloc(ext4_ac_cachep, GFP_NOFS);
+ if (ac) {
+ ac->ac_sb = sb;
+ ac->ac_inode = inode;
+ }
repeat:
/* first, collect all pa's in the inode */
spin_lock(&ei->i_prealloc_lock);
@@ -4276,6 +4273,8 @@
INIT_LIST_HEAD(&discard_list);
ac = kmem_cache_alloc(ext4_ac_cachep, GFP_NOFS);
+ if (ac)
+ ac->ac_sb = sb;
spin_lock(&lg->lg_prealloc_lock);
list_for_each_entry_rcu(pa, &lg->lg_prealloc_list[order],
@@ -4445,8 +4444,7 @@
int ret;
int freed = 0;
- trace_mark(ext4_mb_discard_preallocations, "dev %s needed %d",
- sb->s_id, needed);
+ trace_ext4_mb_discard_preallocations(sb, needed);
for (i = 0; i < ngroups && needed > 0; i++) {
ret = ext4_mb_discard_group_preallocations(sb, i, needed);
freed += ret;
@@ -4475,17 +4473,7 @@
sb = ar->inode->i_sb;
sbi = EXT4_SB(sb);
- trace_mark(ext4_request_blocks, "dev %s flags %u len %u ino %lu "
- "lblk %llu goal %llu lleft %llu lright %llu "
- "pleft %llu pright %llu ",
- sb->s_id, ar->flags, ar->len,
- ar->inode ? ar->inode->i_ino : 0,
- (unsigned long long) ar->logical,
- (unsigned long long) ar->goal,
- (unsigned long long) ar->lleft,
- (unsigned long long) ar->lright,
- (unsigned long long) ar->pleft,
- (unsigned long long) ar->pright);
+ trace_ext4_request_blocks(ar);
/*
* For delayed allocation, we could skip the ENOSPC and
@@ -4521,7 +4509,10 @@
}
ac = kmem_cache_alloc(ext4_ac_cachep, GFP_NOFS);
- if (!ac) {
+ if (ac) {
+ ac->ac_sb = sb;
+ ac->ac_inode = ar->inode;
+ } else {
ar->len = 0;
*errp = -ENOMEM;
goto out1;
@@ -4594,18 +4585,7 @@
reserv_blks);
}
- trace_mark(ext4_allocate_blocks,
- "dev %s block %llu flags %u len %u ino %lu "
- "logical %llu goal %llu lleft %llu lright %llu "
- "pleft %llu pright %llu ",
- sb->s_id, (unsigned long long) block,
- ar->flags, ar->len, ar->inode ? ar->inode->i_ino : 0,
- (unsigned long long) ar->logical,
- (unsigned long long) ar->goal,
- (unsigned long long) ar->lleft,
- (unsigned long long) ar->lright,
- (unsigned long long) ar->pleft,
- (unsigned long long) ar->pright);
+ trace_ext4_allocate_blocks(ar, (unsigned long long)block);
return block;
}
@@ -4740,10 +4720,7 @@
}
ext4_debug("freeing block %lu\n", block);
- trace_mark(ext4_free_blocks,
- "dev %s block %llu count %lu metadata %d ino %lu",
- sb->s_id, (unsigned long long) block, count, metadata,
- inode ? inode->i_ino : 0);
+ trace_ext4_free_blocks(inode, block, count, metadata);
ac = kmem_cache_alloc(ext4_ac_cachep, GFP_NOFS);
if (ac) {
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index 75e34f6..c96bb19 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -19,7 +19,6 @@
#include <linux/seq_file.h>
#include <linux/version.h>
#include <linux/blkdev.h>
-#include <linux/marker.h>
#include <linux/mutex.h>
#include "ext4_jbd2.h"
#include "ext4.h"
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 012c425..e8f0b2a 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -37,7 +37,6 @@
#include <linux/seq_file.h>
#include <linux/proc_fs.h>
#include <linux/ctype.h>
-#include <linux/marker.h>
#include <linux/log2.h>
#include <linux/crc16.h>
#include <asm/uaccess.h>
@@ -47,6 +46,9 @@
#include "xattr.h"
#include "acl.h"
+#define CREATE_TRACE_POINTS
+#include <trace/events/ext4.h>
+
static int default_mb_history_length = 1000;
module_param_named(default_mb_history_length, default_mb_history_length,
@@ -3346,7 +3348,7 @@
int ret = 0;
tid_t target;
- trace_mark(ext4_sync_fs, "dev %s wait %d", sb->s_id, wait);
+ trace_ext4_sync_fs(sb, wait);
if (jbd2_journal_start_commit(EXT4_SB(sb)->s_journal, &target)) {
if (wait)
jbd2_log_wait_commit(EXT4_SB(sb)->s_journal, target);
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
new file mode 100644
index 0000000..acf4cc9
--- /dev/null
+++ b/include/trace/events/ext4.h
@@ -0,0 +1,719 @@
+#if !defined(_TRACE_EXT4_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_EXT4_H
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ext4
+
+#include <linux/writeback.h>
+#include "../../../fs/ext4/ext4.h"
+#include "../../../fs/ext4/mballoc.h"
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(ext4_free_inode,
+ TP_PROTO(struct inode *inode),
+
+ TP_ARGS(inode),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( umode_t, mode )
+ __field( uid_t, uid )
+ __field( gid_t, gid )
+ __field( blkcnt_t, blocks )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->mode = inode->i_mode;
+ __entry->uid = inode->i_uid;
+ __entry->gid = inode->i_gid;
+ __entry->blocks = inode->i_blocks;
+ ),
+
+ TP_printk("dev %s ino %lu mode %d uid %u gid %u blocks %llu",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->mode,
+ __entry->uid, __entry->gid, __entry->blocks)
+);
+
+TRACE_EVENT(ext4_request_inode,
+ TP_PROTO(struct inode *dir, int mode),
+
+ TP_ARGS(dir, mode),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, dir )
+ __field( umode_t, mode )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = dir->i_sb->s_dev;
+ __entry->dir = dir->i_ino;
+ __entry->mode = mode;
+ ),
+
+ TP_printk("dev %s dir %lu mode %d",
+ jbd2_dev_to_name(__entry->dev), __entry->dir, __entry->mode)
+);
+
+TRACE_EVENT(ext4_allocate_inode,
+ TP_PROTO(struct inode *inode, struct inode *dir, int mode),
+
+ TP_ARGS(inode, dir, mode),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( ino_t, dir )
+ __field( umode_t, mode )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->dir = dir->i_ino;
+ __entry->mode = mode;
+ ),
+
+ TP_printk("dev %s ino %lu dir %lu mode %d",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->dir, __entry->mode)
+);
+
+TRACE_EVENT(ext4_write_begin,
+
+ TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
+ unsigned int flags),
+
+ TP_ARGS(inode, pos, len, flags),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( loff_t, pos )
+ __field( unsigned int, len )
+ __field( unsigned int, flags )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->pos = pos;
+ __entry->len = len;
+ __entry->flags = flags;
+ ),
+
+ TP_printk("dev %s ino %lu pos %llu len %u flags %u",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
+ __entry->flags)
+);
+
+TRACE_EVENT(ext4_ordered_write_end,
+ TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
+ unsigned int copied),
+
+ TP_ARGS(inode, pos, len, copied),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( loff_t, pos )
+ __field( unsigned int, len )
+ __field( unsigned int, copied )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->pos = pos;
+ __entry->len = len;
+ __entry->copied = copied;
+ ),
+
+ TP_printk("dev %s ino %lu pos %llu len %u copied %u",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
+ __entry->copied)
+);
+
+TRACE_EVENT(ext4_writeback_write_end,
+ TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
+ unsigned int copied),
+
+ TP_ARGS(inode, pos, len, copied),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( loff_t, pos )
+ __field( unsigned int, len )
+ __field( unsigned int, copied )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->pos = pos;
+ __entry->len = len;
+ __entry->copied = copied;
+ ),
+
+ TP_printk("dev %s ino %lu pos %llu len %u copied %u",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
+ __entry->copied)
+);
+
+TRACE_EVENT(ext4_journalled_write_end,
+ TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
+ unsigned int copied),
+ TP_ARGS(inode, pos, len, copied),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( loff_t, pos )
+ __field( unsigned int, len )
+ __field( unsigned int, copied )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->pos = pos;
+ __entry->len = len;
+ __entry->copied = copied;
+ ),
+
+ TP_printk("dev %s ino %lu pos %llu len %u copied %u",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
+ __entry->copied)
+);
+
+TRACE_EVENT(ext4_da_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 %s ino %lu page_index %lu",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->index)
+);
+
+TRACE_EVENT(ext4_da_writepages,
+ TP_PROTO(struct inode *inode, struct writeback_control *wbc),
+
+ TP_ARGS(inode, wbc),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( long, nr_to_write )
+ __field( long, pages_skipped )
+ __field( loff_t, range_start )
+ __field( loff_t, range_end )
+ __field( char, nonblocking )
+ __field( char, for_kupdate )
+ __field( char, for_reclaim )
+ __field( char, for_writepages )
+ __field( char, range_cyclic )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->nr_to_write = wbc->nr_to_write;
+ __entry->pages_skipped = wbc->pages_skipped;
+ __entry->range_start = wbc->range_start;
+ __entry->range_end = wbc->range_end;
+ __entry->nonblocking = wbc->nonblocking;
+ __entry->for_kupdate = wbc->for_kupdate;
+ __entry->for_reclaim = wbc->for_reclaim;
+ __entry->for_writepages = wbc->for_writepages;
+ __entry->range_cyclic = wbc->range_cyclic;
+ ),
+
+ TP_printk("dev %s ino %lu nr_t_write %ld pages_skipped %ld range_start %llu range_end %llu nonblocking %d for_kupdate %d for_reclaim %d for_writepages %d range_cyclic %d",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->nr_to_write,
+ __entry->pages_skipped, __entry->range_start,
+ __entry->range_end, __entry->nonblocking,
+ __entry->for_kupdate, __entry->for_reclaim,
+ __entry->for_writepages, __entry->range_cyclic)
+);
+
+TRACE_EVENT(ext4_da_writepages_result,
+ TP_PROTO(struct inode *inode, struct writeback_control *wbc,
+ int ret, int pages_written),
+
+ TP_ARGS(inode, wbc, ret, pages_written),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( int, ret )
+ __field( int, pages_written )
+ __field( long, pages_skipped )
+ __field( char, encountered_congestion )
+ __field( char, more_io )
+ __field( char, no_nrwrite_index_update )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->ret = ret;
+ __entry->pages_written = pages_written;
+ __entry->pages_skipped = wbc->pages_skipped;
+ __entry->encountered_congestion = wbc->encountered_congestion;
+ __entry->more_io = wbc->more_io;
+ __entry->no_nrwrite_index_update = wbc->no_nrwrite_index_update;
+ ),
+
+ TP_printk("dev %s ino %lu ret %d pages_written %d pages_skipped %ld congestion %d more_io %d no_nrwrite_index_update %d",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->ret,
+ __entry->pages_written, __entry->pages_skipped,
+ __entry->encountered_congestion, __entry->more_io,
+ __entry->no_nrwrite_index_update)
+);
+
+TRACE_EVENT(ext4_da_write_begin,
+ TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
+ unsigned int flags),
+
+ TP_ARGS(inode, pos, len, flags),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( loff_t, pos )
+ __field( unsigned int, len )
+ __field( unsigned int, flags )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->pos = pos;
+ __entry->len = len;
+ __entry->flags = flags;
+ ),
+
+ TP_printk("dev %s ino %lu pos %llu len %u flags %u",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
+ __entry->flags)
+);
+
+TRACE_EVENT(ext4_da_write_end,
+ TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
+ unsigned int copied),
+
+ TP_ARGS(inode, pos, len, copied),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( loff_t, pos )
+ __field( unsigned int, len )
+ __field( unsigned int, copied )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->pos = pos;
+ __entry->len = len;
+ __entry->copied = copied;
+ ),
+
+ TP_printk("dev %s ino %lu pos %llu len %u copied %u",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
+ __entry->copied)
+);
+
+TRACE_EVENT(ext4_normal_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 %s ino %lu page_index %lu",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->index)
+);
+
+TRACE_EVENT(ext4_journalled_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 %s ino %lu page_index %lu",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->index)
+);
+
+TRACE_EVENT(ext4_discard_blocks,
+ TP_PROTO(struct super_block *sb, unsigned long long blk,
+ unsigned long long count),
+
+ TP_ARGS(sb, blk, count),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( __u64, blk )
+ __field( __u64, count )
+
+ ),
+
+ TP_fast_assign(
+ __entry->dev = sb->s_dev;
+ __entry->blk = blk;
+ __entry->count = count;
+ ),
+
+ TP_printk("dev %s blk %llu count %llu",
+ jbd2_dev_to_name(__entry->dev), __entry->blk, __entry->count)
+);
+
+TRACE_EVENT(ext4_mb_new_inode_pa,
+ TP_PROTO(struct ext4_allocation_context *ac,
+ struct ext4_prealloc_space *pa),
+
+ TP_ARGS(ac, pa),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( __u64, pa_pstart )
+ __field( __u32, pa_len )
+ __field( __u64, pa_lstart )
+
+ ),
+
+ TP_fast_assign(
+ __entry->dev = ac->ac_sb->s_dev;
+ __entry->ino = ac->ac_inode->i_ino;
+ __entry->pa_pstart = pa->pa_pstart;
+ __entry->pa_len = pa->pa_len;
+ __entry->pa_lstart = pa->pa_lstart;
+ ),
+
+ TP_printk("dev %s ino %lu pstart %llu len %u lstart %llu",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pa_pstart,
+ __entry->pa_len, __entry->pa_lstart)
+);
+
+TRACE_EVENT(ext4_mb_new_group_pa,
+ TP_PROTO(struct ext4_allocation_context *ac,
+ struct ext4_prealloc_space *pa),
+
+ TP_ARGS(ac, pa),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( __u64, pa_pstart )
+ __field( __u32, pa_len )
+ __field( __u64, pa_lstart )
+
+ ),
+
+ TP_fast_assign(
+ __entry->dev = ac->ac_sb->s_dev;
+ __entry->ino = ac->ac_inode->i_ino;
+ __entry->pa_pstart = pa->pa_pstart;
+ __entry->pa_len = pa->pa_len;
+ __entry->pa_lstart = pa->pa_lstart;
+ ),
+
+ TP_printk("dev %s ino %lu pstart %llu len %u lstart %llu",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pa_pstart,
+ __entry->pa_len, __entry->pa_lstart)
+);
+
+TRACE_EVENT(ext4_mb_release_inode_pa,
+ TP_PROTO(struct ext4_allocation_context *ac,
+ struct ext4_prealloc_space *pa,
+ unsigned long long block, unsigned int count),
+
+ TP_ARGS(ac, pa, block, count),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( __u64, block )
+ __field( __u32, count )
+
+ ),
+
+ TP_fast_assign(
+ __entry->dev = ac->ac_sb->s_dev;
+ __entry->ino = ac->ac_inode->i_ino;
+ __entry->block = block;
+ __entry->count = count;
+ ),
+
+ TP_printk("dev %s ino %lu block %llu count %u",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->block,
+ __entry->count)
+);
+
+TRACE_EVENT(ext4_mb_release_group_pa,
+ TP_PROTO(struct ext4_allocation_context *ac,
+ struct ext4_prealloc_space *pa),
+
+ TP_ARGS(ac, pa),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( __u64, pa_pstart )
+ __field( __u32, pa_len )
+
+ ),
+
+ TP_fast_assign(
+ __entry->dev = ac->ac_sb->s_dev;
+ __entry->ino = ac->ac_inode->i_ino;
+ __entry->pa_pstart = pa->pa_pstart;
+ __entry->pa_len = pa->pa_len;
+ ),
+
+ TP_printk("dev %s pstart %llu len %u",
+ jbd2_dev_to_name(__entry->dev), __entry->pa_pstart, __entry->pa_len)
+);
+
+TRACE_EVENT(ext4_discard_preallocations,
+ TP_PROTO(struct inode *inode),
+
+ TP_ARGS(inode),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ ),
+
+ TP_printk("dev %s ino %lu",
+ jbd2_dev_to_name(__entry->dev), __entry->ino)
+);
+
+TRACE_EVENT(ext4_mb_discard_preallocations,
+ TP_PROTO(struct super_block *sb, int needed),
+
+ TP_ARGS(sb, needed),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( int, needed )
+
+ ),
+
+ TP_fast_assign(
+ __entry->dev = sb->s_dev;
+ __entry->needed = needed;
+ ),
+
+ TP_printk("dev %s needed %d",
+ jbd2_dev_to_name(__entry->dev), __entry->needed)
+);
+
+TRACE_EVENT(ext4_request_blocks,
+ TP_PROTO(struct ext4_allocation_request *ar),
+
+ TP_ARGS(ar),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( unsigned int, flags )
+ __field( unsigned int, len )
+ __field( __u64, logical )
+ __field( __u64, goal )
+ __field( __u64, lleft )
+ __field( __u64, lright )
+ __field( __u64, pleft )
+ __field( __u64, pright )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = ar->inode->i_sb->s_dev;
+ __entry->ino = ar->inode->i_ino;
+ __entry->flags = ar->flags;
+ __entry->len = ar->len;
+ __entry->logical = ar->logical;
+ __entry->goal = ar->goal;
+ __entry->lleft = ar->lleft;
+ __entry->lright = ar->lright;
+ __entry->pleft = ar->pleft;
+ __entry->pright = ar->pright;
+ ),
+
+ TP_printk("dev %s ino %lu flags %u len %u lblk %llu goal %llu lleft %llu lright %llu pleft %llu pright %llu ",
+ jbd2_dev_to_name(__entry->dev), __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)
+);
+
+TRACE_EVENT(ext4_allocate_blocks,
+ TP_PROTO(struct ext4_allocation_request *ar, unsigned long long block),
+
+ TP_ARGS(ar, block),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( __u64, block )
+ __field( unsigned int, flags )
+ __field( unsigned int, len )
+ __field( __u64, logical )
+ __field( __u64, goal )
+ __field( __u64, lleft )
+ __field( __u64, lright )
+ __field( __u64, pleft )
+ __field( __u64, pright )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = ar->inode->i_sb->s_dev;
+ __entry->ino = ar->inode->i_ino;
+ __entry->block = block;
+ __entry->flags = ar->flags;
+ __entry->len = ar->len;
+ __entry->logical = ar->logical;
+ __entry->goal = ar->goal;
+ __entry->lleft = ar->lleft;
+ __entry->lright = ar->lright;
+ __entry->pleft = ar->pleft;
+ __entry->pright = ar->pright;
+ ),
+
+ TP_printk("dev %s ino %lu flags %u len %u block %llu lblk %llu goal %llu lleft %llu lright %llu pleft %llu pright %llu ",
+ jbd2_dev_to_name(__entry->dev), __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)
+);
+
+TRACE_EVENT(ext4_free_blocks,
+ TP_PROTO(struct inode *inode, __u64 block, unsigned long count,
+ int metadata),
+
+ TP_ARGS(inode, block, count, metadata),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( __u64, block )
+ __field( unsigned long, count )
+ __field( int, metadata )
+
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->block = block;
+ __entry->count = count;
+ __entry->metadata = metadata;
+ ),
+
+ TP_printk("dev %s ino %lu block %llu count %lu metadata %d",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->block,
+ __entry->count, __entry->metadata)
+);
+
+TRACE_EVENT(ext4_sync_file,
+ TP_PROTO(struct file *file, struct dentry *dentry, int datasync),
+
+ TP_ARGS(file, dentry, datasync),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( ino_t, parent )
+ __field( int, datasync )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = dentry->d_inode->i_sb->s_dev;
+ __entry->ino = dentry->d_inode->i_ino;
+ __entry->datasync = datasync;
+ __entry->parent = dentry->d_parent->d_inode->i_ino;
+ ),
+
+ TP_printk("dev %s ino %ld parent %ld datasync %d ",
+ jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->parent,
+ __entry->datasync)
+);
+
+TRACE_EVENT(ext4_sync_fs,
+ TP_PROTO(struct super_block *sb, int wait),
+
+ TP_ARGS(sb, wait),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( int, wait )
+
+ ),
+
+ TP_fast_assign(
+ __entry->dev = sb->s_dev;
+ __entry->wait = wait;
+ ),
+
+ TP_printk("dev %s wait %d", jbd2_dev_to_name(__entry->dev),
+ __entry->wait)
+);
+
+#endif /* _TRACE_EXT4_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>