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| author | Filipe Manana <fdmanana@suse.com> | 2026-05-08 17:09:48 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2026-05-24 03:01:09 +0200 |
| commit | b118d401f662190dec0e2b82906934940ea97b35 (patch) | |
| tree | cce1240a93bb3b3c131920130184d0aaa0dd75b7 /fs | |
| parent | a34c4d8dda4d7e93fe411a2217e0dfbc7418aba8 (diff) | |
| download | linux-next-history-b118d401f662190dec0e2b82906934940ea97b35.tar.gz | |
btrfs: tracepoints: add trace event for log_new_delayed_dentries()
log_new_delayed_dentries() is an important step called during a fsync, as
well as during rename and link operations on inodes that were previously
logged. Add trace events for when entering and exiting that function.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/tree-log.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 6be98f8a3b43e..7a1cd93c45824 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -6845,6 +6845,15 @@ static int log_new_delayed_dentries(struct btrfs_trans_handle *trans, lockdep_assert_not_held(&inode->log_mutex); ASSERT(!ctx->logging_new_delayed_dentries); + + /* + * Return early if empty list, avoid emitting redundant trace events + * that generate noise only. + */ + if (list_empty(delayed_ins_list)) + return 0; + + trace_btrfs_log_new_delayed_dentries_enter(trans, inode); ctx->logging_new_delayed_dentries = true; list_for_each_entry(item, delayed_ins_list, log_list) { @@ -6887,6 +6896,7 @@ static int log_new_delayed_dentries(struct btrfs_trans_handle *trans, ctx->log_new_dentries = orig_log_new_dentries; ctx->logging_new_delayed_dentries = false; + trace_btrfs_log_new_delayed_dentries_exit(trans, inode, ret); return ret; } |