From: Patrick Farrell <pfarrell@whamcloud.com>
Date: Wed, 14 Feb 2024 17:41:32 +0000 (-0500)
Subject: LU-15069 llite: Add RAS_CDEBUG in needed spots
X-Git-Tag: 2.15.62~151
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=refs%2Fchanges%2F56%2F45656%2F9;p=fs%2Flustre-release.git

LU-15069 llite: Add RAS_CDEBUG in needed spots

Some of the basic readahead state controlling functions
don't dump the readahead state.

Fix that.

Test-Parameters: trivial
Signed-off-by: Patrick Farrell <pfarrell@whamcloud.com>
Change-Id: Ia36a8437d1877a31bfc18c1b6a4170f31383ae66
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/45656
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Sebastien Buisson <sbuisson@ddn.com>
Reviewed-by: Timothy Day <timday@amazon.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
---

diff --git a/lustre/llite/rw.c b/lustre/llite/rw.c
index e311f40..5d45365 100644
--- a/lustre/llite/rw.c
+++ b/lustre/llite/rw.c
@@ -1182,6 +1182,7 @@ static void ras_detect_read_pattern(struct ll_readahead_state *ras,
 	bool stride_detect = false;
 	pgoff_t index = pos >> PAGE_SHIFT;
 
+	RAS_CDEBUG(ras);
 	/*
 	 * Reset the read-ahead window in two cases. First when the app seeks
 	 * or reads to some other part of the file. Secondly if we get a
@@ -1235,6 +1236,7 @@ static void ras_detect_read_pattern(struct ll_readahead_state *ras,
 	}
 
 	ras->ras_last_read_end_bytes = pos + bytes - 1;
+	RAS_CDEBUG(ras);
 }
 
 void ll_ras_enter(struct file *f, loff_t pos, size_t bytes)
@@ -1322,6 +1324,8 @@ static void ras_update(struct ll_sb_info *sbi, struct inode *inode,
 	ENTRY;
 	spin_lock(&ras->ras_lock);
 
+	RAS_CDEBUG(ras);
+
 	if (!hit)
 		CDEBUG(D_READA|D_IOTRACE, DFID " pages at %lu miss.\n",
 		       PFID(ll_inode2fid(inode)), index);
@@ -1444,6 +1448,7 @@ skip_miss_checking:
 
 	EXIT;
 out_unlock:
+	RAS_CDEBUG(ras);
 	spin_unlock(&ras->ras_lock);
 }