linux-kernel - [PATCH v2 0/2] optimize empty entry hint

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Message-ID: <PUZPR04MB63164ACED51074ACFA332BC181399@PUZPR04MB6316.apcprd04.prod.outlook.com>
Date:   Wed, 2 Nov 2022 07:11:15 +0000
From:   "Yuezhang.Mo@...y.com" <Yuezhang.Mo@...y.com>
To:     Namjae Jeon <linkinjeon@...nel.org>,
        Sungjong Seo <sj1557.seo@...sung.com>
CC:     linux-kernel <linux-kernel@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        "Andy.Wu@...y.com" <Andy.Wu@...y.com>,
        "Wataru.Aoyama@...y.com" <Wataru.Aoyama@...y.com>
Subject: [PATCH v2 0/2] optimize empty entry hint

These commits reduce the number of directory entries traversed by
optimizing empty entry hint.

Changes for v2:
  - [1/2]
    - add exfat_reset_empty_hint()
    - rename exfat_hint_empty_entry() to exfat_set_empty_hint()
    - remove the condition `ei->hint_femp.count < num_entries`
  - [2/2]
    - Check the empty entries after unused entry in
      exfat_search_empty_slot()

Yuezhang Mo (2):
  exfat: simplify empty entry hint
  exfat: hint the empty entry which at the end of cluster chain

 fs/exfat/dir.c   | 76 +++++++++++++++++++++++++++++++-----------------
 fs/exfat/namei.c | 33 +++++++++++++--------
 2 files changed, 70 insertions(+), 39 deletions(-)

-- 
2.25.1