stable.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Theodore Ts'o <tytso@mit.edu>, Sasha Levin <sashal@kernel.org>,
	linux-ext4@vger.kernel.org
Subject: [PATCH AUTOSEL 4.14 15/21] ext4: increase wait time needed before reuse of deleted inode numbers
Date: Fri, 24 Apr 2020 08:24:13 -0400	[thread overview]
Message-ID: <20200424122419.10648-15-sashal@kernel.org> (raw)
In-Reply-To: <20200424122419.10648-1-sashal@kernel.org>

From: Theodore Ts'o <tytso@mit.edu>

[ Upstream commit a17a9d935dc4a50acefaf319d58030f1da7f115a ]

Current wait times have proven to be too short to protect against inode
reuses that lead to metadata inconsistencies.

Now that we will retry the inode allocation if we can't find any
recently deleted inodes, it's a lot safer to increase the recently
deleted time from 5 seconds to a minute.

Link: https://lore.kernel.org/r/20200414023925.273867-1-tytso@mit.edu
Google-Bug-Id: 36602237
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/ext4/ialloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 2a480c0ef1bc1..96efe53855a0b 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -673,7 +673,7 @@ static int find_group_other(struct super_block *sb, struct inode *parent,
  * block has been written back to disk.  (Yes, these values are
  * somewhat arbitrary...)
  */
-#define RECENTCY_MIN	5
+#define RECENTCY_MIN	60
 #define RECENTCY_DIRTY	300
 
 static int recently_deleted(struct super_block *sb, ext4_group_t group, int ino)
-- 
2.20.1


  parent reply	other threads:[~2020-04-24 12:27 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-24 12:23 [PATCH AUTOSEL 4.14 01/21] x86: hyperv: report value of misc_features Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 02/21] xfs: fix partially uninitialized structure in xfs_reflink_remap_extent Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 03/21] ALSA: hda: Don't release card at firmware loading error Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 04/21] ALSA: hda: Keep the controller initialization even if no codecs found Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 05/21] scsi: target: fix PR IN / READ FULL STATUS for FC Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 06/21] scsi: sg: add sg_remove_request in sg_common_write Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 07/21] objtool: Fix CONFIG_UBSAN_TRAP unreachable warnings Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 08/21] objtool: Support Clang non-section symbols in ORC dump Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 09/21] objtool: Fix switch table detection in .text.unlikely Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 10/21] xen/xenbus: ensure xenbus_map_ring_valloc() returns proper grant status Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 11/21] net/cxgb4: Check the return from t4_query_params properly Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 12/21] arm64: Delete the space separator in __emit_inst Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 13/21] ext4: use matching invalidatepage in ext4_writepage Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 14/21] ext4: use non-movable memory for superblock readahead Sasha Levin
2020-04-24 12:24 ` Sasha Levin [this message]
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 16/21] ext4: convert BUG_ON's to WARN_ON's in mballoc.c Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 17/21] net: stmmac: dwmac-sunxi: Provide TX and RX fifo sizes Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 18/21] amd-xgbe: Use __napi_schedule() in BH context Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 19/21] irqchip/mbigen: Free msi_desc on device teardown Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 20/21] of: unittest: kmemleak on changeset destroy Sasha Levin
2020-04-24 12:24 ` [PATCH AUTOSEL 4.14 21/21] hwmon: (jc42) Fix name to have no illegal characters Sasha Levin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200424122419.10648-15-sashal@kernel.org \
    --to=sashal@kernel.org \
    --cc=linux-ext4@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=stable@vger.kernel.org \
    --cc=tytso@mit.edu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).