From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Khazhismel Kumykov <khazhy@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 4.18 27/27] fs/fat/fatent.c: add cond_resched() to fat_count_free_clusters()
Date: Mon, 22 Oct 2018 06:19:24 -0400 [thread overview]
Message-ID: <20181022101924.40531-27-sashal@kernel.org> (raw)
In-Reply-To: <20181022101924.40531-1-sashal@kernel.org>
From: Khazhismel Kumykov <khazhy@google.com>
[ Upstream commit ac081c3be3fae6d0cc3e1862507fca3862d30b67 ]
On non-preempt kernels this loop can take a long time (more than 50 ticks)
processing through entries.
Link: http://lkml.kernel.org/r/20181010172623.57033-1-khazhy@google.com
Signed-off-by: Khazhismel Kumykov <khazhy@google.com>
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/fat/fatent.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index 3aef8630a4b9..95d2c716e0da 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -681,6 +681,7 @@ int fat_count_free_clusters(struct super_block *sb)
if (ops->ent_get(&fatent) == FAT_ENT_FREE)
free++;
} while (fat_ent_next(sbi, &fatent));
+ cond_resched();
}
sbi->free_clusters = free;
sbi->free_clus_valid = 1;
--
2.17.1
prev parent reply other threads:[~2018-10-22 10:20 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-22 10:18 [PATCH AUTOSEL 4.18 01/27] ARM: dts: imx53-qsb: disable 1.2GHz OPP Sasha Levin
2018-10-22 10:18 ` [PATCH AUTOSEL 4.18 02/27] s390/hibernate: fix error handling when suspend cpu != resume cpu Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 03/27] perf report: Don't try to map ip to invalid map Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 04/27] Input: i8042 - enable keyboard wakeups by default when s2idle is used Sasha Levin
2018-10-22 16:58 ` Dmitry Torokhov
2018-10-23 15:48 ` Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 05/27] Input: mousedev - add a schedule point in mousedev_write() Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 06/27] perf python: Use -Wno-redundant-decls to build with PYTHON=python3 Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 07/27] perf record: Use unmapped IP for inline callchain cursors Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 08/27] Input: evdev - add a schedule point in evdev_write() Sasha Levin
2018-10-22 17:02 ` Dmitry Torokhov
2018-10-23 15:49 ` Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 09/27] Input: uinput - add a schedule point in uinput_inject_events() Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 10/27] rxrpc: Don't check RXRPC_CALL_TX_LAST after calling rxrpc_rotate_tx_window() Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 11/27] rxrpc: Carry call state out of locked section in rxrpc_rotate_tx_window() Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 12/27] rxrpc: Only take the rwind and mtu values from latest ACK Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 13/27] rxrpc: Fix connection-level abort handling Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 14/27] KVM: x86: support CONFIG_KVM_AMD=y with CONFIG_CRYPTO_DEV_CCP_DD=m Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 15/27] net: ena: fix warning in rmmod caused by double iounmap Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 16/27] net: ena: fix rare bug when failed restart/resume is followed by driver removal Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 17/27] net: ena: fix NULL dereference due to untimely napi initialization Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 18/27] libertas: call into generic suspend code before turning off power Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 19/27] gpio: Assign gpio_irq_chip::parents to non-stack pointer Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 20/27] IB/mlx5: Unmap DMA addr from HCA before IOMMU Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 21/27] rds: RDS (tcp) hangs on sendto() to unresponding address Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 22/27] selftests: rtnetlink.sh explicitly requires bash Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 23/27] selftests: udpgso_bench.sh " Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 24/27] vmlinux.lds.h: Fix incomplete .text.exit discards Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 25/27] vmlinux.lds.h: Fix linker warnings about orphan .LPBX sections Sasha Levin
2018-10-22 10:19 ` [PATCH AUTOSEL 4.18 26/27] afs: Fix cell proc list Sasha Levin
2018-10-22 10:19 ` Sasha Levin [this message]
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