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Date: Tue, 11 Mar 2008 11:25:55 +0530
From: "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To: cmm@...ibm.com, tytso@....edu
Cc: linux-ext4@...r.kernel.org
Subject: Re: [PATCH] ext4: Fix fallocate to update the file size in each
transaction.
On Tue, Mar 11, 2008 at 11:17:25AM +0530, Aneesh Kumar K.V wrote:
> ext4_fallocate need to update file size in each transaction. Otherwise
> ife we crash the file size won't be updated. We were also not marking
> the inode dirty after updating file size before. Also when we try to
> retry allocation due to ENOSPC make sure we reset the variable ret so
> that we actually do a retry.
>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com>
Tested fallocate series with a modifed fsx-linux
/usr/local/fsx-linux/bin/fsx-linux -x 1 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -r 4096 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -r 2048 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -b 1000 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -s 1 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 2048 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 4096 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 2048 -t 2048 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 4096 -w 4096 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 2048 -w 2048 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 4096 -w 4096 -A -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 2048 -w 2048 -A -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 4096 -w 4096 -A -O -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 2048 -w 2048 -A -O -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 4096 -w 4096 -A -S 0 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 2048 -w 2048 -A -S 2000 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 4096 -w 4096 -W -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 2048 -w 2048 -W -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 4096 -w 4096 -W -A -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 2048 -w 2048 -W -A -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 4096 -w 4096 -A -R -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 2048 -w 2048 -A -R -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 4096 -w 4096 -Z -R -W -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -t 2048 -w 2048 -Z -R -W -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -l 500000 -r 4096 -w 4096 -Z -R -W -A -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -A -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 1024 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 2048 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 4096 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 8192 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 16384 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 32768 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 128000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 1024 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 2048 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 4096 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 8192 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 16384 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 32768 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 128000 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 1024 -A -l 500000 -r 2048 -t 4096 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 2048 -A -l 500000 -r 512 -t 2048 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 4096 -A -l 500000 -r 512 -t 4096 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 8192 -A -l 500000 -r 1024 -t 2048 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 16384 -A -l 500000 -r 4096 -t 4096 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 32768 -A -l 500000 -r 2048 -t 2048 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 128000 -A -l 500000 -r 512 -t 4096 -w 1024 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 32768 -r 4096 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 128000 -r 2048 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 1024 -l 500000 -r 4096 -t 4096 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 2048 -l 500000 -r 4096 -t 2048 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 4096 -l 500000 -r 4096 -t 4096 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 8192 -l 500000 -r 4096 -t 2048 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 16384 -l 500000 -r 4096 -t 4096 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 32768 -l 500000 -r 4096 -t 2048 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 128000 -l 500000 -r 4096 -t 4096 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 128000 -l 500000 -r 4096 -t 4096 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 16384 -A -l 500000 -r 4096 -t 4096 -w 4096 /mnt/tmp/junkfile1 &
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 32768 -A -l 500000 -r 4096 -t 2048 -w 2048 /mnt/tmp/junkfile2 &
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 128000 -A -l 500000 -r 4096 -t 4096 -w 4096 /mnt/tmp/junkfile3 &
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 16384 -A -l 500000 -r 4096 -t 4096 -w 4096 /mnt/tmp/junkfile4 &
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 32768 -A -l 500000 -r 4096 -t 2048 -w 2048 /mnt/tmp/junkfile5 &
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 128000 -A -l 500000 -r 4096 -t 4096 -w 4096 /mnt/tmp/junkfile6 &
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -A /mnt/tmp/junkfile7 &
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 100000 -A /mnt/tmp/junkfile8 &
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 100000 -A /mnt/tmp/junkfile9 &
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 8192 -A -l 500000 -r 1024 -t 2048 -w 1024 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 1 -N 10000 -o 16384 -A -l 500000 -r 2048 -t 4096 -w 1024 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -n -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -r 4096 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -r 2048 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -b 1000 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -s 1 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 2048 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 4096 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 2048 -t 2048 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 4096 -w 4096 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 2048 -w 2048 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 4096 -w 4096 -A -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 2048 -w 2048 -A -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 4096 -w 4096 -A -O -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 2048 -w 2048 -A -O -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 4096 -w 4096 -A -S 0 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 2048 -w 2048 -A -S 2000 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 4096 -w 4096 -W -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 2048 -w 2048 -W -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 4096 -w 4096 -W -A -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 2048 -w 2048 -W -A -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 4096 -w 4096 -A -R -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 2048 -w 2048 -A -R -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 4096 -w 4096 -Z -R -W -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -t 2048 -w 2048 -Z -R -W -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -l 500000 -r 4096 -w 4096 -Z -R -W -A -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -A -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 1024 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 2048 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 4096 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 8192 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 16384 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 32768 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 128000 /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 1024 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 2048 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 4096 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 8192 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 16384 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 32768 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 128000 -A /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 1024 -A -l 500000 -r 2048 -t 4096 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 2048 -A -l 500000 -r 512 -t 2048 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 4096 -A -l 500000 -r 512 -t 4096 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 8192 -A -l 500000 -r 1024 -t 2048 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 16384 -A -l 500000 -r 4096 -t 4096 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 32768 -A -l 500000 -r 2048 -t 2048 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 128000 -A -l 500000 -r 512 -t 4096 -w 1024 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 32768 -r 4096 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 128000 -r 2048 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 1024 -l 500000 -r 4096 -t 4096 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 2048 -l 500000 -r 4096 -t 2048 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 4096 -l 500000 -r 4096 -t 4096 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 8192 -l 500000 -r 4096 -t 2048 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 16384 -l 500000 -r 4096 -t 4096 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 32768 -l 500000 -r 4096 -t 2048 -w 2048 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 128000 -l 500000 -r 4096 -t 4096 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 128000 -l 500000 -r 4096 -t 4096 -w 4096 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 16384 -A -l 500000 -r 4096 -t 4096 -w 4096 /mnt/tmp/junkfile1 &
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 32768 -A -l 500000 -r 4096 -t 2048 -w 2048 /mnt/tmp/junkfile2 &
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 128000 -A -l 500000 -r 4096 -t 4096 -w 4096 /mnt/tmp/junkfile3 &
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 16384 -A -l 500000 -r 4096 -t 4096 -w 4096 /mnt/tmp/junkfile4 &
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 32768 -A -l 500000 -r 4096 -t 2048 -w 2048 /mnt/tmp/junkfile5 &
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 128000 -A -l 500000 -r 4096 -t 4096 -w 4096 /mnt/tmp/junkfile6 &
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -A /mnt/tmp/junkfile7 &
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 100000 -A /mnt/tmp/junkfile8 &
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 100000 -A /mnt/tmp/junkfile9 &
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 8192 -A -l 500000 -r 1024 -t 2048 -w 1024 -Z -R -W /mnt/tmp/junkfile
/usr/local/fsx-linux/bin/fsx-linux -x 2 -N 10000 -o 16384 -A -l 500000 -r 2048 -t 4096 -w 1024 -Z -R -W /mnt/tmp/junkfile
--- /home/kvaneesh/tmp/autotest/client/tests/fsx/src/fsx-linux.c 2007-09-12 20:56:25.000000000 +0530
+++ fsx-linux.c 2008-03-09 17:03:56.000000000 +0530
@@ -114,10 +114,12 @@
int mapped_writes = 1; /* -W flag disables */
int mapped_reads = 1; /* -R flag disables it */
int fsxgoodfd = 0;
int o_direct; /* -Z */
int aio = 0;
+int prealloc = 0; /* -x [0|1]run test with prealloc default
+ disabled */
#ifdef AIO
int aio_rw(int rw, int fd, char *buf, unsigned len, unsigned offset);
#define READ 0
#define WRITE 1
@@ -849,10 +851,11 @@
-P: save .fsxlog and .fsxgood files in dirpath (default ./)\n\
-S seed: for random # generator (default 1) 0 gets timestamp\n\
-W: mapped write operations DISabled\n\
-R: read() system calls only (mapped reads disabled)\n\
-Z: O_DIRECT (use -R, -W, -r and -w too)\n\
+ -x: run test after preallocating the area (1|2) 2 to not update size.\n\
fname: this filename is REQUIRED (no default)\n");
exit(90);
}
@@ -973,12 +976,12 @@
goodfile[0] = 0;
logfile[0] = 0;
setvbuf(stdout, (char *)0, _IOLBF, 0); /* line buffered stdout */
- while ((ch = getopt(argc, argv, "b:c:dfl:m:no:p:qr:s:t:w:AD:LN:OP:RS:WZ"))
- != EOF)
+ while ((ch = getopt(argc, argv,
+ "b:c:dfl:m:no:p:qr:s:t:w:AD:LN:OP:RS:WZx:")) != EOF)
switch (ch) {
case 'b':
simulatedopcount = getnum(optarg, &endp);
if (!quiet)
fprintf(stdout, "Will begin at operation %ld\n",
@@ -1098,10 +1101,15 @@
fprintf(stdout, "mapped writes DISABLED\n");
break;
case 'Z':
o_direct = O_DIRECT;
break;
+ case 'x':
+ prealloc = getnum(optarg, &endp);
+ if (prealloc <= 0)
+ usage();
+ break;
default:
usage();
/* NOTREACHED */
}
argc -= optind;
@@ -1128,10 +1136,43 @@
O_RDWR|(lite ? 0 : O_CREAT|O_TRUNC)|o_direct, 0666);
if (fd < 0) {
prterr(fname);
exit(91);
}
+#define FALLOC_FL_KEEP_SIZE 0x01
+#ifdef __i386__
+#define __NR_fallocate 324
+ loff_t offset, maxlen;
+ offset = 0;
+ maxlen = maxfilelen;
+ if (prealloc == 1) {
+ if (syscall(__NR_fallocate, fd, 0, offset, maxlen) < 0) {
+ prterr(fname);
+ exit(97);
+ }
+ } else if (prealloc == 2) {
+ if (syscall(__NR_fallocate, fd, FALLOC_FL_KEEP_SIZE, offset, maxlen) < 0) {
+ prterr(fname);
+ exit(97);
+ }
+ }
+#elif defined (__powerpc__)
+#define __NR_fallocate 309
+ /* Work only with 32 bit user space */
+ unsigned int maxlen = maxfilelen;
+ if (prealloc == 1) {
+ if (syscall(__NR_fallocate, fd, 0, 0, 0, 0, maxlen) < 0) {
+ prterr(fname);
+ exit(97);
+ }
+ } else if (prealloc == 2) {
+ if (syscall(__NR_fallocate, fd, FALLOC_FL_KEEP_SIZE, 0, 0, 0, maxlen) < 0) {
+ prterr(fname);
+ exit(97);
+ }
+ }
+#endif
strncat(goodfile, fname, 256);
strcat (goodfile, ".fsxgood");
fsxgoodfd = open(goodfile, O_RDWR|O_CREAT|O_TRUNC, 0666);
if (fsxgoodfd < 0) {
prterr(goodfile);
--
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