[xfs-masters] [Bug 79721] New: tar sometimes throws "No space left on device" error when untarring large source tree.

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=79721

            Bug ID: 79721
           Summary: tar sometimes throws "No space left on device" error
                    when untarring large source tree.
           Product: File System
           Version: 2.5
    Kernel Version: 3.15.3-gentoo
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: XFS
          Assignee: xfs-masters at oss.sgi.com
          Reporter: jyhpsycho at gmail.com
        Regression: No

I created 1 GiB image file for test, and create XFS filesystem on it.

# mkfs.xfs -b size=512 -d agcount=1 -i maxpct=0 -l size=262144b,lazy-cout=0
IMAGE

When I try to extract linux 3.15 source tree on it, sometimes tar throws error
such as:

tar: linux-3.15/drivers/input/serio/hp_sdc_mlc.c: Cannot open: No space left on
device
tar: linux-3.15/drivers/input/mtd/ubi/upd.c: Cannot open: No space left on
device
tar: linux-3.15/drivers/input/pci/hotplug/cpci_hotplug.h: Cannot open: No space
left on device
tar: linux-3.15/drivers/input/regulator/da9052-regulator.c: Cannot open: No
space left on device

There's no any kernel report message. It occurs very randomly, sometimes it
does not occur, sometimes it occurs with different file name or count.

df result (skip some pseudo-filesystems):
# df
Filesystem 1K-blocks    Used Available Use% Mounted on
/dev/sda3  32373572  5399200  26974372  17% /
/dev/loop0 917504     555434    362701  61% /root/TEST

# uname -a
Linux localhost 3.15.3-gentoo #5 SMP PREEMPT Tue Jul 8 16:55:03 KST 2014 x86_64
Intel(R) Core(TM) i5-2500S CPU @ 2.70GHz GenuineIntel GNU/Linux
# mkfs.xfs -V
mkfs.xfs version 3.1.11

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