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swh:1:snp:49cd9498d6cccc5e78252c27dcb645bcf7bf0c91
Revision a970b0a16cc416a509d5ae8b1d70978664e6f4fe authored by Josef Bacik on 28 June 2009, 01:07:34 UTC, committed by Chris Mason on 02 July 2009, 17:41:16 UTC 
Btrfs: account for space we may use in fallocate
 
Using Eric Sandeen's xfstest for fallocate, you can easily trigger a ENOSPC
panic on btrfs.  This is because we do not account for data we may use when
doing the fallocate.  This patch fixes the problem by properly reserving space,
and then just freeing it when we are done.  The reservation stuff was made with
delalloc in mind, so its a little crude for this case, but it keeps the box
from panicing.

Signed-off-by: Josef Bacik <jbacik@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
1 parent c8a894d
History
Tip revision: 644e9524388a5dbc6d4f58c492ee9ef7bd4ddf4d authored by Linus Torvalds on 26 November 2022, 02:02:49 UTC
Merge tag 'for-v6.1-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Tip revision: 644e952
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