Btrfs: optimize how we account for space in truncate

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Currently we're starting and stopping a transaction for no real reason, so kill
that and just reserve enough space as if we can truncate all in one transaction.
Also use btrfs_block_rsv_check() for our reserve to minimize the amount of space
we may have to allocate for our slack space.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>

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Josef Bacik 2011-08-08 13:46:15 -04:00

parent 13553e5221

commit 907cbcebd4

1 changed files with 29 additions and 29 deletions

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58

fs/btrfs/inode.c

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