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H A D | extents.c | diff f7d0d3797fac6cad24ad9f86dd9baf65c586b434 Sun Jul 17 22:17:02 CDT 2011 Allison Henderson <achender@linux.vnet.ibm.com> ext4: punch hole optimizations: skip un-needed extent lookup
This patch optimizes the punch hole operation by skipping the tree walking code that is used by truncate. Since punch hole is done through map blocks, the path to the extent is already known in this function, so we do not need to look it up again.
Signed-off-by: Allison Henderson <achender@linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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