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Btrfs: fix off-by-one error of the same page check in btrfs_punch_hole()
authorMiao Xie <miaox@cn.fujitsu.com>
Wed, 5 Dec 2012 10:53:45 +0000 (10:53 +0000)
committerChris Mason <chris.mason@fusionio.com>
Mon, 17 Dec 2012 01:46:19 +0000 (20:46 -0500)
commit6347b3c433a4cff00eb2299c7f2c7d1d8b24c1fc
tree528eabdcc7fe59c50ac8dba4347851f05ff83b2dtree
parent4b5829a8e3104c8bc115d926a0285d3ff9bcfc77commit | diff
Btrfs: fix off-by-one error of the same page check in btrfs_punch_hole()

(start + len) is the start of the adjacent extent, not the end of the current
extent, so we should not use it to check the hole is on the same page or not.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
fs/btrfs/file.c diff | blob | blame | history
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