ext4: add online resizing support for meta_bg and 64-bit file systems

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This patch adds support for resizing file systems with the meta_bg and
64bit features.

[ Added a fix by tytso to fix a divide by zero when resizing a
  filesystem from 14 TB to 18TB.  Also fixed overhead accounting for
  meta_bg file systems.]

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

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This commit is contained in:

Yongqiang Yang 2012-09-05 01:33:50 -04:00 • committed by Theodore Ts'o

parent 28623c2f5b

commit 01f795f9e0

2 changed files with 165 additions and 65 deletions

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15

fs/ext4/ioctl.c

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215

fs/ext4/resize.c

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