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67de22cb0b
commit df3cb754d1 upstream.
When expanding a file system from (16TiB-2MiB) to 18TiB, the operation
exits early which leads to result inconsistency between resize2fs and
Ext4 kernel driver.
=== before ===
○ → resize2fs /dev/mapper/thin
resize2fs 1.45.5 (07-Jan-2020)
Filesystem at /dev/mapper/thin is mounted on /mnt/test; on-line resizing required
old_desc_blocks = 2048, new_desc_blocks = 2304
The filesystem on /dev/mapper/thin is now 4831837696 (4k) blocks long.
[ 865.186308] EXT4-fs (dm-5): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[ 912.091502] dm-4: detected capacity change from 34359738368 to 38654705664
[ 970.030550] dm-5: detected capacity change from 34359734272 to 38654701568
[ 1000.012751] EXT4-fs (dm-5): resizing filesystem from 4294966784 to 4831837696 blocks
[ 1000.012878] EXT4-fs (dm-5): resized filesystem to 4294967296
=== after ===
[ 129.104898] EXT4-fs (dm-5): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[ 143.773630] dm-4: detected capacity change from 34359738368 to 38654705664
[ 198.203246] dm-5: detected capacity change from 34359734272 to 38654701568
[ 207.918603] EXT4-fs (dm-5): resizing filesystem from 4294966784 to 4831837696 blocks
[ 207.918754] EXT4-fs (dm-5): resizing filesystem from 4294967296 to 4831837696 blocks
[ 207.918758] EXT4-fs (dm-5): Converting file system to meta_bg
[ 207.918790] EXT4-fs (dm-5): resizing filesystem from 4294967296 to 4831837696 blocks
[ 221.454050] EXT4-fs (dm-5): resized to 4658298880 blocks
[ 227.634613] EXT4-fs (dm-5): resized filesystem to 4831837696
Signed-off-by: Jerry Lee <jerrylee@qnap.com>
Link: https://lore.kernel.org/r/PU1PR04MB22635E739BD21150DC182AC6A18C9@PU1PR04MB2263.apcprd04.prod.outlook.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.