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commit df3cb754d13d2cd5490db9b8d536311f8413a92e 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 ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.