ext4, project: expand inode extra size if possible

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When upgrading from old format, try to set project id
to old file first time, it will return EOVERFLOW, but if
that file is dirtied(touch etc), changing project id will
be allowed, this might be confusing for users, we could
try to expand @i_extra_isize here too.

Reported-by: Zhang Yi <yi.zhang@huawei.com>
Signed-off-by: Miao Xie <miaoxie@huawei.com>
Signed-off-by: Wang Shilong <wshilong@ddn.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

...

This commit is contained in:

Miao Xie 2017-08-06 01:00:49 -04:00 • committed by Theodore Ts'o

parent b640b2c51b

commit c03b45b853

3 changed files with 85 additions and 24 deletions

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3

fs/ext4/ext4_jbd2.h

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107

fs/ext4/inode.c

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9

fs/ext4/ioctl.c

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