ext4: fix check of inode in swap_inode_boot_loader

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Before really do swap between inode and boot inode, something need to
check to avoid invalid or not permitted operation, like does this inode
has inline data. But the condition check should be protected by inode
lock to avoid change while swapping. Also some other condition will not
change between swapping, but there has no problem to do this under inode
lock.

Signed-off-by: yangerkun <yangerkun@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org

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yangerkun 2019-02-11 00:02:05 -05:00 • committed by Theodore Ts'o

parent a297b2fcee

commit 67a11611e1

1 changed files with 13 additions and 9 deletions

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fs/ext4/ioctl.c

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