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(parent: 838cd0c) | patch
ext4: check free inode count before allocating an inode
authorYongqiang Yang <xiaoqiangnk@gmail.com>
Mon, 24 Sep 2012 03:16:03 +0000 (23:16 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Mon, 24 Sep 2012 03:16:03 +0000 (23:16 -0400)
commitf2a09af645b762f8230e7eba7fee3b6f7e6e96e7
tree990096ae1076171e1dba0029f087ab7373c441c6tree | snapshot
parent838cd0cf9af52e034ee81513642083bbe8e4ddb1commit | diff
ext4: check free inode count before allocating an inode

Recently, I ecountered some corrupted filesystems in which some
groups' free inode counts were 65535, it seemed that free inode
count was overflow.  This patch teaches ext4 to check free inode
count before allocaing an inode.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
fs/ext4/ialloc.c diff | blob | history
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