linux-kernel - Re: f2fs: support fault injection for f2fs_down_write

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Message-Id: <20230331185505.58726-1-frank.li@vivo.com>
Date:   Sat,  1 Apr 2023 02:55:05 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     chao@...nel.org
Cc:     frank.li@...o.com, jaegeuk@...nel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: f2fs: support fault injection for f2fs_down_write_trylock()

> I guess we can cover all trylock w/ FAULT_LOCK_OP type fault injection,
> rather than just cover f2fs_down_write_trylock().
> 
> Including:
> - inode_trylock
> - down_read_trylock
> - down_write_trylock
> - mutex_trylock
> - sb_start_write_trylock
> - trylock_page
> 
> Bug only excluding f2fs_trylock_op which was covered by FAULT_LOCK_OP?

> What do you think?

Sounds great, the 3th has been sent.

Thx,
Yangtao