| To: | Ben Myers <bpm@xxxxxxx>, Alex Elder <elder@xxxxxxxxxx>, xfs@xxxxxxxxxxx |
|---|---|
| Subject: | given a pointer to xfs_inode_t, how to determine path? |
| From: | Chris Friesen <chris.friesen@xxxxxxxxxxx> |
| Date: | Mon, 17 Sep 2012 09:51:37 -0600 |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.24) Gecko/20111108 Fedora/3.1.16-1.fc14 Lightning/1.0b3pre Thunderbird/3.1.16 |
Hi, We're running 2.6.27 (upgrading not currently possible, embedded product).We had a situation arise where we could see in stack traces that a number of tasks were stuck in vn_iowait(). That function takes a pointer to xfs_inode_t. Given that, would it be possible to work backwards to determine a filesystem path corresponding to that inode? I realize it would likely only go back to the head of the filesystem, but that would be fine. Thanks, Chris -- Chris Friesen Software Designer 3500 Carling Avenue Ottawa, Ontario K2H 8E9 www.genband.com |
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