change log from v1:
o found another deadlock case, so change the approach
From 145b6ee0b2523bad0e28c09f4ac5bb050cd22085 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim
Date: Tue, 30 Apr 2013 11:33:27 +0900
Subject: [PATCH] f2fs: avoid deadlock during evict after f2fs_gc
Cc: linux-fsde...@vger.kernel.
Previously, I removed f2fs_iget_nowait() through the commit:
d4686d56ec912d55fd8a9d6d509de50de24e90ab
f2fs: avoid balanc_fs during evict_inode.
But, there is another error scenario as follows.
Thread 1:
- writeback_sb_inodes
- do_writepages
- f2fs_write_data_pages
- write_cache_pages
-
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