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f2fs: adjust free mem size to flush dentry blocks

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If so many dirty dentry blocks are cached, not reached to the flush condition,
we should fall into livelock in balance_dirty_pages.
So, let's consider the mem size for the condition.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim
2014-04-16 10:47:06 +09:00
parent e8271fa390
commit 6fb03f3a40
4 changed files with 32 additions and 21 deletions
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3
fs/f2fs/data.c
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@@ -863,7 +863,8 @@ static int f2fs_write_data_pages(struct address_space *mapping,
return 0;
if (S_ISDIR(inode->i_mode) && wbc->sync_mode == WB_SYNC_NONE &&
get_dirty_dents(inode) < nr_pages_to_skip(sbi, DATA))
get_dirty_dents(inode) < nr_pages_to_skip(sbi, DATA) &&
available_free_memory(sbi, DIRTY_DENTS))
goto skip_write;
diff = nr_pages_to_write(sbi, DATA, wbc);