Messages in this thread Patch in this message | | | Date | Fri, 27 Oct 2006 17:42:03 +0400 | From | Vasily Averin <> | Subject | [PATCH 2.6.19-rc3] VFS: missing unused dentry in prune_dcache() |
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Andrew,
could you please use this patch instead of missing-unused-dentry-in-prune_dcache.patch
As far as I understand David Howells have not any objections
Thank you, Vasily Averin
--- VFS: missing unused dentry in prune_dcache()
From: Vasily Averin <vvs@sw.ru>
If we cannot delete dentry we should insert it back to the dentry_unused list. To prevent cycle and do not blocks prune_dcache() call from shrink_dcache_memory() we adding this dentry to head of list.
Signed-off-by: Vasily Averin <vvs@sw.ru>
--- linux-2.6.19-rc3/fs/dcache.c.prdch 2006-10-25 16:09:19.000000000 +0400 +++ linux-2.6.19-rc3/fs/dcache.c 2006-10-26 15:14:51.000000000 +0400 @@ -478,11 +478,9 @@ static void prune_dcache(int count, stru up_read(s_umount); } spin_unlock(&dentry->d_lock); - /* Cannot remove the first dentry, and it isn't appropriate - * to move it to the head of the list, so give up, and try - * later - */ - break; + /* Inserting dentry to tail of the list leads to cycle */ + list_add(&dentry->d_lru, &dentry_unused); + dentry_stat.nr_unused++; } spin_unlock(&dcache_lock); } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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