Messages in this thread | | | Date | Tue, 23 May 2006 18:44:07 -0700 | From | "Randy.Dunlap" <> | Subject | Re: [PATCH] Per-superblock unused dentry LRU lists. |
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On Wed, 24 May 2006 11:24:12 +1000 David Chinner wrote:
> Index: 2.6.x-xfs-new/fs/dcache.c > =================================================================== > --- 2.6.x-xfs-new.orig/fs/dcache.c 2006-05-15 16:24:44.212207654 +1000 > +++ 2.6.x-xfs-new/fs/dcache.c 2006-05-16 14:00:46.327462206 +1000 > @@ -114,6 +113,38 @@ static void dentry_iput(struct dentry * > } > } > > +static void > +dentry_lru_add(struct dentry *dentry) > +{ > + list_add(&dentry->d_lru, &dentry->d_sb->s_dentry_lru); > + dentry_stat.nr_unused++; > +} > + > +static void > +dentry_lru_add_tail(struct dentry *dentry) > +{ > + list_add_tail(&dentry->d_lru, &dentry->d_sb->s_dentry_lru); > + dentry_stat.nr_unused++; > +} > + > +static void > +dentry_lru_del(struct dentry *dentry) > +{ > + if (!list_empty(&dentry->d_lru)) { > + list_del(&dentry->d_lru); > + dentry_stat.nr_unused--; > + } > +} > + > +static void > +dentry_lru_del_init(struct dentry *dentry) > +{ > + if (likely(!list_empty(&dentry->d_lru))) { > + list_del_init(&dentry->d_lru); > + dentry_stat.nr_unused--; > + } > +} > + > /* > * This is dput > *
Please use regular kernel coding style for functions: don't put qualifiers and names on separate lines.
> @@ -377,6 +399,48 @@ static inline void prune_one_dentry(stru > spin_lock(&dcache_lock); > } > > +/* > + * Shrink the dentry LRU on æ given superblock.
on ? given superblock ?
> + */ > +static void > +__shrink_dcache_sb(struct super_block *sb, int *count, int flags) > +{
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