diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2001-01-11 04:02:40 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2001-01-11 04:02:40 +0000 |
| commit | e47f00743fc4776491344f2c618cc8dc2c23bcbc (patch) | |
| tree | 13e03a113a82a184c51c19c209867cfd3a59b3b9 /fs/dcache.c | |
| parent | b2ad5f821b1381492d792ca10b1eb7a107b48f14 (diff) | |
Merge with Linux 2.4.0.
Diffstat (limited to 'fs/dcache.c')
| -rw-r--r-- | fs/dcache.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index 090bf1686..e0b170ad7 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -339,10 +339,18 @@ void prune_dcache(int count) if (tmp == &dentry_unused) break; - dentry_stat.nr_unused--; list_del_init(tmp); dentry = list_entry(tmp, struct dentry, d_lru); + /* If the dentry was recently referenced, don't free it. */ + if (dentry->d_flags & DCACHE_REFERENCED) { + dentry->d_flags &= ~DCACHE_REFERENCED; + list_add(&dentry->d_lru, &dentry_unused); + count--; + continue; + } + dentry_stat.nr_unused--; + /* Unused dentry with a count? */ if (atomic_read(&dentry->d_count)) BUG(); @@ -732,6 +740,7 @@ struct dentry * d_lookup(struct dentry * parent, struct qstr * name) continue; } __dget_locked(dentry); + dentry->d_flags |= DCACHE_REFERENCED; spin_unlock(&dcache_lock); return dentry; } |