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| author |   Martin Brandenburg <martin@omnibond.com> | 2016-02-08 17:01:29 -0500 |
|---|---|---|
| committer | Martin Brandenburg <martin@omnibond.com> | 2016-08-02 15:38:21 -0400 |
| commit | 31b7c1ab4ed14d3aeb658e11a114860a64290fea (patch) | |
| tree | 3a5a9575a51456d414d70ec800df567544c55aea /fs/orangefs | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux (diff) | |
| download | linux-dev-31b7c1ab4ed14d3aeb658e11a114860a64290fea.tar.xz linux-dev-31b7c1ab4ed14d3aeb658e11a114860a64290fea.zip | |
orangefs: Use d_time to avoid excessive lookups
Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Diffstat (limited to 'fs/orangefs')
| -rw-r--r-- | fs/orangefs/dcache.c | 4 | ||||
| -rw-r--r-- | fs/orangefs/namei.c | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/fs/orangefs/dcache.c b/fs/orangefs/dcache.c index 5dfc4f3cfe68..dcb55bbb0b69 100644 --- a/fs/orangefs/dcache.c +++ b/fs/orangefs/dcache.c @@ -73,6 +73,7 @@ static int orangefs_revalidate_lookup(struct dentry *dentry) } } + dentry->d_time = jiffies + HZ; ret = 1; out_release_op: op_release(new_op); @@ -94,6 +95,9 @@ static int orangefs_d_revalidate(struct dentry *dentry, unsigned int flags) { int ret; + if (dentry->d_time > jiffies) + return 1; + if (flags & LOOKUP_RCU) return -ECHILD; diff --git a/fs/orangefs/namei.c b/fs/orangefs/namei.c index 7e8dfa97c44a..b37f80bf0bec 100644 --- a/fs/orangefs/namei.c +++ b/fs/orangefs/namei.c @@ -72,6 +72,7 @@ static int orangefs_create(struct inode *dir, d_instantiate(dentry, inode); unlock_new_inode(inode); + dentry->d_time = jiffies + HZ; gossip_debug(GOSSIP_NAME_DEBUG, "%s: dentry instantiated for %s\n", @@ -181,6 +182,8 @@ static struct dentry *orangefs_lookup(struct inode *dir, struct dentry *dentry, goto out; } + dentry->d_time = jiffies + HZ; + inode = orangefs_iget(dir->i_sb, &new_op->downcall.resp.lookup.refn); if (IS_ERR(inode)) { gossip_debug(GOSSIP_NAME_DEBUG, @@ -316,6 +319,7 @@ static int orangefs_symlink(struct inode *dir, d_instantiate(dentry, inode); unlock_new_inode(inode); + dentry->d_time = jiffies + HZ; gossip_debug(GOSSIP_NAME_DEBUG, "Inode (Symlink) %pU -> %s\n", @@ -378,6 +382,7 @@ static int orangefs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode d_instantiate(dentry, inode); unlock_new_inode(inode); + dentry->d_time = jiffies + HZ; gossip_debug(GOSSIP_NAME_DEBUG, "Inode (Directory) %pU -> %s\n", |