From e2c3de046c5a1f3525772b4cacc7731cb626ab61 Mon Sep 17 00:00:00 2001 From: "Yan, Zheng" Date: Wed, 4 Mar 2015 16:05:04 +0800 Subject: [PATCH] ceph: fix dcache/nocache mount option Signed-off-by: Yan, Zheng --- fs/ceph/dir.c | 2 ++ fs/ceph/super.h | 3 ++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 83e9976f7189..92a6b6018511 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -281,6 +281,7 @@ static int ceph_readdir(struct file *file, struct dir_context *ctx) /* can we use the dcache? */ spin_lock(&ci->i_ceph_lock); if ((ctx->pos == 2 || fi->dentry) && + ceph_test_mount_opt(fsc, DCACHE) && !ceph_test_mount_opt(fsc, NOASYNCREADDIR) && ceph_snap(inode) != CEPH_SNAPDIR && __ceph_dir_is_complete_ordered(ci) && @@ -629,6 +630,7 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, fsc->mount_options->snapdir_name, dentry->d_name.len) && !is_root_ceph_dentry(dir, dentry) && + ceph_test_mount_opt(fsc, DCACHE) && __ceph_dir_is_complete(ci) && (__ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1))) { spin_unlock(&ci->i_ceph_lock); diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 04c8124ed30e..f8ea7ebe9d1f 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -36,7 +36,8 @@ #define CEPH_MOUNT_OPT_DCACHE (1<<9) /* use dcache for readdir etc */ #define CEPH_MOUNT_OPT_FSCACHE (1<<10) /* use fscache */ -#define CEPH_MOUNT_OPT_DEFAULT (CEPH_MOUNT_OPT_RBYTES) +#define CEPH_MOUNT_OPT_DEFAULT (CEPH_MOUNT_OPT_RBYTES | \ + CEPH_MOUNT_OPT_DCACHE) #define ceph_set_mount_opt(fsc, opt) \ (fsc)->mount_options->flags |= CEPH_MOUNT_OPT_##opt; -- 2.20.1