From 11ea8eda064aa4dc6e44a6dade1891b69ebd5255 Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Thu, 12 Nov 2009 15:07:24 -0800 Subject: [PATCH] ceph: fix page invalidation deadlock We occasionally want to make a best-effort attempt to invalidate cache pages without fear of blocking. If this fails, we fall back to an async invalidate in another thread. Use invalidate_mapping_pages instead of invalidate_inode_page2, as that will skip locked pages, and not deadlock. Signed-off-by: Sage Weil --- fs/ceph/caps.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index d8132b6e770d..9dd110602cda 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1440,7 +1440,7 @@ void ceph_check_caps(struct ceph_inode_info *ci, int flags, dout("check_caps trying to invalidate on %p\n", inode); spin_unlock(&inode->i_lock); - ret = invalidate_inode_pages2(&inode->i_data); + ret = invalidate_mapping_pages(&inode->i_data, 0, -1); spin_lock(&inode->i_lock); if (ret == 0 && invalidating_gen == ci->i_rdcache_gen) { /* success. */ @@ -2180,7 +2180,7 @@ static int handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, spin_unlock(&inode->i_lock); tried_invalidate = 1; - ret = invalidate_inode_pages2(&inode->i_data); + ret = invalidate_mapping_pages(&inode->i_data, 0, -1); spin_lock(&inode->i_lock); if (ret < 0) { /* there were locked pages.. invalidate later -- GitLab