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NFS: More page cache revalidation fixups

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Whenever the directory changes, we want to make sure that we always
invalidate its page cache. Fix up update_changeattr() and
nfs_mark_for_revalidate() so that they do so.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2006-05-25 01:40:57 -04:00
parent f1bb0b92ba
commit 38478b24e3
2 changed files with 10 additions and 6 deletions
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10
fs/nfs/nfs4proc.c
View file

@ -185,15 +185,15 @@ static void renew_lease(const struct nfs_server *server, unsigned long timestamp
spin_unlock(&clp->cl_lock);
}
static void update_changeattr(struct inode *inode, struct nfs4_change_info *cinfo)
static void update_changeattr(struct inode *dir, struct nfs4_change_info *cinfo)
{
struct nfs_inode *nfsi = NFS_I(inode);
struct nfs_inode *nfsi = NFS_I(dir);
spin_lock(&inode->i_lock);
nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
spin_lock(&dir->i_lock);
nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_DATA;
if (cinfo->before == nfsi->change_attr && cinfo->atomic)
nfsi->change_attr = cinfo->after;
spin_unlock(&inode->i_lock);
spin_unlock(&dir->i_lock);
}
struct nfs4_opendata {

6
include/linux/nfs_fs.h
View file

@ -234,8 +234,12 @@ static inline int nfs_caches_unstable(struct inode *inode)
static inline void nfs_mark_for_revalidate(struct inode *inode)
{
struct nfs_inode *nfsi = NFS_I(inode);
spin_lock(&inode->i_lock);
NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS;
nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS;
if (S_ISDIR(inode->i_mode))
nfsi->cache_validity |= NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_DATA;
spin_unlock(&inode->i_lock);
}