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authorTrond Myklebust <trond.myklebust@hammerspace.com>2021-03-25 11:04:34 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2021-04-12 20:11:44 -0400
commit1f3208b2d6975f31b9c7c6bf174b84fe9c97492f (patch)
treeb03cdcc080103432771c5cc12e526cdbb0151d18
parent1f9f4328155a6944903e2364f38bb6ed1e1ea9e9 (diff)
NFS: Add a cache validity flag argument to nfs_revalidate_inode()
Add an argument to nfs_revalidate_inode() to allow callers to specify which attributes they need to check for validity. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
-rw-r--r--fs/nfs/dir.c2
-rw-r--r--fs/nfs/export.c6
-rw-r--r--fs/nfs/inode.c25
-rw-r--r--fs/nfs/nfs3acl.c2
-rw-r--r--fs/nfs/nfs4proc.c6
-rw-r--r--include/linux/nfs_fs.h2
6 files changed, 14 insertions, 29 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 0cd7c59a6601..e924d65c125e 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -3006,7 +3006,7 @@ out_notsup:
if (mask & MAY_NOT_BLOCK)
return -ECHILD;
- res = nfs_revalidate_inode(NFS_SERVER(inode), inode);
+ res = nfs_revalidate_inode(inode, NFS_INO_INVALID_OTHER);
if (res == 0)
res = generic_permission(&init_user_ns, inode, mask);
goto out;
diff --git a/fs/nfs/export.c b/fs/nfs/export.c
index b347e3ce0cc8..37a1a88df771 100644
--- a/fs/nfs/export.c
+++ b/fs/nfs/export.c
@@ -169,11 +169,7 @@ out:
static u64 nfs_fetch_iversion(struct inode *inode)
{
- struct nfs_server *server = NFS_SERVER(inode);
-
- if (nfs_check_cache_invalid(inode, NFS_INO_INVALID_CHANGE |
- NFS_INO_REVAL_PAGECACHE))
- __nfs_revalidate_inode(server, inode);
+ nfs_revalidate_inode(inode, NFS_INO_INVALID_CHANGE);
return inode_peek_iversion_raw(inode);
}
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index d34da63202cc..b9aac408f03a 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -802,16 +802,6 @@ static void nfs_readdirplus_parent_cache_hit(struct dentry *dentry)
dput(parent);
}
-static bool nfs_need_revalidate_inode(struct inode *inode)
-{
- if (NFS_I(inode)->cache_validity &
- (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_LABEL))
- return true;
- if (nfs_attribute_cache_expired(inode))
- return true;
- return false;
-}
-
static u32 nfs_get_valid_attrmask(struct inode *inode)
{
unsigned long cache_validity = READ_ONCE(NFS_I(inode)->cache_validity);
@@ -1004,7 +994,6 @@ void nfs_close_context(struct nfs_open_context *ctx, int is_sync)
{
struct nfs_inode *nfsi;
struct inode *inode;
- struct nfs_server *server;
if (!(ctx->mode & FMODE_WRITE))
return;
@@ -1020,10 +1009,10 @@ void nfs_close_context(struct nfs_open_context *ctx, int is_sync)
return;
if (!list_empty(&nfsi->open_files))
return;
- server = NFS_SERVER(inode);
- if (server->flags & NFS_MOUNT_NOCTO)
+ if (NFS_SERVER(inode)->flags & NFS_MOUNT_NOCTO)
return;
- nfs_revalidate_inode(server, inode);
+ nfs_revalidate_inode(inode,
+ NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_SIZE);
}
EXPORT_SYMBOL_GPL(nfs_close_context);
@@ -1278,16 +1267,16 @@ int nfs_attribute_cache_expired(struct inode *inode)
/**
* nfs_revalidate_inode - Revalidate the inode attributes
- * @server: pointer to nfs_server struct
* @inode: pointer to inode struct
+ * @flags: cache flags to check
*
* Updates inode attribute information by retrieving the data from the server.
*/
-int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
+int nfs_revalidate_inode(struct inode *inode, unsigned long flags)
{
- if (!nfs_need_revalidate_inode(inode))
+ if (!nfs_check_cache_invalid(inode, flags))
return NFS_STALE(inode) ? -ESTALE : 0;
- return __nfs_revalidate_inode(server, inode);
+ return __nfs_revalidate_inode(NFS_SERVER(inode), inode);
}
EXPORT_SYMBOL_GPL(nfs_revalidate_inode);
diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c
index bb386a691e69..9ec560aa4a50 100644
--- a/fs/nfs/nfs3acl.c
+++ b/fs/nfs/nfs3acl.c
@@ -65,7 +65,7 @@ struct posix_acl *nfs3_get_acl(struct inode *inode, int type)
if (!nfs_server_capable(inode, NFS_CAP_ACLS))
return ERR_PTR(-EOPNOTSUPP);
- status = nfs_revalidate_inode(server, inode);
+ status = nfs_revalidate_inode(inode, NFS_INO_INVALID_CHANGE);
if (status < 0)
return ERR_PTR(status);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 1cf98c40e3b2..6b990fe5bc1f 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5868,7 +5868,7 @@ static ssize_t nfs4_proc_get_acl(struct inode *inode, void *buf, size_t buflen)
if (!nfs4_server_supports_acls(server))
return -EOPNOTSUPP;
- ret = nfs_revalidate_inode(server, inode);
+ ret = nfs_revalidate_inode(inode, NFS_INO_INVALID_CHANGE);
if (ret < 0)
return ret;
if (NFS_I(inode)->cache_validity & NFS_INO_INVALID_ACL)
@@ -7619,7 +7619,7 @@ static int nfs4_xattr_get_nfs4_user(const struct xattr_handler *handler,
return -EACCES;
}
- ret = nfs_revalidate_inode(NFS_SERVER(inode), inode);
+ ret = nfs_revalidate_inode(inode, NFS_INO_INVALID_CHANGE);
if (ret)
return ret;
@@ -7650,7 +7650,7 @@ nfs4_listxattr_nfs4_user(struct inode *inode, char *list, size_t list_len)
return 0;
}
- ret = nfs_revalidate_inode(NFS_SERVER(inode), inode);
+ ret = nfs_revalidate_inode(inode, NFS_INO_INVALID_CHANGE);
if (ret)
return ret;
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index eadaabd18dc7..624ffd47a9d4 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -386,7 +386,7 @@ extern void nfs_access_set_mask(struct nfs_access_entry *, u32);
extern int nfs_permission(struct user_namespace *, struct inode *, int);
extern int nfs_open(struct inode *, struct file *);
extern int nfs_attribute_cache_expired(struct inode *inode);
-extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode);
+extern int nfs_revalidate_inode(struct inode *inode, unsigned long flags);
extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *);
extern int nfs_clear_invalid_mapping(struct address_space *mapping);
extern bool nfs_mapping_need_revalidate_inode(struct inode *inode);