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authorDavid S. Miller <davem@davemloft.net>2015-03-10 06:38:02 +0300
committerDavid S. Miller <davem@davemloft.net>2015-03-10 06:38:02 +0300
commit3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14 (patch)
tree02e95f15bd8a04071a9a36f534a92a066a8ce66a /fs/nfs/dir.c
parent8ac467e837a24eb024177b4b01013d8e6764913a (diff)
parentaffb8172de395a6e1db52ed9790ca0456d8c29a9 (diff)
downloadlinux-3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/cadence/macb.c Overlapping changes in macb driver, mostly fixes and cleanups in 'net' overlapping with the integration of at91_ether into macb in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/nfs/dir.c')
-rw-r--r--fs/nfs/dir.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 9b0c55cb2a2e..c19e16f0b2d0 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -408,14 +408,22 @@ static int xdr_decode(nfs_readdir_descriptor_t *desc,
return 0;
}
+/* Match file and dirent using either filehandle or fileid
+ * Note: caller is responsible for checking the fsid
+ */
static
int nfs_same_file(struct dentry *dentry, struct nfs_entry *entry)
{
+ struct nfs_inode *nfsi;
+
if (dentry->d_inode == NULL)
goto different;
- if (nfs_compare_fh(entry->fh, NFS_FH(dentry->d_inode)) != 0)
- goto different;
- return 1;
+
+ nfsi = NFS_I(dentry->d_inode);
+ if (entry->fattr->fileid == nfsi->fileid)
+ return 1;
+ if (nfs_compare_fh(entry->fh, &nfsi->fh) == 0)
+ return 1;
different:
return 0;
}
@@ -469,6 +477,10 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry)
struct inode *inode;
int status;
+ if (!(entry->fattr->valid & NFS_ATTR_FATTR_FILEID))
+ return;
+ if (!(entry->fattr->valid & NFS_ATTR_FATTR_FSID))
+ return;
if (filename.name[0] == '.') {
if (filename.len == 1)
return;
@@ -479,6 +491,10 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry)
dentry = d_lookup(parent, &filename);
if (dentry != NULL) {
+ /* Is there a mountpoint here? If so, just exit */
+ if (!nfs_fsid_equal(&NFS_SB(dentry->d_sb)->fsid,
+ &entry->fattr->fsid))
+ goto out;
if (nfs_same_file(dentry, entry)) {
nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
status = nfs_refresh_inode(dentry->d_inode, entry->fattr);