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-rw-r--r--fs/nfs/inode.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index fda2b4966179..1a809f6f8989 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -236,6 +236,7 @@ nfs_get_root(struct super_block *sb, struct nfs_fh *rootfh, struct nfs_fsinfo *f
236 return ERR_PTR(error); 236 return ERR_PTR(error);
237 } 237 }
238 238
239 server->fsid = fsinfo->fattr->fsid;
239 return nfs_fhget(sb, rootfh, fsinfo->fattr); 240 return nfs_fhget(sb, rootfh, fsinfo->fattr);
240} 241}
241 242
@@ -1493,6 +1494,7 @@ out:
1493 */ 1494 */
1494static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) 1495static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1495{ 1496{
1497 struct nfs_server *server;
1496 struct nfs_inode *nfsi = NFS_I(inode); 1498 struct nfs_inode *nfsi = NFS_I(inode);
1497 loff_t cur_isize, new_isize; 1499 loff_t cur_isize, new_isize;
1498 unsigned int invalid = 0; 1500 unsigned int invalid = 0;
@@ -1511,6 +1513,12 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
1511 if ((inode->i_mode & S_IFMT) != (fattr->mode & S_IFMT)) 1513 if ((inode->i_mode & S_IFMT) != (fattr->mode & S_IFMT))
1512 goto out_changed; 1514 goto out_changed;
1513 1515
1516 server = NFS_SERVER(inode);
1517 /* Update the fsid if and only if this is the root directory */
1518 if (inode == inode->i_sb->s_root->d_inode
1519 && !nfs_fsid_equal(&server->fsid, &fattr->fsid))
1520 server->fsid = fattr->fsid;
1521
1514 /* 1522 /*
1515 * Update the read time so we don't revalidate too often. 1523 * Update the read time so we don't revalidate too often.
1516 */ 1524 */