NFS: Add a super_block backpointer to the nfs_server struct
NFS_SB() returns the pointer to an nfs_server struct, given a pointer to a super_block. But we have no way to go back the other way. Add a super_block backpointer field so that, given an nfs_server struct, it is easy to get to the filesystem's root dentry. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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b03d735b4c
Коммит
ce6cda1845
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@ -2534,6 +2534,7 @@ struct dentry *nfs_fs_mount_common(struct nfs_server *server,
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mntroot = ERR_PTR(error);
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mntroot = ERR_PTR(error);
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goto error_splat_bdi;
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goto error_splat_bdi;
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}
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}
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server->super = s;
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}
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}
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if (!s->s_root) {
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if (!s->s_root) {
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@ -148,6 +148,7 @@ struct nfs_server {
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__u64 maxfilesize; /* maximum file size */
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__u64 maxfilesize; /* maximum file size */
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struct timespec time_delta; /* smallest time granularity */
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struct timespec time_delta; /* smallest time granularity */
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unsigned long mount_time; /* when this fs was mounted */
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unsigned long mount_time; /* when this fs was mounted */
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struct super_block *super; /* VFS super block */
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dev_t s_dev; /* superblock dev numbers */
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dev_t s_dev; /* superblock dev numbers */
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#ifdef CONFIG_NFS_FSCACHE
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#ifdef CONFIG_NFS_FSCACHE
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