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NFS: Add label lifecycle management

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This patch adds the lifecycle management for the security label structure
introduced in an earlier patch. The label is not used yet but allocations and
freeing of the structure is handled.

Signed-off-by: Matthew N. Dodd <Matthew.Dodd@sparta.com>
Signed-off-by: Miguel Rodel Felipe <Rodel_FM@dsi.a-star.edu.sg>
Signed-off-by: Phua Eu Gene <PHUA_Eu_Gene@dsi.a-star.edu.sg>
Signed-off-by: Khin Mi Mi Aung <Mi_Mi_AUNG@dsi.a-star.edu.sg>
Signed-off-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
David Quigley 2013-05-22 12:50:43 -04:00 • committed by Trond Myklebust
parent 1775fd3e80
commit 14c43f7678
3 changed files with 96 additions and 11 deletions
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15
fs/nfs/inode.c
View file

@ -836,6 +836,13 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
goto out;
nfs_inc_stats(inode, NFSIOS_INODEREVALIDATE);
label = nfs4_label_alloc(NFS_SERVER(inode), GFP_KERNEL);
if (IS_ERR(label)) {
status = PTR_ERR(label);
goto out;
}
status = NFS_PROTO(inode)->getattr(server, NFS_FH(inode), fattr, label);
if (status != 0) {
dfprintk(PAGECACHE, "nfs_revalidate_inode: (%s/%Ld) getattr failed, error=%d\n",
@ -846,7 +853,7 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
if (!S_ISDIR(inode->i_mode))
set_bit(NFS_INO_STALE, &NFS_I(inode)->flags);
}
goto out;
goto err_out;
}
status = nfs_refresh_inode(inode, fattr);
@ -854,7 +861,7 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
dfprintk(PAGECACHE, "nfs_revalidate_inode: (%s/%Ld) refresh failed, error=%d\n",
inode->i_sb->s_id,
(long long)NFS_FILEID(inode), status);
goto out;
goto err_out;
}
if (nfsi->cache_validity & NFS_INO_INVALID_ACL)
@ -864,7 +871,9 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
inode->i_sb->s_id,
(long long)NFS_FILEID(inode));
out:
err_out:
nfs4_label_free(label);
out:
nfs_free_fattr(fattr);
return status;
}