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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-08-24 12:27:15 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-08-24 15:54:13 -0400
commit16b4289c7460ba9c04af40c574949dcca9029658 (patch)
treeb0c1b47e82306d23e326d6a6a59d251eccb85e81 /fs/nfs
parente8896495bca8490a427409e0886d63d05419ec65 (diff)
NFSv4: Add v4 exception handling for the ACL functions.
This is needed in order to handle any NFS4ERR_DELAY errors that might be returned by the server. It also ensures that we map the NFSv4 errors before they are returned to userland. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> (cherry picked from 71c12b3f0abc7501f6ed231a6d17bc9c05a238dc commit)
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/nfs4proc.c29
1 files changed, 27 insertions, 2 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e6ee97f19d81..153898e1331f 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2668,7 +2668,7 @@ out:
2668 nfs4_set_cached_acl(inode, acl); 2668 nfs4_set_cached_acl(inode, acl);
2669} 2669}
2670 2670
2671static inline ssize_t nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t buflen) 2671static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t buflen)
2672{ 2672{
2673 struct page *pages[NFS4ACL_MAXPAGES]; 2673 struct page *pages[NFS4ACL_MAXPAGES];
2674 struct nfs_getaclargs args = { 2674 struct nfs_getaclargs args = {
@@ -2721,6 +2721,19 @@ out_free:
2721 return ret; 2721 return ret;
2722} 2722}
2723 2723
2724static ssize_t nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t buflen)
2725{
2726 struct nfs4_exception exception = { };
2727 ssize_t ret;
2728 do {
2729 ret = __nfs4_get_acl_uncached(inode, buf, buflen);
2730 if (ret >= 0)
2731 break;
2732 ret = nfs4_handle_exception(NFS_SERVER(inode), ret, &exception);
2733 } while (exception.retry);
2734 return ret;
2735}
2736
2724static ssize_t nfs4_proc_get_acl(struct inode *inode, void *buf, size_t buflen) 2737static ssize_t nfs4_proc_get_acl(struct inode *inode, void *buf, size_t buflen)
2725{ 2738{
2726 struct nfs_server *server = NFS_SERVER(inode); 2739 struct nfs_server *server = NFS_SERVER(inode);
@@ -2737,7 +2750,7 @@ static ssize_t nfs4_proc_get_acl(struct inode *inode, void *buf, size_t buflen)
2737 return nfs4_get_acl_uncached(inode, buf, buflen); 2750 return nfs4_get_acl_uncached(inode, buf, buflen);
2738} 2751}
2739 2752
2740static int nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t buflen) 2753static int __nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t buflen)
2741{ 2754{
2742 struct nfs_server *server = NFS_SERVER(inode); 2755 struct nfs_server *server = NFS_SERVER(inode);
2743 struct page *pages[NFS4ACL_MAXPAGES]; 2756 struct page *pages[NFS4ACL_MAXPAGES];
@@ -2763,6 +2776,18 @@ static int nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t buflen
2763 return ret; 2776 return ret;
2764} 2777}
2765 2778
2779static int nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t buflen)
2780{
2781 struct nfs4_exception exception = { };
2782 int err;
2783 do {
2784 err = nfs4_handle_exception(NFS_SERVER(inode),
2785 __nfs4_proc_set_acl(inode, buf, buflen),
2786 &exception);
2787 } while (exception.retry);
2788 return err;
2789}
2790
2766static int 2791static int
2767nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server) 2792nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server)
2768{ 2793{