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| author | Frank van der Linden <fllinden@amazon.com> | 2020-06-24 00:38:54 +0200 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-07-13 23:52:45 +0200 |
| commit | 04a5da690e8f2da23c2ac940f2921e3aa622db82 (patch) | |
| tree | 1e8ea46f099f62219e1b1a760c9bc4f27ef28bb2 /include | |
| parent | nfs: add client side only definitions for user xattrs (diff) | |
| download | linux-04a5da690e8f2da23c2ac940f2921e3aa622db82.tar.xz linux-04a5da690e8f2da23c2ac940f2921e3aa622db82.zip | |
NFSv4.2: define limits and sizes for user xattr handling
Set limits for extended attributes (attribute value size and listxattr
buffer size), based on the fs-independent limits (XATTR_*_MAX).
Define the maximum XDR sizes for the RFC 8276 XATTR operations.
In the case of operations that carry a larger payload (SETXATTR,
GETXATTR, LISTXATTR), these exclude that payload, which is added
as separate pages, like other operations do.
Define, much like for read and write operations, the maximum overhead
sizes for get/set/listxattr, and use them to limit the maximum payload
size for those operations, in combination with the channel attributes.
Signed-off-by: Frank van der Linden <fllinden@amazon.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nfs_fs_sb.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 465fa98258a3..128e01acb4ca 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -163,6 +163,11 @@ struct nfs_server { unsigned int dtsize; /* readdir size */ unsigned short port; /* "port=" setting */ unsigned int bsize; /* server block size */ +#ifdef CONFIG_NFS_V4_2 + unsigned int gxasize; /* getxattr size */ + unsigned int sxasize; /* setxattr size */ + unsigned int lxasize; /* listxattr size */ +#endif unsigned int acregmin; /* attr cache timeouts */ unsigned int acregmax; unsigned int acdirmin; |