2012-02-23 18:35:31

by Benny Halevy

[permalink] [raw]
Subject: [PATCH] pnfsd: add support for per-file layout_types attribute

Currently, just return the same per-fs layout types

Signed-off-by: Benny Halevy <[email protected]>
---
fs/nfsd/nfs4xdr.c | 3 ++-
fs/nfsd/nfsd.h | 2 +-
include/linux/nfs4.h | 1 +
3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index f2e4ec3..38a957b 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -2560,7 +2560,8 @@ static __be32 fattr_handle_absent_fs(u32 *bmval0, u32 *bmval1, u32 *rdattr_err)
WRITE64(stat.ino);
}
#if defined(CONFIG_PNFSD)
- if (bmval1 & FATTR4_WORD1_FS_LAYOUT_TYPES) {
+ if ((bmval1 & FATTR4_WORD1_FS_LAYOUT_TYPES) ||
+ (bmval2 & FATTR4_WORD2_LAYOUT_TYPES)) {
struct super_block *sb = dentry->d_inode->i_sb;
int type = 0;

diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index 5d4b0e6..c262762 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -326,7 +326,7 @@ static inline void nfs4_reset_lease(time_t leasetime) { }
#if defined(CONFIG_PNFSD)
#define NFSD4_1_SUPPORTED_ATTRS_WORD2 \
(NFSD4_SUPPORTED_ATTRS_WORD2 | FATTR4_WORD2_SUPPATTR_EXCLCREAT | \
- FATTR4_WORD2_LAYOUT_BLKSIZE)
+ FATTR4_WORD2_LAYOUT_TYPES | FATTR4_WORD2_LAYOUT_BLKSIZE)
#else /* CONFIG_PNFSD */
#define NFSD4_1_SUPPORTED_ATTRS_WORD2 \
(NFSD4_SUPPORTED_ATTRS_WORD2 | FATTR4_WORD2_SUPPATTR_EXCLCREAT)
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 97605bc..0ad26b5 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -542,6 +542,7 @@ enum lock_type4 {
#define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22)
#define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23)
#define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30)
+#define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0)
#define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)

#define NFSPROC4_NULL 0
--
1.7.6.5