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nfs: define and use the NFS_INO_INVALID_XATTR flag 

Define the NFS_INO_INVALID_XATTR flag, to be used for the NFSv4.2 xattr
cache, and use it where appropriate.

No functional change as yet.

Signed-off-by: Frank van der Linden <fllinden@amazon.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
zero-sugar-mainline-defconfig
Frank van der Linden 2020-06-23 22:39:00 +00:00 committed by Trond Myklebust
parent 1b523ca972
commit 0f44da51ae
4 changed files with 11 additions and 3 deletions
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7
fs/nfs/inode.c
View File

@ -204,7 +204,8 @@ static void nfs_set_cache_invalid(struct inode *inode, unsigned long flags)
flags &= ~NFS_INO_INVALID_OTHER;
flags &= ~(NFS_INO_INVALID_CHANGE
| NFS_INO_INVALID_SIZE
| NFS_INO_REVAL_PAGECACHE);
| NFS_INO_REVAL_PAGECACHE
| NFS_INO_INVALID_XATTR);
}
if (inode->i_mapping->nrpages == 0)
@ -542,6 +543,8 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st
inode->i_gid = fattr->gid;
else if (nfs_server_capable(inode, NFS_CAP_OWNER_GROUP))
nfs_set_cache_invalid(inode, NFS_INO_INVALID_OTHER);
if (nfs_server_capable(inode, NFS_CAP_XATTR))
nfs_set_cache_invalid(inode, NFS_INO_INVALID_XATTR);
if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED)
inode->i_blocks = fattr->du.nfs2.blocks;
if (fattr->valid & NFS_ATTR_FATTR_SPACE_USED) {
@ -1375,6 +1378,8 @@ static void nfs_wcc_update_inode(struct inode *inode, struct nfs_fattr *fattr)
inode_set_iversion_raw(inode, fattr->change_attr);
if (S_ISDIR(inode->i_mode))
nfs_set_cache_invalid(inode, NFS_INO_INVALID_DATA);
else if (nfs_server_capable(inode, NFS_CAP_XATTR))
nfs_set_cache_invalid(inode, NFS_INO_INVALID_XATTR);
}
/* If we have atomic WCC data, we may update some attributes */
ts = inode->i_ctime;

3
fs/nfs/nfs4proc.c
View File

@ -1183,7 +1183,8 @@ nfs4_update_changeattr_locked(struct inode *inode,
if (cinfo->before != inode_peek_iversion_raw(inode))
nfsi->cache_validity |= NFS_INO_INVALID_ACCESS |
NFS_INO_INVALID_ACL;
NFS_INO_INVALID_ACL |
NFS_INO_INVALID_XATTR;
}
inode_set_iversion_raw(inode, cinfo->after);
nfsi->read_cache_jiffies = timestamp;

3
fs/nfs/nfstrace.h
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@ -59,7 +59,8 @@ TRACE_DEFINE_ENUM(NFS_INO_INVALID_OTHER);
{ NFS_INO_INVALID_CTIME, "INVALID_CTIME" }, \
{ NFS_INO_INVALID_MTIME, "INVALID_MTIME" }, \
{ NFS_INO_INVALID_SIZE, "INVALID_SIZE" }, \
{ NFS_INO_INVALID_OTHER, "INVALID_OTHER" })
{ NFS_INO_INVALID_OTHER, "INVALID_OTHER" }, \
{ NFS_INO_INVALID_XATTR, "INVALID_XATTR" })
TRACE_DEFINE_ENUM(NFS_INO_ADVISE_RDPLUS);
TRACE_DEFINE_ENUM(NFS_INO_STALE);

1
include/linux/nfs_fs.h
View File

@ -234,6 +234,7 @@ struct nfs4_copy_state {
#define NFS_INO_DATA_INVAL_DEFER \
BIT(13) /* Deferred cache invalidation */
#define NFS_INO_INVALID_BLOCKS BIT(14) /* cached blocks are invalid */
#define NFS_INO_INVALID_XATTR BIT(15) /* xattrs are invalid */
#define NFS_INO_INVALID_ATTR (NFS_INO_INVALID_CHANGE \
| NFS_INO_INVALID_CTIME \