From: Trond Myklebust <[email protected]>
When we're looking to revalidate the page cache, we should just ensure
that we mark the change attribute invalid.
Signed-off-by: Trond Myklebust <[email protected]>
---
fs/nfs/inode.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 93f487c15663..f0c983151f3c 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -219,7 +219,8 @@ void nfs_set_cache_invalid(struct inode *inode, unsigned long flags)
| NFS_INO_INVALID_SIZE
| NFS_INO_REVAL_PAGECACHE
| NFS_INO_INVALID_XATTR);
- }
+ } else if (flags & NFS_INO_REVAL_PAGECACHE)
+ flags |= NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_SIZE;
if (!nfs_has_xattr_cache(nfsi))
flags &= ~NFS_INO_INVALID_XATTR;
--
2.30.2
From: Trond Myklebust <[email protected]>
Ensure that when the change attribute or the size change, we also
remember to revalidate the space used.
Signed-off-by: Trond Myklebust <[email protected]>
---
fs/nfs/inode.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index f0c983151f3c..138d0998fd91 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -565,12 +565,13 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st
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) {
+ else if (fattr->valid & NFS_ATTR_FATTR_SPACE_USED) {
/*
* report the blocks in 512byte units
*/
inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used);
- }
+ } else if (fattr->size != 0)
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_BLOCKS);
if (nfsi->cache_validity != 0)
nfsi->cache_validity |= NFS_INO_REVAL_FORCED;
@@ -711,7 +712,8 @@ void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr,
spin_lock(&inode->i_lock);
NFS_I(inode)->attr_gencount = fattr->gencount;
if ((attr->ia_valid & ATTR_SIZE) != 0) {
- nfs_set_cache_invalid(inode, NFS_INO_INVALID_MTIME);
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_MTIME |
+ NFS_INO_INVALID_BLOCKS);
nfs_inc_stats(inode, NFSIOS_SETATTRTRUNC);
nfs_vmtruncate(inode, attr->ia_size);
}
@@ -1933,6 +1935,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
save_cache_validity |= NFS_INO_INVALID_CTIME
| NFS_INO_INVALID_MTIME
| NFS_INO_INVALID_SIZE
+ | NFS_INO_INVALID_BLOCKS
| NFS_INO_INVALID_OTHER;
if (S_ISDIR(inode->i_mode))
nfs_force_lookup_revalidate(inode);
@@ -1990,6 +1993,12 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
(long long)cur_isize,
(long long)new_isize);
}
+ if (new_isize == 0 &&
+ !(fattr->valid & (NFS_ATTR_FATTR_SPACE_USED |
+ NFS_ATTR_FATTR_BLOCKS_USED))) {
+ fattr->du.nfs3.used = 0;
+ fattr->valid |= NFS_ATTR_FATTR_SPACE_USED;
+ }
} else {
nfsi->cache_validity |= save_cache_validity &
(NFS_INO_INVALID_SIZE
--
2.30.2
From: Trond Myklebust <[email protected]>
If the user doesn't set STATX_UID/GID/MODE, then don't care if they are
known to be stale. Ditto if we're not being asked for the file size.
Signed-off-by: Trond Myklebust <[email protected]>
---
fs/nfs/inode.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 138d0998fd91..5280f28a67a7 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -857,12 +857,17 @@ int nfs_getattr(struct user_namespace *mnt_userns, const struct path *path,
/* Check whether the cached attributes are stale */
do_update |= force_sync || nfs_attribute_cache_expired(inode);
cache_validity = READ_ONCE(NFS_I(inode)->cache_validity);
- do_update |= cache_validity &
- (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_LABEL);
+ do_update |= cache_validity & NFS_INO_INVALID_CHANGE;
if (request_mask & STATX_ATIME)
do_update |= cache_validity & NFS_INO_INVALID_ATIME;
- if (request_mask & (STATX_CTIME|STATX_MTIME))
- do_update |= cache_validity & NFS_INO_REVAL_PAGECACHE;
+ if (request_mask & STATX_CTIME)
+ do_update |= cache_validity & NFS_INO_INVALID_CTIME;
+ if (request_mask & STATX_MTIME)
+ do_update |= cache_validity & NFS_INO_INVALID_MTIME;
+ if (request_mask & STATX_SIZE)
+ do_update |= cache_validity & NFS_INO_INVALID_SIZE;
+ if (request_mask & (STATX_UID | STATX_GID | STATX_MODE | STATX_NLINK))
+ do_update |= cache_validity & NFS_INO_INVALID_OTHER;
if (request_mask & STATX_BLOCKS)
do_update |= cache_validity & NFS_INO_INVALID_BLOCKS;
if (do_update) {
--
2.30.2