From: "J. Bruce Fields" <[email protected]> It doesn't make sense to carry all these extra fields around. Just make everything into change attribute from the start.
This is just cleanup, there should be no change in behavior. Signed-off-by: J. Bruce Fields <[email protected]> --- fs/nfsd/nfs4xdr.c | 11 ++--------- fs/nfsd/xdr4.h | 22 +++++++++------------- include/linux/iversion.h | 13 +++++++++++++ 3 files changed, 24 insertions(+), 22 deletions(-) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 56fd5f6d5c44..18c912930947 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2331,15 +2331,8 @@ static __be32 *encode_time_delta(__be32 *p, struct inode *inode) static __be32 *encode_cinfo(__be32 *p, struct nfsd4_change_info *c) { *p++ = cpu_to_be32(c->atomic); - if (c->change_supported) { - p = xdr_encode_hyper(p, c->before_change); - p = xdr_encode_hyper(p, c->after_change); - } else { - *p++ = cpu_to_be32(c->before_ctime_sec); - *p++ = cpu_to_be32(c->before_ctime_nsec); - *p++ = cpu_to_be32(c->after_ctime_sec); - *p++ = cpu_to_be32(c->after_ctime_nsec); - } + p = xdr_encode_hyper(p, c->before_change); + p = xdr_encode_hyper(p, c->after_change); return p; } diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h index 679d40af1bbb..9c2d942d055d 100644 --- a/fs/nfsd/xdr4.h +++ b/fs/nfsd/xdr4.h @@ -76,12 +76,7 @@ static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs) struct nfsd4_change_info { u32 atomic; - bool change_supported; - u32 before_ctime_sec; - u32 before_ctime_nsec; u64 before_change; - u32 after_ctime_sec; - u32 after_ctime_nsec; u64 after_change; }; @@ -768,15 +763,16 @@ set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp) { BUG_ON(!fhp->fh_pre_saved); cinfo->atomic = (u32)fhp->fh_post_saved; - cinfo->change_supported = IS_I_VERSION(d_inode(fhp->fh_dentry)); - - cinfo->before_change = fhp->fh_pre_change; - cinfo->after_change = fhp->fh_post_change; - cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec; - cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec; - cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec; - cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec; + if (IS_I_VERSION(d_inode(fhp->fh_dentry))) { + cinfo->before_change = fhp->fh_pre_change; + cinfo->after_change = fhp->fh_post_change; + } else { + cinfo->before_change = + time_to_chattr(&fhp->fh_pre_ctime); + cinfo->after_change = + time_to_chattr(&fhp->fh_post_attr.ctime); + } } diff --git a/include/linux/iversion.h b/include/linux/iversion.h index 2917ef990d43..3bfebde5a1a6 100644 --- a/include/linux/iversion.h +++ b/include/linux/iversion.h @@ -328,6 +328,19 @@ inode_query_iversion(struct inode *inode) return cur >> I_VERSION_QUERIED_SHIFT; } +/* + * For filesystems without any sort of change attribute, the best we can + * do is fake one up from the ctime: + */ +static inline u64 time_to_chattr(struct timespec64 *t) +{ + u64 chattr = t->tv_sec; + + chattr <<= 32; + chattr += t->tv_nsec; + return chattr; +} + /** * inode_eq_iversion_raw - check whether the raw i_version counter has changed * @inode: inode to check -- 2.28.0 -- Linux-cachefs mailing list [email protected] https://www.redhat.com/mailman/listinfo/linux-cachefs
