Track the union of requested and supported child attributes in the delegation, and only encode the attributes in that union when sending add/remove/rename updates.
Signed-off-by: Jeff Layton <[email protected]> --- fs/nfsd/nfs4proc.c | 2 ++ fs/nfsd/nfs4state.c | 18 ++++++++++++++++++ fs/nfsd/nfs4xdr.c | 15 ++++++--------- fs/nfsd/state.h | 3 +++ 4 files changed, 29 insertions(+), 9 deletions(-) diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 01e3bf9e1839..a807a55dddf9 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -2553,6 +2553,8 @@ nfsd4_get_dir_delegation(struct svc_rqst *rqstp, gdd->gddrnf_status = GDD4_OK; memcpy(&gdd->gddr_stateid, &dd->dl_stid.sc_stateid, sizeof(gdd->gddr_stateid)); + gdd->gddr_child_attributes[0] = dd->dl_child_attrs[0]; + gdd->gddr_child_attributes[1] = dd->dl_child_attrs[1]; nfs4_put_stid(&dd->dl_stid); return nfs_ok; } diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 5f848c9910b8..28e34f6c95e7 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -9807,6 +9807,21 @@ nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp, struct dentry *dentry, return status; } +#define GDD_WORD0_CHILD_ATTRS (FATTR4_WORD0_TYPE | \ + FATTR4_WORD0_CHANGE | \ + FATTR4_WORD0_SIZE | \ + FATTR4_WORD0_FILEID | \ + FATTR4_WORD0_FILEHANDLE) + +#define GDD_WORD1_CHILD_ATTRS (FATTR4_WORD1_MODE | \ + FATTR4_WORD1_NUMLINKS | \ + FATTR4_WORD1_RAWDEV | \ + FATTR4_WORD1_SPACE_USED | \ + FATTR4_WORD1_TIME_ACCESS | \ + FATTR4_WORD1_TIME_METADATA | \ + FATTR4_WORD1_TIME_MODIFY | \ + FATTR4_WORD1_TIME_CREATE) + /** * nfsd_get_dir_deleg - attempt to get a directory delegation * @cstate: compound state @@ -9876,6 +9891,9 @@ nfsd_get_dir_deleg(struct nfsd4_compound_state *cstate, dp->dl_stid.sc_export = exp_get(cstate->current_fh.fh_export); + dp->dl_child_attrs[0] = gdd->gdda_child_attributes[0] & GDD_WORD0_CHILD_ATTRS; + dp->dl_child_attrs[1] = gdd->gdda_child_attributes[1] & GDD_WORD1_CHILD_ATTRS; + fl = nfs4_alloc_init_lease(dp, gdd->gddr_notification[0]); if (!fl) goto out_put_stid; diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 5d7d8545c904..bd1142590d2b 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -4183,18 +4183,15 @@ nfsd4_setup_notify_entry4(struct notify_entry4 *ne, struct xdr_stream *xdr, args.change_attr = nfsd4_change_attribute(&args.stat); - attrmask[0] = FATTR4_WORD0_TYPE | FATTR4_WORD0_CHANGE | - FATTR4_WORD0_SIZE | FATTR4_WORD0_FILEID; - attrmask[1] = FATTR4_WORD1_MODE | FATTR4_WORD1_NUMLINKS | FATTR4_WORD1_RAWDEV | - FATTR4_WORD1_SPACE_USED | FATTR4_WORD1_TIME_ACCESS | - FATTR4_WORD1_TIME_METADATA | FATTR4_WORD1_TIME_MODIFY; + attrmask[0] = dp->dl_child_attrs[0]; + attrmask[1] = dp->dl_child_attrs[1]; attrmask[2] = 0; - if (setup_notify_fhandle(dentry, fi, nf, &args)) - attrmask[0] |= FATTR4_WORD0_FILEHANDLE; + if (!setup_notify_fhandle(dentry, fi, nf, &args)) + attrmask[0] &= ~FATTR4_WORD0_FILEHANDLE; - if (args.stat.result_mask & STATX_BTIME) - attrmask[1] |= FATTR4_WORD1_TIME_CREATE; + if (!(args.stat.result_mask & STATX_BTIME)) + attrmask[1] &= ~FATTR4_WORD1_TIME_CREATE; ne->ne_attrs.attrmask.count = 2; ne->ne_attrs.attr_vals.data = (u8 *)xdr->p; diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index caa3f5f78dc1..cb1ac3248fe8 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -284,6 +284,9 @@ struct nfs4_delegation { struct timespec64 dl_atime; struct timespec64 dl_mtime; struct timespec64 dl_ctime; + + /* For dir delegations */ + uint32_t dl_child_attrs[2]; }; static inline bool deleg_is_read(u32 dl_type) -- 2.53.0
