evin/ms-nfs41-client
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only send setattr if attr changed

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for hidden, system, and archive, first check with our cached attributes
and if the values are the same, ignore this setattr
This commit is contained in:
Olga Kornievskaia 2012-04-02 18:41:37 -04:00
parent 41389178a3
commit 9135e07221
2 changed files with 18 additions and 7 deletions
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2
daemon/open.c
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@ -584,7 +584,7 @@ static int handle_open(nfs41_upcall *upcall)
args->mode = info.mode;
args->changeattr = info.change;
} else {
nfs41_file_info createattrs;
nfs41_file_info createattrs = { 0 };
uint32_t create = 0, createhowmode = 0, lookup_status = status;
if (!lookup_status && (args->disposition == FILE_OVERWRITE ||

23
daemon/setattr.c
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@ -61,16 +61,27 @@ static int handle_nfs41_setattr(setattr_upcall_args *args)
nfs41_open_state *state = args->state;
nfs41_superblock *superblock = state->file.fh.superblock;
stateid_arg stateid;
nfs41_file_info info = { 0 };
int status = NO_ERROR;
nfs41_file_info info = { 0 }, old_info = { 0 };
int status = NO_ERROR, getattr_status;
/* hidden */
info.hidden = basic_info->FileAttributes & FILE_ATTRIBUTE_HIDDEN ? 1 : 0;
info.system = basic_info->FileAttributes & FILE_ATTRIBUTE_SYSTEM ? 1 : 0;
info.archive = basic_info->FileAttributes & FILE_ATTRIBUTE_ARCHIVE ? 1 : 0;
info.attrmask.arr[0] |= FATTR4_WORD0_HIDDEN | FATTR4_WORD0_ARCHIVE;
info.attrmask.arr[1] = FATTR4_WORD1_SYSTEM;
info.attrmask.count = 2;
getattr_status = nfs41_attr_cache_lookup(session_name_cache(state->session),
state->file.fh.fileid, &old_info);
if (getattr_status || info.hidden != old_info.hidden) {
info.attrmask.arr[0] = FATTR4_WORD0_HIDDEN;
info.attrmask.count = 1;
}
if (getattr_status || info.archive != old_info.archive) {
info.attrmask.arr[0] |= FATTR4_WORD0_ARCHIVE;
info.attrmask.count = 1;
}
if (getattr_status || info.system != old_info.system) {
info.attrmask.arr[1] = FATTR4_WORD1_SYSTEM;
info.attrmask.count = 2;
}
if (superblock->cansettime) {
/* set the time_delta so xdr_settime4() can decide