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-rw-r--r--fs/afs/cell.c6
-rw-r--r--fs/afs/dir.c7
-rw-r--r--fs/afs/dynroot.c33
-rw-r--r--fs/afs/flock.c2
-rw-r--r--fs/afs/fs_probe.c4
-rw-r--r--fs/afs/fsclient.c2
-rw-r--r--fs/afs/inode.c16
-rw-r--r--fs/afs/internal.h3
-rw-r--r--fs/afs/misc.c1
-rw-r--r--fs/afs/rxrpc.c9
-rw-r--r--fs/afs/security.c2
-rw-r--r--fs/afs/server.c7
-rw-r--r--fs/afs/super.c2
-rw-r--r--fs/afs/vl_probe.c4
-rw-r--r--fs/afs/vl_rotate.c10
-rw-r--r--fs/afs/volume.c4
-rw-r--r--fs/afs/yfsclient.c3
17 files changed, 72 insertions, 43 deletions
diff --git a/fs/afs/cell.c b/fs/afs/cell.c
index 296b489861a9..1522fadd8d2d 100644
--- a/fs/afs/cell.c
+++ b/fs/afs/cell.c
@@ -404,10 +404,12 @@ static int afs_update_cell(struct afs_cell *cell)
if (ret == -ENOMEM)
goto out_wake;
- ret = -ENOMEM;
vllist = afs_alloc_vlserver_list(0);
- if (!vllist)
+ if (!vllist) {
+ if (ret >= 0)
+ ret = -ENOMEM;
goto out_wake;
+ }
switch (ret) {
case -ENODATA:
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 8c39533d122a..43f5b972fcea 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -415,8 +415,11 @@ static int afs_dir_iterate_block(struct afs_vnode *dvnode,
}
/* skip if starts before the current position */
- if (offset < curr)
+ if (offset < curr) {
+ if (next > curr)
+ ctx->pos = blkoff + next * sizeof(union afs_xdr_dirent);
continue;
+ }
/* found the next entry */
if (!dir_emit(ctx, dire->u.name, nlen,
@@ -1020,7 +1023,7 @@ static int afs_d_revalidate_rcu(struct dentry *dentry)
static int afs_d_revalidate(struct dentry *dentry, unsigned int flags)
{
struct afs_vnode *vnode, *dir;
- struct afs_fid uninitialized_var(fid);
+ struct afs_fid fid;
struct dentry *parent;
struct inode *inode;
struct key *key;
diff --git a/fs/afs/dynroot.c b/fs/afs/dynroot.c
index f07e53ab808e..d06994990fc3 100644
--- a/fs/afs/dynroot.c
+++ b/fs/afs/dynroot.c
@@ -20,6 +20,7 @@ static int afs_probe_cell_name(struct dentry *dentry)
struct afs_net *net = afs_d2net(dentry);
const char *name = dentry->d_name.name;
size_t len = dentry->d_name.len;
+ char *result = NULL;
int ret;
/* Names prefixed with a dot are R/W mounts. */
@@ -37,9 +38,22 @@ static int afs_probe_cell_name(struct dentry *dentry)
}
ret = dns_query(net->net, "afsdb", name, len, "srv=1",
- NULL, NULL, false);
- if (ret == -ENODATA)
- ret = -EDESTADDRREQ;
+ &result, NULL, false);
+ if (ret == -ENODATA || ret == -ENOKEY || ret == 0)
+ ret = -ENOENT;
+ if (ret > 0 && ret >= sizeof(struct dns_server_list_v1_header)) {
+ struct dns_server_list_v1_header *v1 = (void *)result;
+
+ if (v1->hdr.zero == 0 &&
+ v1->hdr.content == DNS_PAYLOAD_IS_SERVER_LIST &&
+ v1->hdr.version == 1 &&
+ (v1->status != DNS_LOOKUP_GOOD &&
+ v1->status != DNS_LOOKUP_GOOD_WITH_BAD))
+ return -ENOENT;
+
+ }
+
+ kfree(result);
return ret;
}
@@ -163,20 +177,9 @@ static int afs_dynroot_d_revalidate(struct dentry *dentry, unsigned int flags)
return 1;
}
-/*
- * Allow the VFS to enquire as to whether a dentry should be unhashed (mustn't
- * sleep)
- * - called from dput() when d_count is going to 0.
- * - return 1 to request dentry be unhashed, 0 otherwise
- */
-static int afs_dynroot_d_delete(const struct dentry *dentry)
-{
- return d_really_is_positive(dentry);
-}
-
const struct dentry_operations afs_dynroot_dentry_operations = {
.d_revalidate = afs_dynroot_d_revalidate,
- .d_delete = afs_dynroot_d_delete,
+ .d_delete = always_delete_dentry,
.d_release = afs_d_release,
.d_automount = afs_d_automount,
};
diff --git a/fs/afs/flock.c b/fs/afs/flock.c
index d5e5a6ddc847..0fa05998a24d 100644
--- a/fs/afs/flock.c
+++ b/fs/afs/flock.c
@@ -75,7 +75,7 @@ void afs_lock_op_done(struct afs_call *call)
if (call->error == 0) {
spin_lock(&vnode->lock);
trace_afs_flock_ev(vnode, NULL, afs_flock_timestamp, 0);
- vnode->locked_at = call->reply_time;
+ vnode->locked_at = call->issue_time;
afs_schedule_lock_extension(vnode);
spin_unlock(&vnode->lock);
}
diff --git a/fs/afs/fs_probe.c b/fs/afs/fs_probe.c
index 51ee3dd79700..e9282e025912 100644
--- a/fs/afs/fs_probe.c
+++ b/fs/afs/fs_probe.c
@@ -92,8 +92,8 @@ responded:
}
}
- if (rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us) &&
- rtt_us < server->probe.rtt) {
+ rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us);
+ if (rtt_us < server->probe.rtt) {
server->probe.rtt = rtt_us;
alist->preferred = index;
have_result = true;
diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index 5c2729fc07e5..254580b1dc74 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -136,7 +136,7 @@ bad:
static time64_t xdr_decode_expiry(struct afs_call *call, u32 expiry)
{
- return ktime_divns(call->reply_time, NSEC_PER_SEC) + expiry;
+ return ktime_divns(call->issue_time, NSEC_PER_SEC) + expiry;
}
static void xdr_decode_AFSCallBack(const __be32 **_bp,
diff --git a/fs/afs/inode.c b/fs/afs/inode.c
index 4f58b28a1edd..fd681eec49aa 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -227,6 +227,7 @@ static void afs_apply_status(struct afs_fs_cursor *fc,
set_bit(AFS_VNODE_ZAP_DATA, &vnode->flags);
}
change_size = true;
+ data_changed = true;
} else if (vnode->status.type == AFS_FTYPE_DIR) {
/* Expected directory change is handled elsewhere so
* that we can locally edit the directory and save on a
@@ -734,10 +735,23 @@ int afs_getattr(const struct path *path, struct kstat *stat,
{
struct inode *inode = d_inode(path->dentry);
struct afs_vnode *vnode = AFS_FS_I(inode);
- int seq = 0;
+ struct key *key;
+ int ret, seq = 0;
_enter("{ ino=%lu v=%u }", inode->i_ino, inode->i_generation);
+ if (vnode->volume &&
+ !(query_flags & AT_STATX_DONT_SYNC) &&
+ !test_bit(AFS_VNODE_CB_PROMISED, &vnode->flags)) {
+ key = afs_request_key(vnode->volume->cell);
+ if (IS_ERR(key))
+ return PTR_ERR(key);
+ ret = afs_validate(vnode, key);
+ key_put(key);
+ if (ret < 0)
+ return ret;
+ }
+
do {
read_seqbegin_or_lock(&vnode->cb_lock, &seq);
generic_fillattr(inode, stat);
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index c3ad582f9fd0..8d6582713fe7 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -159,7 +159,6 @@ struct afs_call {
bool need_attention; /* T if RxRPC poked us */
bool async; /* T if asynchronous */
bool upgrade; /* T to request service upgrade */
- bool have_reply_time; /* T if have got reply_time */
bool intr; /* T if interruptible */
bool unmarshalling_error; /* T if an unmarshalling error occurred */
u16 service_id; /* Actual service ID (after upgrade) */
@@ -173,7 +172,7 @@ struct afs_call {
} __attribute__((packed));
__be64 tmp64;
};
- ktime_t reply_time; /* Time of first reply packet */
+ ktime_t issue_time; /* Time of issue of operation */
};
struct afs_call_type {
diff --git a/fs/afs/misc.c b/fs/afs/misc.c
index 5334f1bd2bca..5171d6d99031 100644
--- a/fs/afs/misc.c
+++ b/fs/afs/misc.c
@@ -69,6 +69,7 @@ int afs_abort_to_error(u32 abort_code)
/* Unified AFS error table */
case UAEPERM: return -EPERM;
case UAENOENT: return -ENOENT;
+ case UAEAGAIN: return -EAGAIN;
case UAEACCES: return -EACCES;
case UAEBUSY: return -EBUSY;
case UAEEXIST: return -EEXIST;
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index 6adab30a8399..30952f073fb4 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -428,6 +428,7 @@ void afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call, gfp_t gfp)
if (call->max_lifespan)
rxrpc_kernel_set_max_life(call->net->socket, rxcall,
call->max_lifespan);
+ call->issue_time = ktime_get_real();
/* send the request */
iov[0].iov_base = call->request;
@@ -489,7 +490,7 @@ error_kill_call:
if (call->async) {
if (cancel_work_sync(&call->async_work))
afs_put_call(call);
- afs_put_call(call);
+ afs_set_call_complete(call, ret, 0);
}
ac->error = ret;
@@ -532,12 +533,6 @@ static void afs_deliver_to_call(struct afs_call *call)
return;
}
- if (!call->have_reply_time &&
- rxrpc_kernel_get_reply_time(call->net->socket,
- call->rxcall,
- &call->reply_time))
- call->have_reply_time = true;
-
ret = call->type->deliver(call);
state = READ_ONCE(call->state);
if (ret == 0 && call->unmarshalling_error)
diff --git a/fs/afs/security.c b/fs/afs/security.c
index ce9de1e6742b..207a54ce4540 100644
--- a/fs/afs/security.c
+++ b/fs/afs/security.c
@@ -401,7 +401,7 @@ int afs_check_permit(struct afs_vnode *vnode, struct key *key,
int afs_permission(struct inode *inode, int mask)
{
struct afs_vnode *vnode = AFS_FS_I(inode);
- afs_access_t uninitialized_var(access);
+ afs_access_t access;
struct key *key;
int ret = 0;
diff --git a/fs/afs/server.c b/fs/afs/server.c
index d3a9288f7556..44985ca6602e 100644
--- a/fs/afs/server.c
+++ b/fs/afs/server.c
@@ -35,7 +35,7 @@ struct afs_server *afs_find_server(struct afs_net *net,
const struct afs_addr_list *alist;
struct afs_server *server = NULL;
unsigned int i;
- int seq = 0, diff;
+ int seq = 1, diff;
rcu_read_lock();
@@ -43,6 +43,7 @@ struct afs_server *afs_find_server(struct afs_net *net,
if (server)
afs_put_server(net, server, afs_server_trace_put_find_rsq);
server = NULL;
+ seq++; /* 2 on the 1st/lockless path, otherwise odd */
read_seqbegin_or_lock(&net->fs_addr_lock, &seq);
if (srx->transport.family == AF_INET6) {
@@ -98,7 +99,7 @@ struct afs_server *afs_find_server_by_uuid(struct afs_net *net, const uuid_t *uu
{
struct afs_server *server = NULL;
struct rb_node *p;
- int diff, seq = 0;
+ int diff, seq = 1;
_enter("%pU", uuid);
@@ -110,7 +111,7 @@ struct afs_server *afs_find_server_by_uuid(struct afs_net *net, const uuid_t *uu
if (server)
afs_put_server(net, server, afs_server_trace_put_uuid_rsq);
server = NULL;
-
+ seq++; /* 2 on the 1st/lockless path, otherwise odd */
read_seqbegin_or_lock(&net->fs_lock, &seq);
p = net->fs_servers.rb_node;
diff --git a/fs/afs/super.c b/fs/afs/super.c
index eb04dcc54328..554119068ea4 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -391,6 +391,8 @@ static int afs_validate_fc(struct fs_context *fc)
return PTR_ERR(volume);
ctx->volume = volume;
+ if (volume->type != AFSVL_RWVOL)
+ ctx->flock_mode = afs_flock_mode_local;
}
return 0;
diff --git a/fs/afs/vl_probe.c b/fs/afs/vl_probe.c
index 081b7e5b13f5..163069d9fc16 100644
--- a/fs/afs/vl_probe.c
+++ b/fs/afs/vl_probe.c
@@ -92,8 +92,8 @@ responded:
}
}
- if (rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us) &&
- rtt_us < server->probe.rtt) {
+ rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us);
+ if (rtt_us < server->probe.rtt) {
server->probe.rtt = rtt_us;
alist->preferred = index;
have_result = true;
diff --git a/fs/afs/vl_rotate.c b/fs/afs/vl_rotate.c
index 9a5ce9687779..370c27cae2e6 100644
--- a/fs/afs/vl_rotate.c
+++ b/fs/afs/vl_rotate.c
@@ -58,6 +58,12 @@ static bool afs_start_vl_iteration(struct afs_vl_cursor *vc)
}
/* Status load is ordered after lookup counter load */
+ if (cell->dns_status == DNS_LOOKUP_GOT_NOT_FOUND) {
+ pr_warn("No record of cell %s\n", cell->name);
+ vc->error = -ENOENT;
+ return false;
+ }
+
if (cell->dns_source == DNS_RECORD_UNAVAILABLE) {
vc->error = -EDESTADDRREQ;
return false;
@@ -276,6 +282,7 @@ failed:
*/
static void afs_vl_dump_edestaddrreq(const struct afs_vl_cursor *vc)
{
+ struct afs_cell *cell = vc->cell;
static int count;
int i;
@@ -285,6 +292,9 @@ static void afs_vl_dump_edestaddrreq(const struct afs_vl_cursor *vc)
rcu_read_lock();
pr_notice("EDESTADDR occurred\n");
+ pr_notice("CELL: %s err=%d\n", cell->name, cell->error);
+ pr_notice("DNS: src=%u st=%u lc=%x\n",
+ cell->dns_source, cell->dns_status, cell->dns_lookup_count);
pr_notice("VC: ut=%lx ix=%u ni=%hu fl=%hx err=%hd\n",
vc->untried, vc->index, vc->nr_iterations, vc->flags, vc->error);
diff --git a/fs/afs/volume.c b/fs/afs/volume.c
index 4310336b9bb8..4225bc766d46 100644
--- a/fs/afs/volume.c
+++ b/fs/afs/volume.c
@@ -221,7 +221,7 @@ static int afs_update_volume_status(struct afs_volume *volume, struct key *key)
{
struct afs_server_list *new, *old, *discard;
struct afs_vldb_entry *vldb;
- char idbuf[16];
+ char idbuf[24];
int ret, idsz;
_enter("");
@@ -229,7 +229,7 @@ static int afs_update_volume_status(struct afs_volume *volume, struct key *key)
/* We look up an ID by passing it as a decimal string in the
* operation's name parameter.
*/
- idsz = sprintf(idbuf, "%llu", volume->vid);
+ idsz = snprintf(idbuf, sizeof(idbuf), "%llu", volume->vid);
vldb = afs_vl_lookup_vldb(volume->cell, key, idbuf, idsz);
if (IS_ERR(vldb)) {
diff --git a/fs/afs/yfsclient.c b/fs/afs/yfsclient.c
index 3b19b009452a..fa85b359f325 100644
--- a/fs/afs/yfsclient.c
+++ b/fs/afs/yfsclient.c
@@ -241,8 +241,7 @@ static void xdr_decode_YFSCallBack(const __be32 **_bp,
struct afs_callback *cb = &scb->callback;
ktime_t cb_expiry;
- cb_expiry = call->reply_time;
- cb_expiry = ktime_add(cb_expiry, xdr_to_u64(x->expiration_time) * 100);
+ cb_expiry = ktime_add(call->issue_time, xdr_to_u64(x->expiration_time) * 100);
cb->expires_at = ktime_divns(cb_expiry, NSEC_PER_SEC);
scb->have_cb = true;
*_bp += xdr_size(x);
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-31 14:46:33 +0000