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-rw-r--r--fs/afs/cmservice.c6
-rw-r--r--fs/afs/dir.c1
-rw-r--r--fs/afs/file.c3
-rw-r--r--fs/afs/fs_probe.c5
-rw-r--r--fs/afs/internal.h8
-rw-r--r--fs/afs/rxrpc.c24
-rw-r--r--fs/afs/volume.c6
-rw-r--r--fs/afs/write.c83
8 files changed, 76 insertions, 60 deletions
diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c
index 7dcd59693a0c..d4ddb20d6732 100644
--- a/fs/afs/cmservice.c
+++ b/fs/afs/cmservice.c
@@ -13,6 +13,8 @@
#include "internal.h"
#include "afs_cm.h"
#include "protocol_yfs.h"
+#define RXRPC_TRACE_ONLY_DEFINE_ENUMS
+#include <trace/events/rxrpc.h>
static int afs_deliver_cb_init_call_back_state(struct afs_call *);
static int afs_deliver_cb_init_call_back_state3(struct afs_call *);
@@ -191,7 +193,7 @@ static void afs_cm_destructor(struct afs_call *call)
* Abort a service call from within an action function.
*/
static void afs_abort_service_call(struct afs_call *call, u32 abort_code, int error,
- const char *why)
+ enum rxrpc_abort_reason why)
{
rxrpc_kernel_abort_call(call->net->socket, call->rxcall,
abort_code, error, why);
@@ -469,7 +471,7 @@ static void SRXAFSCB_ProbeUuid(struct work_struct *work)
if (memcmp(r, &call->net->uuid, sizeof(call->net->uuid)) == 0)
afs_send_empty_reply(call);
else
- afs_abort_service_call(call, 1, 1, "K-1");
+ afs_abort_service_call(call, 1, 1, afs_abort_probeuuid_negative);
afs_put_call(call);
_leave("");
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 104df2964225..b7c1f8c84b38 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -77,6 +77,7 @@ const struct address_space_operations afs_dir_aops = {
.dirty_folio = afs_dir_dirty_folio,
.release_folio = afs_dir_release_folio,
.invalidate_folio = afs_dir_invalidate_folio,
+ .migrate_folio = filemap_migrate_folio,
};
const struct dentry_operations afs_fs_dentry_operations = {
diff --git a/fs/afs/file.c b/fs/afs/file.c
index 2eeab57df133..68d6d5dc608d 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -58,14 +58,15 @@ const struct address_space_operations afs_file_aops = {
.invalidate_folio = afs_invalidate_folio,
.write_begin = afs_write_begin,
.write_end = afs_write_end,
- .writepage = afs_writepage,
.writepages = afs_writepages,
+ .migrate_folio = filemap_migrate_folio,
};
const struct address_space_operations afs_symlink_aops = {
.read_folio = afs_symlink_read_folio,
.release_folio = afs_release_folio,
.invalidate_folio = afs_invalidate_folio,
+ .migrate_folio = filemap_migrate_folio,
};
static const struct vm_operations_struct afs_vm_ops = {
diff --git a/fs/afs/fs_probe.c b/fs/afs/fs_probe.c
index 3ac5fcf98d0d..daaf3810cc92 100644
--- a/fs/afs/fs_probe.c
+++ b/fs/afs/fs_probe.c
@@ -366,12 +366,15 @@ void afs_fs_probe_dispatcher(struct work_struct *work)
unsigned long nowj, timer_at, poll_at;
bool first_pass = true, set_timer = false;
- if (!net->live)
+ if (!net->live) {
+ afs_dec_servers_outstanding(net);
return;
+ }
_enter("");
if (list_empty(&net->fs_probe_fast) && list_empty(&net->fs_probe_slow)) {
+ afs_dec_servers_outstanding(net);
_leave(" [none]");
return;
}
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 9ba7b68375c9..fd8567b98e2b 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -972,13 +972,6 @@ extern void afs_merge_fs_addr4(struct afs_addr_list *, __be32, u16);
extern void afs_merge_fs_addr6(struct afs_addr_list *, __be32 *, u16);
/*
- * cache.c
- */
-#ifdef CONFIG_AFS_FSCACHE
-extern struct fscache_netfs afs_cache_netfs;
-#endif
-
-/*
* callback.c
*/
extern void afs_invalidate_mmap_work(struct work_struct *);
@@ -1391,7 +1384,6 @@ extern void afs_put_permits(struct afs_permits *);
extern void afs_clear_permits(struct afs_vnode *);
extern void afs_cache_permit(struct afs_vnode *, struct key *, unsigned int,
struct afs_status_cb *);
-extern void afs_zap_permits(struct rcu_head *);
extern struct key *afs_request_key(struct afs_cell *);
extern struct key *afs_request_key_rcu(struct afs_cell *);
extern int afs_check_permit(struct afs_vnode *, struct key *, afs_access_t *);
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index c62939e5ea1f..7817e2b860e5 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -13,6 +13,8 @@
#include "internal.h"
#include "afs_cm.h"
#include "protocol_yfs.h"
+#define RXRPC_TRACE_ONLY_DEFINE_ENUMS
+#include <trace/events/rxrpc.h>
struct workqueue_struct *afs_async_calls;
@@ -397,7 +399,8 @@ void afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call, gfp_t gfp)
error_do_abort:
if (ret != -ECONNABORTED) {
rxrpc_kernel_abort_call(call->net->socket, rxcall,
- RX_USER_ABORT, ret, "KSD");
+ RX_USER_ABORT, ret,
+ afs_abort_send_data_error);
} else {
len = 0;
iov_iter_kvec(&msg.msg_iter, ITER_DEST, NULL, 0, 0);
@@ -527,7 +530,8 @@ static void afs_deliver_to_call(struct afs_call *call)
case -ENOTSUPP:
abort_code = RXGEN_OPCODE;
rxrpc_kernel_abort_call(call->net->socket, call->rxcall,
- abort_code, ret, "KIV");
+ abort_code, ret,
+ afs_abort_op_not_supported);
goto local_abort;
case -EIO:
pr_err("kAFS: Call %u in bad state %u\n",
@@ -542,12 +546,14 @@ static void afs_deliver_to_call(struct afs_call *call)
if (state != AFS_CALL_CL_AWAIT_REPLY)
abort_code = RXGEN_SS_UNMARSHAL;
rxrpc_kernel_abort_call(call->net->socket, call->rxcall,
- abort_code, ret, "KUM");
+ abort_code, ret,
+ afs_abort_unmarshal_error);
goto local_abort;
default:
abort_code = RX_CALL_DEAD;
rxrpc_kernel_abort_call(call->net->socket, call->rxcall,
- abort_code, ret, "KER");
+ abort_code, ret,
+ afs_abort_general_error);
goto local_abort;
}
}
@@ -619,7 +625,8 @@ long afs_wait_for_call_to_complete(struct afs_call *call,
/* Kill off the call if it's still live. */
_debug("call interrupted");
if (rxrpc_kernel_abort_call(call->net->socket, call->rxcall,
- RX_USER_ABORT, -EINTR, "KWI"))
+ RX_USER_ABORT, -EINTR,
+ afs_abort_interrupted))
afs_set_call_complete(call, -EINTR, 0);
}
}
@@ -836,7 +843,8 @@ void afs_send_empty_reply(struct afs_call *call)
case -ENOMEM:
_debug("oom");
rxrpc_kernel_abort_call(net->socket, call->rxcall,
- RXGEN_SS_MARSHAL, -ENOMEM, "KOO");
+ RXGEN_SS_MARSHAL, -ENOMEM,
+ afs_abort_oom);
fallthrough;
default:
_leave(" [error]");
@@ -878,7 +886,8 @@ void afs_send_simple_reply(struct afs_call *call, const void *buf, size_t len)
if (n == -ENOMEM) {
_debug("oom");
rxrpc_kernel_abort_call(net->socket, call->rxcall,
- RXGEN_SS_MARSHAL, -ENOMEM, "KOO");
+ RXGEN_SS_MARSHAL, -ENOMEM,
+ afs_abort_oom);
}
_leave(" [error]");
}
@@ -900,6 +909,7 @@ int afs_extract_data(struct afs_call *call, bool want_more)
ret = rxrpc_kernel_recv_data(net->socket, call->rxcall, iter,
&call->iov_len, want_more, &remote_abort,
&call->service_id);
+ trace_afs_receive_data(call, call->iter, want_more, ret);
if (ret == 0 || ret == -EAGAIN)
return ret;
diff --git a/fs/afs/volume.c b/fs/afs/volume.c
index f4937029dcd7..29d483c80281 100644
--- a/fs/afs/volume.c
+++ b/fs/afs/volume.c
@@ -70,11 +70,7 @@ static struct afs_volume *afs_alloc_volume(struct afs_fs_context *params,
{
struct afs_server_list *slist;
struct afs_volume *volume;
- int ret = -ENOMEM, nr_servers = 0, i;
-
- for (i = 0; i < vldb->nr_servers; i++)
- if (vldb->fs_mask[i] & type_mask)
- nr_servers++;
+ int ret = -ENOMEM;
volume = kzalloc(sizeof(struct afs_volume), GFP_KERNEL);
if (!volume)
diff --git a/fs/afs/write.c b/fs/afs/write.c
index 08fd456dde67..19df10d63323 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -14,6 +14,11 @@
#include <linux/netfs.h>
#include "internal.h"
+static int afs_writepages_region(struct address_space *mapping,
+ struct writeback_control *wbc,
+ loff_t start, loff_t end, loff_t *_next,
+ bool max_one_loop);
+
static void afs_write_to_cache(struct afs_vnode *vnode, loff_t start, size_t len,
loff_t i_size, bool caching);
@@ -39,6 +44,25 @@ static void afs_folio_start_fscache(bool caching, struct folio *folio)
#endif
/*
+ * Flush out a conflicting write. This may extend the write to the surrounding
+ * pages if also dirty and contiguous to the conflicting region..
+ */
+static int afs_flush_conflicting_write(struct address_space *mapping,
+ struct folio *folio)
+{
+ struct writeback_control wbc = {
+ .sync_mode = WB_SYNC_ALL,
+ .nr_to_write = LONG_MAX,
+ .range_start = folio_pos(folio),
+ .range_end = LLONG_MAX,
+ };
+ loff_t next;
+
+ return afs_writepages_region(mapping, &wbc, folio_pos(folio), LLONG_MAX,
+ &next, true);
+}
+
+/*
* prepare to perform part of a write to a page
*/
int afs_write_begin(struct file *file, struct address_space *mapping,
@@ -80,7 +104,8 @@ try_again:
if (folio_test_writeback(folio)) {
trace_afs_folio_dirty(vnode, tracepoint_string("alrdy"), folio);
- goto flush_conflicting_write;
+ folio_unlock(folio);
+ goto wait_for_writeback;
}
/* If the file is being filled locally, allow inter-write
* spaces to be merged into writes. If it's not, only write
@@ -99,8 +124,15 @@ try_again:
* flush the page out.
*/
flush_conflicting_write:
- _debug("flush conflict");
- ret = folio_write_one(folio);
+ trace_afs_folio_dirty(vnode, tracepoint_string("confl"), folio);
+ folio_unlock(folio);
+
+ ret = afs_flush_conflicting_write(mapping, folio);
+ if (ret < 0)
+ goto error;
+
+wait_for_writeback:
+ ret = folio_wait_writeback_killable(folio);
if (ret < 0)
goto error;
@@ -664,39 +696,12 @@ static ssize_t afs_write_back_from_locked_folio(struct address_space *mapping,
}
/*
- * write a page back to the server
- * - the caller locked the page for us
- */
-int afs_writepage(struct page *subpage, struct writeback_control *wbc)
-{
- struct folio *folio = page_folio(subpage);
- ssize_t ret;
- loff_t start;
-
- _enter("{%lx},", folio_index(folio));
-
-#ifdef CONFIG_AFS_FSCACHE
- folio_wait_fscache(folio);
-#endif
-
- start = folio_index(folio) * PAGE_SIZE;
- ret = afs_write_back_from_locked_folio(folio_mapping(folio), wbc,
- folio, start, LLONG_MAX - start);
- if (ret < 0) {
- _leave(" = %zd", ret);
- return ret;
- }
-
- _leave(" = 0");
- return 0;
-}
-
-/*
* write a region of pages back to the server
*/
static int afs_writepages_region(struct address_space *mapping,
struct writeback_control *wbc,
- loff_t start, loff_t end, loff_t *_next)
+ loff_t start, loff_t end, loff_t *_next,
+ bool max_one_loop)
{
struct folio *folio;
struct page *head_page;
@@ -775,6 +780,9 @@ static int afs_writepages_region(struct address_space *mapping,
start += ret;
+ if (max_one_loop)
+ break;
+
cond_resched();
} while (wbc->nr_to_write > 0);
@@ -806,24 +814,27 @@ int afs_writepages(struct address_space *mapping,
if (wbc->range_cyclic) {
start = mapping->writeback_index * PAGE_SIZE;
- ret = afs_writepages_region(mapping, wbc, start, LLONG_MAX, &next);
+ ret = afs_writepages_region(mapping, wbc, start, LLONG_MAX,
+ &next, false);
if (ret == 0) {
mapping->writeback_index = next / PAGE_SIZE;
if (start > 0 && wbc->nr_to_write > 0) {
ret = afs_writepages_region(mapping, wbc, 0,
- start, &next);
+ start, &next, false);
if (ret == 0)
mapping->writeback_index =
next / PAGE_SIZE;
}
}
} else if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) {
- ret = afs_writepages_region(mapping, wbc, 0, LLONG_MAX, &next);
+ ret = afs_writepages_region(mapping, wbc, 0, LLONG_MAX,
+ &next, false);
if (wbc->nr_to_write > 0 && ret == 0)
mapping->writeback_index = next / PAGE_SIZE;
} else {
ret = afs_writepages_region(mapping, wbc,
- wbc->range_start, wbc->range_end, &next);
+ wbc->range_start, wbc->range_end,
+ &next, false);
}
up_read(&vnode->validate_lock);
generated by cgit v1.2.3 (git 2.39.0) at 2025-07-25 10:42:07 +0300