summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/cgroup-defs.h3
-rw-r--r--include/linux/fs/super_types.h1
-rw-r--r--include/linux/iommu.h3
-rw-r--r--include/linux/leafops.h32
-rw-r--r--include/linux/mempolicy.h1
-rw-r--r--include/linux/mpage.h11
-rw-r--r--include/linux/netfilter/ipset/ip_set.h2
-rw-r--r--include/linux/netfs.h1
-rw-r--r--include/linux/pagemap.h11
-rw-r--r--include/linux/skbuff.h1
-rw-r--r--include/linux/spi/spi.h5
11 files changed, 39 insertions, 32 deletions
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index bb92f5c169ca2..7f87399938fa2 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -609,6 +609,9 @@ struct cgroup {
/* used to wait for offlining of csses */
wait_queue_head_t offline_waitq;
+ /* used by cgroup_rmdir() to wait for dying tasks to leave */
+ wait_queue_head_t dying_populated_waitq;
+
/* used to schedule release agent */
struct work_struct release_agent_work;
diff --git a/include/linux/fs/super_types.h b/include/linux/fs/super_types.h
index fa7638b81246e..383050e7fdf57 100644
--- a/include/linux/fs/super_types.h
+++ b/include/linux/fs/super_types.h
@@ -338,5 +338,6 @@ struct super_block {
#define SB_I_NOUMASK 0x00001000 /* VFS does not apply umask */
#define SB_I_NOIDMAP 0x00002000 /* No idmapped mounts on this superblock */
#define SB_I_ALLOW_HSM 0x00004000 /* Allow HSM events on this superblock */
+#define SB_I_NO_DATA_INTEGRITY 0x00008000 /* fs cannot guarantee data persistence on sync */
#endif /* _LINUX_FS_SUPER_TYPES_H */
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 54b8b48c762e8..555597b54083c 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -980,7 +980,8 @@ static inline void iommu_flush_iotlb_all(struct iommu_domain *domain)
static inline void iommu_iotlb_sync(struct iommu_domain *domain,
struct iommu_iotlb_gather *iotlb_gather)
{
- if (domain->ops->iotlb_sync)
+ if (domain->ops->iotlb_sync &&
+ likely(iotlb_gather->start < iotlb_gather->end))
domain->ops->iotlb_sync(domain, iotlb_gather);
iommu_iotlb_gather_init(iotlb_gather);
diff --git a/include/linux/leafops.h b/include/linux/leafops.h
index a9ff94b744f22..05673d3529e75 100644
--- a/include/linux/leafops.h
+++ b/include/linux/leafops.h
@@ -363,6 +363,23 @@ static inline unsigned long softleaf_to_pfn(softleaf_t entry)
return swp_offset(entry) & SWP_PFN_MASK;
}
+static inline void softleaf_migration_sync(softleaf_t entry,
+ struct folio *folio)
+{
+ /*
+ * Ensure we do not race with split, which might alter tail pages into new
+ * folios and thus result in observing an unlocked folio.
+ * This matches the write barrier in __split_folio_to_order().
+ */
+ smp_rmb();
+
+ /*
+ * Any use of migration entries may only occur while the
+ * corresponding page is locked
+ */
+ VM_WARN_ON_ONCE(!folio_test_locked(folio));
+}
+
/**
* softleaf_to_page() - Obtains struct page for PFN encoded within leaf entry.
* @entry: Leaf entry, softleaf_has_pfn(@entry) must return true.
@@ -374,11 +391,8 @@ static inline struct page *softleaf_to_page(softleaf_t entry)
struct page *page = pfn_to_page(softleaf_to_pfn(entry));
VM_WARN_ON_ONCE(!softleaf_has_pfn(entry));
- /*
- * Any use of migration entries may only occur while the
- * corresponding page is locked
- */
- VM_WARN_ON_ONCE(softleaf_is_migration(entry) && !PageLocked(page));
+ if (softleaf_is_migration(entry))
+ softleaf_migration_sync(entry, page_folio(page));
return page;
}
@@ -394,12 +408,8 @@ static inline struct folio *softleaf_to_folio(softleaf_t entry)
struct folio *folio = pfn_folio(softleaf_to_pfn(entry));
VM_WARN_ON_ONCE(!softleaf_has_pfn(entry));
- /*
- * Any use of migration entries may only occur while the
- * corresponding folio is locked.
- */
- VM_WARN_ON_ONCE(softleaf_is_migration(entry) &&
- !folio_test_locked(folio));
+ if (softleaf_is_migration(entry))
+ softleaf_migration_sync(entry, folio);
return folio;
}
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 0fe96f3ab3ef0..65c732d440d2f 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -55,6 +55,7 @@ struct mempolicy {
nodemask_t cpuset_mems_allowed; /* relative to these nodes */
nodemask_t user_nodemask; /* nodemask passed by user */
} w;
+ struct rcu_head rcu;
};
/*
diff --git a/include/linux/mpage.h b/include/linux/mpage.h
index 1bdc39daac0a3..358946990bfa5 100644
--- a/include/linux/mpage.h
+++ b/include/linux/mpage.h
@@ -17,7 +17,14 @@ struct readahead_control;
void mpage_readahead(struct readahead_control *, get_block_t get_block);
int mpage_read_folio(struct folio *folio, get_block_t get_block);
-int mpage_writepages(struct address_space *mapping,
- struct writeback_control *wbc, get_block_t get_block);
+int __mpage_writepages(struct address_space *mapping,
+ struct writeback_control *wbc, get_block_t get_block,
+ int (*write_folio)(struct folio *folio,
+ struct writeback_control *wbc));
+static inline int mpage_writepages(struct address_space *mapping,
+ struct writeback_control *wbc, get_block_t get_block)
+{
+ return __mpage_writepages(mapping, wbc, get_block, NULL);
+}
#endif
diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h
index e9f4f845d760a..b98331572ad29 100644
--- a/include/linux/netfilter/ipset/ip_set.h
+++ b/include/linux/netfilter/ipset/ip_set.h
@@ -309,7 +309,7 @@ enum {
/* register and unregister set references */
extern ip_set_id_t ip_set_get_byname(struct net *net,
- const char *name, struct ip_set **set);
+ const struct nlattr *name, struct ip_set **set);
extern void ip_set_put_byindex(struct net *net, ip_set_id_t index);
extern void ip_set_name_byindex(struct net *net, ip_set_id_t index, char *name);
extern ip_set_id_t ip_set_nfnl_get_byindex(struct net *net, ip_set_id_t index);
diff --git a/include/linux/netfs.h b/include/linux/netfs.h
index 72ee7d210a744..ba17ac5bf356a 100644
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -140,7 +140,6 @@ struct netfs_io_stream {
void (*issue_write)(struct netfs_io_subrequest *subreq);
/* Collection tracking */
struct list_head subrequests; /* Contributory I/O operations */
- struct netfs_io_subrequest *front; /* Op being collected */
unsigned long long collected_to; /* Position we've collected results to */
size_t transferred; /* The amount transferred from this stream */
unsigned short error; /* Aggregate error for the stream */
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index ec442af3f8861..31a848485ad9d 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -210,7 +210,6 @@ enum mapping_flags {
AS_WRITEBACK_MAY_DEADLOCK_ON_RECLAIM = 9,
AS_KERNEL_FILE = 10, /* mapping for a fake kernel file that shouldn't
account usage to user cgroups */
- AS_NO_DATA_INTEGRITY = 11, /* no data integrity guarantees */
/* Bits 16-25 are used for FOLIO_ORDER */
AS_FOLIO_ORDER_BITS = 5,
AS_FOLIO_ORDER_MIN = 16,
@@ -346,16 +345,6 @@ static inline bool mapping_writeback_may_deadlock_on_reclaim(const struct addres
return test_bit(AS_WRITEBACK_MAY_DEADLOCK_ON_RECLAIM, &mapping->flags);
}
-static inline void mapping_set_no_data_integrity(struct address_space *mapping)
-{
- set_bit(AS_NO_DATA_INTEGRITY, &mapping->flags);
-}
-
-static inline bool mapping_no_data_integrity(const struct address_space *mapping)
-{
- return test_bit(AS_NO_DATA_INTEGRITY, &mapping->flags);
-}
-
static inline gfp_t mapping_gfp_mask(const struct address_space *mapping)
{
return mapping->gfp_mask;
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 9cc98f850f1d7..fbfa9852e82a6 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -5106,6 +5106,7 @@ static inline bool skb_has_extensions(struct sk_buff *skb)
return unlikely(skb->active_extensions);
}
#else
+static inline void __skb_ext_put(struct skb_ext *ext) {}
static inline void skb_ext_put(struct sk_buff *skb) {}
static inline void skb_ext_reset(struct sk_buff *skb) {}
static inline void skb_ext_del(struct sk_buff *skb, int unused) {}
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index af7cfee7b8f60..0dc671c07d3a8 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -159,10 +159,6 @@ extern void spi_transfer_cs_change_delay_exec(struct spi_message *msg,
* @modalias: Name of the driver to use with this device, or an alias
* for that name. This appears in the sysfs "modalias" attribute
* for driver coldplugging, and in uevents used for hotplugging
- * @driver_override: If the name of a driver is written to this attribute, then
- * the device will bind to the named driver and only the named driver.
- * Do not set directly, because core frees it; use driver_set_override() to
- * set or clear it.
* @pcpu_statistics: statistics for the spi_device
* @word_delay: delay to be inserted between consecutive
* words of a transfer
@@ -224,7 +220,6 @@ struct spi_device {
void *controller_state;
void *controller_data;
char modalias[SPI_NAME_SIZE];
- const char *driver_override;
/* The statistics */
struct spi_statistics __percpu *pcpu_statistics;