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-rw-r--r--include/linux/ext3_fs.h33
-rw-r--r--include/linux/ext3_fs_i.h2
-rw-r--r--include/linux/jbd.h11
-rw-r--r--include/linux/jbd2.h11
-rw-r--r--include/linux/kvm.h10
-rw-r--r--include/linux/kvm_host.h71
-rw-r--r--include/linux/quota.h33
-rw-r--r--include/linux/quotaops.h304
-rw-r--r--include/linux/virtio_9p.h3
9 files changed, 178 insertions, 300 deletions
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index deac2566450..cac84b00666 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -202,14 +202,6 @@ static inline __u32 ext3_mask_flags(umode_t mode, __u32 flags)
return flags & EXT3_OTHER_FLMASK;
}
-/*
- * Inode dynamic state flags
- */
-#define EXT3_STATE_JDATA 0x00000001 /* journaled data exists */
-#define EXT3_STATE_NEW 0x00000002 /* inode is newly created */
-#define EXT3_STATE_XATTR 0x00000004 /* has in-inode xattrs */
-#define EXT3_STATE_FLUSH_ON_CLOSE 0x00000008
-
/* Used to pass group descriptor data when online resize is done */
struct ext3_new_group_input {
__u32 group; /* Group number for this data */
@@ -560,6 +552,31 @@ static inline int ext3_valid_inum(struct super_block *sb, unsigned long ino)
(ino >= EXT3_FIRST_INO(sb) &&
ino <= le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count));
}
+
+/*
+ * Inode dynamic state flags
+ */
+enum {
+ EXT3_STATE_JDATA, /* journaled data exists */
+ EXT3_STATE_NEW, /* inode is newly created */
+ EXT3_STATE_XATTR, /* has in-inode xattrs */
+ EXT3_STATE_FLUSH_ON_CLOSE, /* flush dirty pages on close */
+};
+
+static inline int ext3_test_inode_state(struct inode *inode, int bit)
+{
+ return test_bit(bit, &EXT3_I(inode)->i_state);
+}
+
+static inline void ext3_set_inode_state(struct inode *inode, int bit)
+{
+ set_bit(bit, &EXT3_I(inode)->i_state);
+}
+
+static inline void ext3_clear_inode_state(struct inode *inode, int bit)
+{
+ clear_bit(bit, &EXT3_I(inode)->i_state);
+}
#else
/* Assume that user mode programs are passing in an ext3fs superblock, not
* a kernel struct super_block. This will allow us to call the feature-test
diff --git a/include/linux/ext3_fs_i.h b/include/linux/ext3_fs_i.h
index 93e7428156b..7679acdb519 100644
--- a/include/linux/ext3_fs_i.h
+++ b/include/linux/ext3_fs_i.h
@@ -87,7 +87,7 @@ struct ext3_inode_info {
* near to their parent directory's inode.
*/
__u32 i_block_group;
- __u32 i_state; /* Dynamic state flags for ext3 */
+ unsigned long i_state; /* Dynamic state flags for ext3 */
/* block reservation info */
struct ext3_block_alloc_info *i_block_alloc_info;
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 331530cd3cc..f3aa59cb675 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -246,19 +246,8 @@ typedef struct journal_superblock_s
#define J_ASSERT(assert) BUG_ON(!(assert))
-#if defined(CONFIG_BUFFER_DEBUG)
-void buffer_assertion_failure(struct buffer_head *bh);
-#define J_ASSERT_BH(bh, expr) \
- do { \
- if (!(expr)) \
- buffer_assertion_failure(bh); \
- J_ASSERT(expr); \
- } while (0)
-#define J_ASSERT_JH(jh, expr) J_ASSERT_BH(jh2bh(jh), expr)
-#else
#define J_ASSERT_BH(bh, expr) J_ASSERT(expr)
#define J_ASSERT_JH(jh, expr) J_ASSERT(expr)
-#endif
#if defined(JBD_PARANOID_IOFAIL)
#define J_EXPECT(expr, why...) J_ASSERT(expr)
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 8ada2a129d0..1ec87635818 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -277,19 +277,8 @@ typedef struct journal_superblock_s
#define J_ASSERT(assert) BUG_ON(!(assert))
-#if defined(CONFIG_BUFFER_DEBUG)
-void buffer_assertion_failure(struct buffer_head *bh);
-#define J_ASSERT_BH(bh, expr) \
- do { \
- if (!(expr)) \
- buffer_assertion_failure(bh); \
- J_ASSERT(expr); \
- } while (0)
-#define J_ASSERT_JH(jh, expr) J_ASSERT_BH(jh2bh(jh), expr)
-#else
#define J_ASSERT_BH(bh, expr) J_ASSERT(expr)
#define J_ASSERT_JH(jh, expr) J_ASSERT(expr)
-#endif
#if defined(JBD2_PARANOID_IOFAIL)
#define J_EXPECT(expr, why...) J_ASSERT(expr)
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index a24de0b1858..60df9c84eca 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -103,7 +103,7 @@ struct kvm_userspace_memory_region {
/* for kvm_memory_region::flags */
#define KVM_MEM_LOG_DIRTY_PAGES 1UL
-
+#define KVM_MEMSLOT_INVALID (1UL << 1)
/* for KVM_IRQ_LINE */
struct kvm_irq_level {
@@ -497,6 +497,11 @@ struct kvm_ioeventfd {
#endif
#define KVM_CAP_S390_PSW 42
#define KVM_CAP_PPC_SEGSTATE 43
+#define KVM_CAP_HYPERV 44
+#define KVM_CAP_HYPERV_VAPIC 45
+#define KVM_CAP_HYPERV_SPIN 46
+#define KVM_CAP_PCI_SEGMENT 47
+#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
#ifdef KVM_CAP_IRQ_ROUTING
@@ -691,8 +696,9 @@ struct kvm_assigned_pci_dev {
__u32 busnr;
__u32 devfn;
__u32 flags;
+ __u32 segnr;
union {
- __u32 reserved[12];
+ __u32 reserved[11];
};
};
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index bd5a616d937..a3fd0f91d94 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -38,6 +38,7 @@
#define KVM_REQ_MMU_SYNC 7
#define KVM_REQ_KVMCLOCK_UPDATE 8
#define KVM_REQ_KICK 9
+#define KVM_REQ_DEACTIVATE_FPU 10
#define KVM_USERSPACE_IRQ_SOURCE_ID 0
@@ -57,20 +58,20 @@ struct kvm_io_bus {
struct kvm_io_device *devs[NR_IOBUS_DEVS];
};
-void kvm_io_bus_init(struct kvm_io_bus *bus);
-void kvm_io_bus_destroy(struct kvm_io_bus *bus);
-int kvm_io_bus_write(struct kvm_io_bus *bus, gpa_t addr, int len,
- const void *val);
-int kvm_io_bus_read(struct kvm_io_bus *bus, gpa_t addr, int len,
+enum kvm_bus {
+ KVM_MMIO_BUS,
+ KVM_PIO_BUS,
+ KVM_NR_BUSES
+};
+
+int kvm_io_bus_write(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
+ int len, const void *val);
+int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len,
void *val);
-int __kvm_io_bus_register_dev(struct kvm_io_bus *bus,
- struct kvm_io_device *dev);
-int kvm_io_bus_register_dev(struct kvm *kvm, struct kvm_io_bus *bus,
+int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx,
struct kvm_io_device *dev);
-void __kvm_io_bus_unregister_dev(struct kvm_io_bus *bus,
- struct kvm_io_device *dev);
-void kvm_io_bus_unregister_dev(struct kvm *kvm, struct kvm_io_bus *bus,
- struct kvm_io_device *dev);
+int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx,
+ struct kvm_io_device *dev);
struct kvm_vcpu {
struct kvm *kvm;
@@ -83,6 +84,8 @@ struct kvm_vcpu {
struct kvm_run *run;
unsigned long requests;
unsigned long guest_debug;
+ int srcu_idx;
+
int fpu_active;
int guest_fpu_loaded;
wait_queue_head_t wq;
@@ -150,14 +153,19 @@ struct kvm_irq_routing_table {};
#endif
-struct kvm {
- spinlock_t mmu_lock;
- spinlock_t requests_lock;
- struct rw_semaphore slots_lock;
- struct mm_struct *mm; /* userspace tied to this vm */
+struct kvm_memslots {
int nmemslots;
struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS +
KVM_PRIVATE_MEM_SLOTS];
+};
+
+struct kvm {
+ spinlock_t mmu_lock;
+ raw_spinlock_t requests_lock;
+ struct mutex slots_lock;
+ struct mm_struct *mm; /* userspace tied to this vm */
+ struct kvm_memslots *memslots;
+ struct srcu_struct srcu;
#ifdef CONFIG_KVM_APIC_ARCHITECTURE
u32 bsp_vcpu_id;
struct kvm_vcpu *bsp_vcpu;
@@ -166,8 +174,7 @@ struct kvm {
atomic_t online_vcpus;
struct list_head vm_list;
struct mutex lock;
- struct kvm_io_bus mmio_bus;
- struct kvm_io_bus pio_bus;
+ struct kvm_io_bus *buses[KVM_NR_BUSES];
#ifdef CONFIG_HAVE_KVM_EVENTFD
struct {
spinlock_t lock;
@@ -249,13 +256,20 @@ int kvm_set_memory_region(struct kvm *kvm,
int __kvm_set_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
int user_alloc);
-int kvm_arch_set_memory_region(struct kvm *kvm,
+int kvm_arch_prepare_memory_region(struct kvm *kvm,
+ struct kvm_memory_slot *memslot,
+ struct kvm_memory_slot old,
+ struct kvm_userspace_memory_region *mem,
+ int user_alloc);
+void kvm_arch_commit_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
struct kvm_memory_slot old,
int user_alloc);
void kvm_disable_largepages(void);
void kvm_arch_flush_shadow(struct kvm *kvm);
gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn);
+gfn_t unalias_gfn_instantiation(struct kvm *kvm, gfn_t gfn);
+
struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn);
unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn);
void kvm_release_page_clean(struct page *page);
@@ -264,6 +278,9 @@ void kvm_set_page_dirty(struct page *page);
void kvm_set_page_accessed(struct page *page);
pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
+pfn_t gfn_to_pfn_memslot(struct kvm *kvm,
+ struct kvm_memory_slot *slot, gfn_t gfn);
+int memslot_id(struct kvm *kvm, gfn_t gfn);
void kvm_release_pfn_dirty(pfn_t);
void kvm_release_pfn_clean(pfn_t pfn);
void kvm_set_pfn_dirty(pfn_t pfn);
@@ -283,6 +300,7 @@ int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len);
int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len);
struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);
int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
+unsigned long kvm_host_page_size(struct kvm *kvm, gfn_t gfn);
void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
void kvm_vcpu_block(struct kvm_vcpu *vcpu);
@@ -383,6 +401,7 @@ struct kvm_assigned_dev_kernel {
struct work_struct interrupt_work;
struct list_head list;
int assigned_dev_id;
+ int host_segnr;
int host_busnr;
int host_devfn;
unsigned int entries_nr;
@@ -429,8 +448,7 @@ void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
#define KVM_IOMMU_CACHE_COHERENCY 0x1
#ifdef CONFIG_IOMMU_API
-int kvm_iommu_map_pages(struct kvm *kvm, gfn_t base_gfn,
- unsigned long npages);
+int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot);
int kvm_iommu_map_guest(struct kvm *kvm);
int kvm_iommu_unmap_guest(struct kvm *kvm);
int kvm_assign_device(struct kvm *kvm,
@@ -480,11 +498,6 @@ static inline void kvm_guest_exit(void)
current->flags &= ~PF_VCPU;
}
-static inline int memslot_id(struct kvm *kvm, struct kvm_memory_slot *slot)
-{
- return slot - kvm->memslots;
-}
-
static inline gpa_t gfn_to_gpa(gfn_t gfn)
{
return (gpa_t)gfn << PAGE_SHIFT;
@@ -532,6 +545,10 @@ static inline int mmu_notifier_retry(struct kvm_vcpu *vcpu, unsigned long mmu_se
}
#endif
+#ifndef KVM_ARCH_HAS_UNALIAS_INSTANTIATION
+#define unalias_gfn_instantiation unalias_gfn
+#endif
+
#ifdef CONFIG_HAVE_KVM_IRQCHIP
#define KVM_MAX_IRQ_ROUTES 1024
diff --git a/include/linux/quota.h b/include/linux/quota.h
index a6861f11748..b462916b2a0 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -279,9 +279,6 @@ struct dquot {
struct mem_dqblk dq_dqb; /* Diskquota usage */
};
-#define QUOTA_OK 0
-#define NO_QUOTA 1
-
/* Operations which must be implemented by each quota format */
struct quota_format_ops {
int (*check_quota_file)(struct super_block *sb, int type); /* Detect whether file is in our format */
@@ -295,13 +292,6 @@ struct quota_format_ops {
/* Operations working with dquots */
struct dquot_operations {
- int (*initialize) (struct inode *, int);
- int (*drop) (struct inode *);
- int (*alloc_space) (struct inode *, qsize_t, int);
- int (*alloc_inode) (const struct inode *, qsize_t);
- int (*free_space) (struct inode *, qsize_t);
- int (*free_inode) (const struct inode *, qsize_t);
- int (*transfer) (struct inode *, struct iattr *);
int (*write_dquot) (struct dquot *); /* Ordinary dquot write */
struct dquot *(*alloc_dquot)(struct super_block *, int); /* Allocate memory for new dquot */
void (*destroy_dquot)(struct dquot *); /* Free memory for dquot */
@@ -309,12 +299,6 @@ struct dquot_operations {
int (*release_dquot) (struct dquot *); /* Quota is going to be deleted from disk */
int (*mark_dirty) (struct dquot *); /* Dquot is marked dirty */
int (*write_info) (struct super_block *, int); /* Write of quota "superblock" */
- /* reserve quota for delayed block allocation */
- int (*reserve_space) (struct inode *, qsize_t, int);
- /* claim reserved quota for delayed alloc */
- int (*claim_space) (struct inode *, qsize_t);
- /* release rsved quota for delayed alloc */
- void (*release_rsv) (struct inode *, qsize_t);
/* get reserved quota for delayed alloc, value returned is managed by
* quota code only */
qsize_t *(*get_reserved_space) (struct inode *);
@@ -324,7 +308,7 @@ struct dquot_operations {
struct quotactl_ops {
int (*quota_on)(struct super_block *, int, int, char *, int);
int (*quota_off)(struct super_block *, int, int);
- int (*quota_sync)(struct super_block *, int);
+ int (*quota_sync)(struct super_block *, int, int);
int (*get_info)(struct super_block *, int, struct if_dqinfo *);
int (*set_info)(struct super_block *, int, struct if_dqinfo *);
int (*get_dqblk)(struct super_block *, int, qid_t, struct if_dqblk *);
@@ -357,26 +341,25 @@ enum {
#define DQUOT_STATE_FLAGS (DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED | \
DQUOT_SUSPENDED)
/* Other quota flags */
-#define DQUOT_QUOTA_SYS_FILE (1 << 6) /* Quota file is a special
+#define DQUOT_STATE_LAST (_DQUOT_STATE_FLAGS * MAXQUOTAS)
+#define DQUOT_QUOTA_SYS_FILE (1 << DQUOT_STATE_LAST)
+ /* Quota file is a special
* system file and user cannot
* touch it. Filesystem is
* responsible for setting
* S_NOQUOTA, S_NOATIME flags
*/
-#define DQUOT_NEGATIVE_USAGE (1 << 7) /* Allow negative quota usage */
+#define DQUOT_NEGATIVE_USAGE (1 << (DQUOT_STATE_LAST + 1))
+ /* Allow negative quota usage */
static inline unsigned int dquot_state_flag(unsigned int flags, int type)
{
- if (type == USRQUOTA)
- return flags;
- return flags << _DQUOT_STATE_FLAGS;
+ return flags << _DQUOT_STATE_FLAGS * type;
}
static inline unsigned int dquot_generic_flag(unsigned int flags, int type)
{
- if (type == USRQUOTA)
- return flags;
- return flags >> _DQUOT_STATE_FLAGS;
+ return (flags >> _DQUOT_STATE_FLAGS * type) & DQUOT_STATE_FLAGS;
}
#ifdef CONFIG_QUOTA_NETLINK_INTERFACE
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 3ebb2315364..e6fa7acce29 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -19,15 +19,12 @@ static inline struct quota_info *sb_dqopt(struct super_block *sb)
/*
* declaration of quota_function calls in kernel.
*/
-void sync_quota_sb(struct super_block *sb, int type);
-static inline void writeout_quota_sb(struct super_block *sb, int type)
-{
- if (sb->s_qcop->quota_sync)
- sb->s_qcop->quota_sync(sb, type);
-}
+void inode_add_rsv_space(struct inode *inode, qsize_t number);
+void inode_claim_rsv_space(struct inode *inode, qsize_t number);
+void inode_sub_rsv_space(struct inode *inode, qsize_t number);
-int dquot_initialize(struct inode *inode, int type);
-int dquot_drop(struct inode *inode);
+void dquot_initialize(struct inode *inode);
+void dquot_drop(struct inode *inode);
struct dquot *dqget(struct super_block *sb, unsigned int id, int type);
void dqput(struct dquot *dquot);
int dquot_scan_active(struct super_block *sb,
@@ -36,24 +33,23 @@ int dquot_scan_active(struct super_block *sb,
struct dquot *dquot_alloc(struct super_block *sb, int type);
void dquot_destroy(struct dquot *dquot);
-int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc);
-int dquot_alloc_inode(const struct inode *inode, qsize_t number);
+int __dquot_alloc_space(struct inode *inode, qsize_t number,
+ int warn, int reserve);
+void __dquot_free_space(struct inode *inode, qsize_t number, int reserve);
-int dquot_reserve_space(struct inode *inode, qsize_t number, int prealloc);
-int dquot_claim_space(struct inode *inode, qsize_t number);
-void dquot_release_reserved_space(struct inode *inode, qsize_t number);
-qsize_t dquot_get_reserved_space(struct inode *inode);
+int dquot_alloc_inode(const struct inode *inode);
-int dquot_free_space(struct inode *inode, qsize_t number);
-int dquot_free_inode(const struct inode *inode, qsize_t number);
+int dquot_claim_space_nodirty(struct inode *inode, qsize_t number);
+void dquot_free_inode(const struct inode *inode);
-int dquot_transfer(struct inode *inode, struct iattr *iattr);
int dquot_commit(struct dquot *dquot);
int dquot_acquire(struct dquot *dquot);
int dquot_release(struct dquot *dquot);
int dquot_commit_info(struct super_block *sb, int type);
int dquot_mark_dquot_dirty(struct dquot *dquot);
+int dquot_file_open(struct inode *inode, struct file *file);
+
int vfs_quota_on(struct super_block *sb, int type, int format_id,
char *path, int remount);
int vfs_quota_enable(struct inode *inode, int type, int format_id,
@@ -64,14 +60,13 @@ int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
int format_id, int type);
int vfs_quota_off(struct super_block *sb, int type, int remount);
int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags);
-int vfs_quota_sync(struct super_block *sb, int type);
+int vfs_quota_sync(struct super_block *sb, int type, int wait);
int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
-void vfs_dq_drop(struct inode *inode);
-int vfs_dq_transfer(struct inode *inode, struct iattr *iattr);
+int dquot_transfer(struct inode *inode, struct iattr *iattr);
int vfs_dq_quota_on_remount(struct super_block *sb);
static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type)
@@ -83,53 +78,56 @@ static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type)
* Functions for checking status of quota
*/
-static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type)
+static inline bool sb_has_quota_usage_enabled(struct super_block *sb, int type)
{
return sb_dqopt(sb)->flags &
dquot_state_flag(DQUOT_USAGE_ENABLED, type);
}
-static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type)
+static inline bool sb_has_quota_limits_enabled(struct super_block *sb, int type)
{
return sb_dqopt(sb)->flags &
dquot_state_flag(DQUOT_LIMITS_ENABLED, type);
}
-static inline int sb_has_quota_suspended(struct super_block *sb, int type)
+static inline bool sb_has_quota_suspended(struct super_block *sb, int type)
{
return sb_dqopt(sb)->flags &
dquot_state_flag(DQUOT_SUSPENDED, type);
}
-static inline int sb_any_quota_suspended(struct super_block *sb)
+static inline unsigned sb_any_quota_suspended(struct super_block *sb)
{
- return sb_has_quota_suspended(sb, USRQUOTA) ||
- sb_has_quota_suspended(sb, GRPQUOTA);
+ unsigned type, tmsk = 0;
+ for (type = 0; type < MAXQUOTAS; type++)
+ tmsk |= sb_has_quota_suspended(sb, type) << type;
+ return tmsk;
}
/* Does kernel know about any quota information for given sb + type? */
-static inline int sb_has_quota_loaded(struct super_block *sb, int type)
+static inline bool sb_has_quota_loaded(struct super_block *sb, int type)
{
/* Currently if anything is on, then quota usage is on as well */
return sb_has_quota_usage_enabled(sb, type);
}
-static inline int sb_any_quota_loaded(struct super_block *sb)
+static inline unsigned sb_any_quota_loaded(struct super_block *sb)
{
- return sb_has_quota_loaded(sb, USRQUOTA) ||
- sb_has_quota_loaded(sb, GRPQUOTA);
+ unsigned type, tmsk = 0;
+ for (type = 0; type < MAXQUOTAS; type++)
+ tmsk |= sb_has_quota_loaded(sb, type) << type;
+ return tmsk;
}
-static inline int sb_has_quota_active(struct super_block *sb, int type)
+static inline bool sb_has_quota_active(struct super_block *sb, int type)
{
return sb_has_quota_loaded(sb, type) &&
!sb_has_quota_suspended(sb, type);
}
-static inline int sb_any_quota_active(struct super_block *sb)
+static inline unsigned sb_any_quota_active(struct super_block *sb)
{
- return sb_has_quota_active(sb, USRQUOTA) ||
- sb_has_quota_active(sb, GRPQUOTA);
+ return sb_any_quota_loaded(sb) & ~sb_any_quota_suspended(sb);
}
/*
@@ -141,122 +139,6 @@ extern const struct quotactl_ops vfs_quotactl_ops;
#define sb_dquot_ops (&dquot_operations)
#define sb_quotactl_ops (&vfs_quotactl_ops)
-/* It is better to call this function outside of any transaction as it might
- * need a lot of space in journal for dquot structure allocation. */
-static inline void vfs_dq_init(struct inode *inode)
-{
- BUG_ON(!inode->i_sb);
- if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode))
- inode->i_sb->dq_op->initialize(inode, -1);
-}
-
-/* The following allocation/freeing/transfer functions *must* be called inside
- * a transaction (deadlocks possible otherwise) */
-static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
-{
- if (sb_any_quota_active(inode->i_sb)) {
- /* Used space is updated in alloc_space() */
- if (inode->i_sb->dq_op->alloc_space(inode, nr, 1) == NO_QUOTA)
- return 1;
- }
- else
- inode_add_bytes(inode, nr);
- return 0;
-}
-
-static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
-{
- int ret;
- if (!(ret = vfs_dq_prealloc_space_nodirty(inode, nr)))
- mark_inode_dirty(inode);
- return ret;
-}
-
-static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
-{
- if (sb_any_quota_active(inode->i_sb)) {
- /* Used space is updated in alloc_space() */
- if (inode->i_sb->dq_op->alloc_space(inode, nr, 0) == NO_QUOTA)
- return 1;
- }
- else
- inode_add_bytes(inode, nr);
- return 0;
-}
-
-static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
-{
- int ret;
- if (!(ret = vfs_dq_alloc_space_nodirty(inode, nr)))
- mark_inode_dirty(inode);
- return ret;
-}
-
-static inline int vfs_dq_reserve_space(struct inode *inode, qsize_t nr)
-{
- if (sb_any_quota_active(inode->i_sb)) {
- /* Used space is updated in alloc_space() */
- if (inode->i_sb->dq_op->reserve_space(inode, nr, 0) == NO_QUOTA)
- return 1;
- }
- return 0;
-}
-
-static inline int vfs_dq_alloc_inode(struct inode *inode)
-{
- if (sb_any_quota_active(inode->i_sb)) {
- vfs_dq_init(inode);
- if (inode->i_sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA)
- return 1;
- }
- return 0;
-}
-
-/*
- * Convert in-memory reserved quotas to real consumed quotas
- */
-static inline int vfs_dq_claim_space(struct inode *inode, qsize_t nr)
-{
- if (sb_any_quota_active(inode->i_sb)) {
- if (inode->i_sb->dq_op->claim_space(inode, nr) == NO_QUOTA)
- return 1;
- } else
- inode_add_bytes(inode, nr);
-
- mark_inode_dirty(inode);
- return 0;
-}
-
-/*
- * Release reserved (in-memory) quotas
- */
-static inline
-void vfs_dq_release_reservation_space(struct inode *inode, qsize_t nr)
-{
- if (sb_any_quota_active(inode->i_sb))
- inode->i_sb->dq_op->release_rsv(inode, nr);
-}
-
-static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
-{
- if (sb_any_quota_active(inode->i_sb))
- inode->i_sb->dq_op->free_space(inode, nr);
- else
- inode_sub_bytes(inode, nr);
-}
-
-static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
-{
- vfs_dq_free_space_nodirty(inode, nr);
- mark_inode_dirty(inode);
-}
-
-static inline void vfs_dq_free_inode(struct inode *inode)
-{
- if (sb_any_quota_active(inode->i_sb))
- inode->i_sb->dq_op->free_inode(inode, 1);
-}
-
/* Cannot be called inside a transaction */
static inline int vfs_dq_off(struct super_block *sb, int remount)
{
@@ -316,28 +198,20 @@ static inline int sb_any_quota_active(struct super_block *sb)
#define sb_dquot_ops (NULL)
#define sb_quotactl_ops (NULL)
-static inline void vfs_dq_init(struct inode *inode)
+static inline void dquot_initialize(struct inode *inode)
{
}
-static inline void vfs_dq_drop(struct inode *inode)
+static inline void dquot_drop(struct inode *inode)
{
}
-static inline int vfs_dq_alloc_inode(struct inode *inode)
+static inline int dquot_alloc_inode(const struct inode *inode)
{
return 0;
}
-static inline void vfs_dq_free_inode(struct inode *inode)
-{
-}
-
-static inline void sync_quota_sb(struct super_block *sb, int type)
-{
-}
-
-static inline void writeout_quota_sb(struct super_block *sb, int type)
+static inline void dquot_free_inode(const struct inode *inode)
{
}
@@ -351,110 +225,116 @@ static inline int vfs_dq_quota_on_remount(struct super_block *sb)
return 0;
}
-static inline int vfs_dq_transfer(struct inode *inode, struct iattr *iattr)
+static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
{
return 0;
}
-static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
+static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
+ int warn, int reserve)
{
- inode_add_bytes(inode, nr);
+ if (!reserve)
+ inode_add_bytes(inode, number);
return 0;
}
-static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
+static inline void __dquot_free_space(struct inode *inode, qsize_t number,
+ int reserve)
{
- vfs_dq_prealloc_space_nodirty(inode, nr);
- mark_inode_dirty(inode);
- return 0;
+ if (!reserve)
+ inode_sub_bytes(inode, number);
}
-static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
+static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
{
- inode_add_bytes(inode, nr);
+ inode_add_bytes(inode, number);
return 0;
}
-static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
+#define dquot_file_open generic_file_open
+
+#endif /* CONFIG_QUOTA */
+
+static inline int dquot_alloc_space_nodirty(struct inode *inode, qsize_t nr)
{
- vfs_dq_alloc_space_nodirty(inode, nr);
- mark_inode_dirty(inode);
- return 0;
+ return __dquot_alloc_space(inode, nr, 1, 0);
}
-static inline int vfs_dq_reserve_space(struct inode *inode, qsize_t nr)
+static inline int dquot_alloc_space(struct inode *inode, qsize_t nr)
{
- return 0;
+ int ret;
+
+ ret = dquot_alloc_space_nodirty(inode, nr);
+ if (!ret)
+ mark_inode_dirty(inode);
+ return ret;
}
-static inline int vfs_dq_claim_space(struct inode *inode, qsize_t nr)
+static inline int dquot_alloc_block_nodirty(struct inode *inode, qsize_t nr)
{
- return vfs_dq_alloc_space(inode, nr);
+ return dquot_alloc_space_nodirty(inode, nr << inode->i_blkbits);
}
-static inline
-int vfs_dq_release_reservation_space(struct inode *inode, qsize_t nr)
+static inline int dquot_alloc_block(struct inode *inode, qsize_t nr)
{
- return 0;
+ return dquot_alloc_space(inode, nr << inode->i_blkbits);
}
-static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
+static inline int dquot_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
{
- inode_sub_bytes(inode, nr);
+ return __dquot_alloc_space(inode, nr << inode->i_blkbits, 0, 0);
}
-static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
+static inline int dquot_prealloc_block(struct inode *inode, qsize_t nr)
{
- vfs_dq_free_space_nodirty(inode, nr);
- mark_inode_dirty(inode);
-}
-
-#endif /* CONFIG_QUOTA */
+ int ret;
-static inline int vfs_dq_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
-{
- return vfs_dq_prealloc_space_nodirty(inode, nr << inode->i_blkbits);
+ ret = dquot_prealloc_block_nodirty(inode, nr);
+ if (!ret)
+ mark_inode_dirty(inode);
+ return ret;
}
-static inline int vfs_dq_prealloc_block(struct inode *inode, qsize_t nr)
+static inline int dquot_reserve_block(struct inode *inode, qsize_t nr)
{
- return vfs_dq_prealloc_space(inode, nr << inode->i_blkbits);
+ return __dquot_alloc_space(inode, nr << inode->i_blkbits, 1, 1);
}
-static inline int vfs_dq_alloc_block_nodirty(struct inode *inode, qsize_t nr)
+static inline int dquot_claim_block(struct inode *inode, qsize_t nr)
{
- return vfs_dq_alloc_space_nodirty(inode, nr << inode->i_blkbits);
-}
+ int ret;
-static inline int vfs_dq_alloc_block(struct inode *inode, qsize_t nr)
-{
- return vfs_dq_alloc_space(inode, nr << inode->i_blkbits);
+ ret = dquot_claim_space_nodirty(inode, nr << inode->i_blkbits);
+ if (!ret)
+ mark_inode_dirty(inode);
+ return ret;
}
-static inline int vfs_dq_reserve_block(struct inode *inode, qsize_t nr)
+static inline void dquot_free_space_nodirty(struct inode *inode, qsize_t nr)
{
- return vfs_dq_reserve_space(inode, nr << inode->i_blkbits);
+ __dquot_free_space(inode, nr, 0);
}
-static inline int vfs_dq_claim_block(struct inode *inode, qsize_t nr)
+static inline void dquot_free_space(struct inode *inode, qsize_t nr)
{
- return vfs_dq_claim_space(inode, nr << inode->i_blkbits);
+ dquot_free_space_nodirty(inode, nr);
+ mark_inode_dirty(inode);
}
-static inline
-void vfs_dq_release_reservation_block(struct inode *inode, qsize_t nr)
+static inline void dquot_free_block_nodirty(struct inode *inode, qsize_t nr)
{
- vfs_dq_release_reservation_space(inode, nr << inode->i_blkbits);
+ dquot_free_space_nodirty(inode, nr << inode->i_blkbits);
}
-static inline void vfs_dq_free_block_nodirty(struct inode *inode, qsize_t nr)
+static inline void dquot_free_block(struct inode *inode, qsize_t nr)
{
- vfs_dq_free_space_nodirty(inode, nr << inode->i_blkbits);
+ dquot_free_space(inode, nr << inode->i_blkbits);
}
-static inline void vfs_dq_free_block(struct inode *inode, qsize_t nr)
+static inline void dquot_release_reservation_block(struct inode *inode,
+ qsize_t nr)
{
- vfs_dq_free_space(inode, nr << inode->i_blkbits);
+ __dquot_free_space(inode, nr << inode->i_blkbits, 1);
}
#endif /* _LINUX_QUOTAOPS_ */
diff --git a/include/linux/virtio_9p.h b/include/linux/virtio_9p.h
index 095e10d148b..33227508008 100644
--- a/include/linux/virtio_9p.h
+++ b/include/linux/virtio_9p.h
@@ -5,7 +5,4 @@
#include <linux/virtio_ids.h>
#include <linux/virtio_config.h>
-/* Maximum number of virtio channels per partition (1 for now) */
-#define MAX_9P_CHAN 1
-
#endif /* _LINUX_VIRTIO_9P_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-07 22:50:33 +0000