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-rw-r--r--include/asm-generic/dma-mapping-common.h5
-rw-r--r--include/linux/blk-mq.h7
-rw-r--r--include/linux/dcache.h59
-rw-r--r--include/linux/dma-mapping.h4
-rw-r--r--include/linux/fs.h41
-rw-r--r--include/linux/nbd.h46
-rw-r--r--include/linux/nfs_fs.h5
-rw-r--r--include/linux/nvme.h5
-rw-r--r--include/linux/pci.h15
-rw-r--r--include/linux/pstore.h1
-rw-r--r--include/linux/quota.h90
-rw-r--r--include/linux/quotaops.h14
-rw-r--r--include/linux/string_helpers.h2
-rw-r--r--include/linux/uio.h8
-rw-r--r--include/scsi/scsi_transport_fc.h1
-rw-r--r--include/uapi/linux/quota.h6
-rw-r--r--include/xen/interface/xen.h6
-rw-r--r--include/xen/xen-ops.h47
-rw-r--r--include/xen/xenbus.h20
19 files changed, 266 insertions, 116 deletions
diff --git a/include/asm-generic/dma-mapping-common.h b/include/asm-generic/dma-mapping-common.h
index 3378dcf4c31e..940d5ec122c9 100644
--- a/include/asm-generic/dma-mapping-common.h
+++ b/include/asm-generic/dma-mapping-common.h
@@ -39,6 +39,10 @@ static inline void dma_unmap_single_attrs(struct device *dev, dma_addr_t addr,
debug_dma_unmap_page(dev, addr, size, dir, true);
}
+/*
+ * dma_maps_sg_attrs returns 0 on error and > 0 on success.
+ * It should never return a value < 0.
+ */
static inline int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction dir,
struct dma_attrs *attrs)
@@ -51,6 +55,7 @@ static inline int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg,
kmemcheck_mark_initialized(sg_virt(s), s->length);
BUG_ON(!valid_dma_direction(dir));
ents = ops->map_sg(dev, sg, nents, dir, attrs);
+ BUG_ON(ents < 0);
debug_dma_map_sg(dev, sg, nents, ents, dir);
return ents;
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 7aec86127335..8210e8797c12 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -164,6 +164,8 @@ enum {
<< BLK_MQ_F_ALLOC_POLICY_START_BIT)
struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *);
+struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
+ struct request_queue *q);
void blk_mq_finish_init(struct request_queue *q);
int blk_mq_register_disk(struct gendisk *);
void blk_mq_unregister_disk(struct gendisk *);
@@ -218,6 +220,7 @@ void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx);
void blk_mq_stop_hw_queues(struct request_queue *q);
void blk_mq_start_hw_queues(struct request_queue *q);
void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async);
+void blk_mq_run_hw_queues(struct request_queue *q, bool async);
void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs);
void blk_mq_tag_busy_iter(struct blk_mq_hw_ctx *hctx, busy_iter_fn *fn,
void *priv);
@@ -227,7 +230,7 @@ void blk_mq_freeze_queue_start(struct request_queue *q);
/*
* Driver command data is immediately after the request. So subtract request
- * size to get back to the original request.
+ * size to get back to the original request, add request size to get the PDU.
*/
static inline struct request *blk_mq_rq_from_pdu(void *pdu)
{
@@ -235,7 +238,7 @@ static inline struct request *blk_mq_rq_from_pdu(void *pdu)
}
static inline void *blk_mq_rq_to_pdu(struct request *rq)
{
- return (void *) rq + sizeof(*rq);
+ return rq + 1;
}
#define queue_for_each_hw_ctx(q, hctx, i) \
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index d8358799c594..df334cbacc6d 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -404,26 +404,11 @@ static inline bool d_mountpoint(const struct dentry *dentry)
/*
* Directory cache entry type accessor functions.
*/
-static inline void __d_set_type(struct dentry *dentry, unsigned type)
-{
- dentry->d_flags = (dentry->d_flags & ~DCACHE_ENTRY_TYPE) | type;
-}
-
-static inline void __d_clear_type(struct dentry *dentry)
-{
- __d_set_type(dentry, DCACHE_MISS_TYPE);
-}
-
-static inline void d_set_type(struct dentry *dentry, unsigned type)
-{
- spin_lock(&dentry->d_lock);
- __d_set_type(dentry, type);
- spin_unlock(&dentry->d_lock);
-}
-
static inline unsigned __d_entry_type(const struct dentry *dentry)
{
- return dentry->d_flags & DCACHE_ENTRY_TYPE;
+ unsigned type = READ_ONCE(dentry->d_flags);
+ smp_rmb();
+ return type & DCACHE_ENTRY_TYPE;
}
static inline bool d_is_miss(const struct dentry *dentry)
@@ -482,6 +467,44 @@ static inline bool d_is_positive(const struct dentry *dentry)
return !d_is_negative(dentry);
}
+/**
+ * d_really_is_negative - Determine if a dentry is really negative (ignoring fallthroughs)
+ * @dentry: The dentry in question
+ *
+ * Returns true if the dentry represents either an absent name or a name that
+ * doesn't map to an inode (ie. ->d_inode is NULL). The dentry could represent
+ * a true miss, a whiteout that isn't represented by a 0,0 chardev or a
+ * fallthrough marker in an opaque directory.
+ *
+ * Note! (1) This should be used *only* by a filesystem to examine its own
+ * dentries. It should not be used to look at some other filesystem's
+ * dentries. (2) It should also be used in combination with d_inode() to get
+ * the inode. (3) The dentry may have something attached to ->d_lower and the
+ * type field of the flags may be set to something other than miss or whiteout.
+ */
+static inline bool d_really_is_negative(const struct dentry *dentry)
+{
+ return dentry->d_inode == NULL;
+}
+
+/**
+ * d_really_is_positive - Determine if a dentry is really positive (ignoring fallthroughs)
+ * @dentry: The dentry in question
+ *
+ * Returns true if the dentry represents a name that maps to an inode
+ * (ie. ->d_inode is not NULL). The dentry might still represent a whiteout if
+ * that is represented on medium as a 0,0 chardev.
+ *
+ * Note! (1) This should be used *only* by a filesystem to examine its own
+ * dentries. It should not be used to look at some other filesystem's
+ * dentries. (2) It should also be used in combination with d_inode() to get
+ * the inode.
+ */
+static inline bool d_really_is_positive(const struct dentry *dentry)
+{
+ return dentry->d_inode != NULL;
+}
+
extern void d_set_fallthru(struct dentry *dentry);
static inline bool d_is_fallthru(const struct dentry *dentry)
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index c3007cb4bfa6..ac07ff090919 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -34,6 +34,10 @@ struct dma_map_ops {
void (*unmap_page)(struct device *dev, dma_addr_t dma_handle,
size_t size, enum dma_data_direction dir,
struct dma_attrs *attrs);
+ /*
+ * map_sg returns 0 on error and a value > 0 on success.
+ * It should never return a value < 0.
+ */
int (*map_sg)(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction dir,
struct dma_attrs *attrs);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index c4e927358503..c7496f263860 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -315,6 +315,8 @@ struct address_space;
struct writeback_control;
#define IOCB_EVENTFD (1 << 0)
+#define IOCB_APPEND (1 << 1)
+#define IOCB_DIRECT (1 << 2)
struct kiocb {
struct file *ki_filp;
@@ -329,10 +331,13 @@ static inline bool is_sync_kiocb(struct kiocb *kiocb)
return kiocb->ki_complete == NULL;
}
+static inline int iocb_flags(struct file *file);
+
static inline void init_sync_kiocb(struct kiocb *kiocb, struct file *filp)
{
*kiocb = (struct kiocb) {
.ki_filp = filp,
+ .ki_flags = iocb_flags(filp),
};
}
@@ -383,7 +388,7 @@ struct address_space_operations {
void (*invalidatepage) (struct page *, unsigned int, unsigned int);
int (*releasepage) (struct page *, gfp_t);
void (*freepage)(struct page *);
- ssize_t (*direct_IO)(int, struct kiocb *, struct iov_iter *iter, loff_t offset);
+ ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *iter, loff_t offset);
/*
* migrate the contents of a page to the specified target. If
* migrate_mode is MIGRATE_ASYNC, it must not block.
@@ -2574,7 +2579,7 @@ extern int sb_min_blocksize(struct super_block *, int);
extern int generic_file_mmap(struct file *, struct vm_area_struct *);
extern int generic_file_readonly_mmap(struct file *, struct vm_area_struct *);
-int generic_write_checks(struct file *file, loff_t *pos, size_t *count, int isblk);
+extern ssize_t generic_write_checks(struct kiocb *, struct iov_iter *);
extern ssize_t generic_file_read_iter(struct kiocb *, struct iov_iter *);
extern ssize_t __generic_file_write_iter(struct kiocb *, struct iov_iter *);
extern ssize_t generic_file_write_iter(struct kiocb *, struct iov_iter *);
@@ -2617,8 +2622,8 @@ extern loff_t fixed_size_llseek(struct file *file, loff_t offset,
extern int generic_file_open(struct inode * inode, struct file * filp);
extern int nonseekable_open(struct inode * inode, struct file * filp);
-ssize_t dax_do_io(int rw, struct kiocb *, struct inode *, struct iov_iter *,
- loff_t, get_block_t, dio_iodone_t, int flags);
+ssize_t dax_do_io(struct kiocb *, struct inode *, struct iov_iter *, loff_t,
+ get_block_t, dio_iodone_t, int flags);
int dax_clear_blocks(struct inode *, sector_t block, long size);
int dax_zero_page_range(struct inode *, loff_t from, unsigned len, get_block_t);
int dax_truncate_page(struct inode *, loff_t from, get_block_t);
@@ -2643,16 +2648,18 @@ enum {
void dio_end_io(struct bio *bio, int error);
-ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
- struct block_device *bdev, struct iov_iter *iter, loff_t offset,
- get_block_t get_block, dio_iodone_t end_io,
- dio_submit_t submit_io, int flags);
+ssize_t __blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
+ struct block_device *bdev, struct iov_iter *iter,
+ loff_t offset, get_block_t get_block,
+ dio_iodone_t end_io, dio_submit_t submit_io,
+ int flags);
-static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb,
- struct inode *inode, struct iov_iter *iter, loff_t offset,
- get_block_t get_block)
+static inline ssize_t blockdev_direct_IO(struct kiocb *iocb,
+ struct inode *inode,
+ struct iov_iter *iter, loff_t offset,
+ get_block_t get_block)
{
- return __blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iter,
+ return __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev, iter,
offset, get_block, NULL, NULL,
DIO_LOCKING | DIO_SKIP_HOLES);
}
@@ -2785,6 +2792,16 @@ static inline bool io_is_direct(struct file *filp)
return (filp->f_flags & O_DIRECT) || IS_DAX(file_inode(filp));
}
+static inline int iocb_flags(struct file *file)
+{
+ int res = 0;
+ if (file->f_flags & O_APPEND)
+ res |= IOCB_APPEND;
+ if (io_is_direct(file))
+ res |= IOCB_DIRECT;
+ return res;
+}
+
static inline ino_t parent_ino(struct dentry *dentry)
{
ino_t res;
diff --git a/include/linux/nbd.h b/include/linux/nbd.h
deleted file mode 100644
index f62f78aef4ac..000000000000
--- a/include/linux/nbd.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * 1999 Copyright (C) Pavel Machek, pavel@ucw.cz. This code is GPL.
- * 1999/11/04 Copyright (C) 1999 VMware, Inc. (Regis "HPReg" Duchesne)
- * Made nbd_end_request() use the io_request_lock
- * 2001 Copyright (C) Steven Whitehouse
- * New nbd_end_request() for compatibility with new linux block
- * layer code.
- * 2003/06/24 Louis D. Langholtz <ldl@aros.net>
- * Removed unneeded blksize_bits field from nbd_device struct.
- * Cleanup PARANOIA usage & code.
- * 2004/02/19 Paul Clements
- * Removed PARANOIA, plus various cleanup and comments
- */
-#ifndef LINUX_NBD_H
-#define LINUX_NBD_H
-
-
-#include <linux/wait.h>
-#include <linux/mutex.h>
-#include <uapi/linux/nbd.h>
-
-struct request;
-
-struct nbd_device {
- int flags;
- int harderror; /* Code of hard error */
- struct socket * sock; /* If == NULL, device is not ready, yet */
- int magic;
-
- spinlock_t queue_lock;
- struct list_head queue_head; /* Requests waiting result */
- struct request *active_req;
- wait_queue_head_t active_wq;
- struct list_head waiting_queue; /* Requests to be sent */
- wait_queue_head_t waiting_wq;
-
- struct mutex tx_lock;
- struct gendisk *disk;
- int blksize;
- u64 bytesize;
- pid_t pid; /* pid of nbd-client, if attached */
- int xmit_timeout;
- int disconnect; /* a disconnect has been requested by user */
-};
-
-#endif
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index b01ccf371fdc..410abd172feb 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -447,13 +447,12 @@ static inline struct rpc_cred *nfs_file_cred(struct file *file)
/*
* linux/fs/nfs/direct.c
*/
-extern ssize_t nfs_direct_IO(int, struct kiocb *, struct iov_iter *, loff_t);
+extern ssize_t nfs_direct_IO(struct kiocb *, struct iov_iter *, loff_t);
extern ssize_t nfs_file_direct_read(struct kiocb *iocb,
struct iov_iter *iter,
loff_t pos);
extern ssize_t nfs_file_direct_write(struct kiocb *iocb,
- struct iov_iter *iter,
- loff_t pos);
+ struct iov_iter *iter);
/*
* linux/fs/nfs/dir.c
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 0adad4a5419b..8dbd05e70f09 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -117,8 +117,9 @@ struct nvme_ns {
unsigned ns_id;
int lba_shift;
- int ms;
- int pi_type;
+ u16 ms;
+ bool ext;
+ u8 pi_type;
u64 mode_select_num_blocks;
u32 mode_select_block_len;
};
diff --git a/include/linux/pci.h b/include/linux/pci.h
index e63112fb55be..353db8dc4c6e 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1178,6 +1178,7 @@ unsigned char pci_bus_max_busnr(struct pci_bus *bus);
void pci_setup_bridge(struct pci_bus *bus);
resource_size_t pcibios_window_alignment(struct pci_bus *bus,
unsigned long type);
+resource_size_t pcibios_iov_resource_alignment(struct pci_dev *dev, int resno);
#define PCI_VGA_STATE_CHANGE_BRIDGE (1 << 0)
#define PCI_VGA_STATE_CHANGE_DECODES (1 << 1)
@@ -1673,13 +1674,25 @@ int pci_ext_cfg_avail(void);
void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar);
#ifdef CONFIG_PCI_IOV
+int pci_iov_virtfn_bus(struct pci_dev *dev, int id);
+int pci_iov_virtfn_devfn(struct pci_dev *dev, int id);
+
int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn);
void pci_disable_sriov(struct pci_dev *dev);
int pci_num_vf(struct pci_dev *dev);
int pci_vfs_assigned(struct pci_dev *dev);
int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs);
int pci_sriov_get_totalvfs(struct pci_dev *dev);
+resource_size_t pci_iov_resource_size(struct pci_dev *dev, int resno);
#else
+static inline int pci_iov_virtfn_bus(struct pci_dev *dev, int id)
+{
+ return -ENOSYS;
+}
+static inline int pci_iov_virtfn_devfn(struct pci_dev *dev, int id)
+{
+ return -ENOSYS;
+}
static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
{ return -ENODEV; }
static inline void pci_disable_sriov(struct pci_dev *dev) { }
@@ -1690,6 +1703,8 @@ static inline int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs)
{ return 0; }
static inline int pci_sriov_get_totalvfs(struct pci_dev *dev)
{ return 0; }
+static inline resource_size_t pci_iov_resource_size(struct pci_dev *dev, int resno)
+{ return 0; }
#endif
#if defined(CONFIG_HOTPLUG_PCI) || defined(CONFIG_HOTPLUG_PCI_MODULE)
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index 8884f6e507f7..8e7a25b068b0 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -40,6 +40,7 @@ enum pstore_type_id {
PSTORE_TYPE_PPC_OF = 5,
PSTORE_TYPE_PPC_COMMON = 6,
PSTORE_TYPE_PMSG = 7,
+ PSTORE_TYPE_PPC_OPAL = 8,
PSTORE_TYPE_UNKNOWN = 255
};
diff --git a/include/linux/quota.h b/include/linux/quota.h
index d534e8ed308a..b2505acfd3c0 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -50,6 +50,7 @@
#undef USRQUOTA
#undef GRPQUOTA
+#undef PRJQUOTA
enum quota_type {
USRQUOTA = 0, /* element used for user quotas */
GRPQUOTA = 1, /* element used for group quotas */
@@ -319,6 +320,7 @@ struct dquot_operations {
/* get reserved quota for delayed alloc, value returned is managed by
* quota code only */
qsize_t *(*get_reserved_space) (struct inode *);
+ int (*get_projid) (struct inode *, kprojid_t *);/* Get project ID */
};
struct path;
@@ -344,7 +346,10 @@ struct qc_dqblk {
int d_rt_spc_warns; /* # warnings issued wrt RT space */
};
-/* Field specifiers for ->set_dqblk() in struct qc_dqblk */
+/*
+ * Field specifiers for ->set_dqblk() in struct qc_dqblk and also for
+ * ->set_info() in struct qc_info
+ */
#define QC_INO_SOFT (1<<0)
#define QC_INO_HARD (1<<1)
#define QC_SPC_SOFT (1<<2)
@@ -365,6 +370,51 @@ struct qc_dqblk {
#define QC_INO_COUNT (1<<13)
#define QC_RT_SPACE (1<<14)
#define QC_ACCT_MASK (QC_SPACE | QC_INO_COUNT | QC_RT_SPACE)
+#define QC_FLAGS (1<<15)
+
+#define QCI_SYSFILE (1 << 0) /* Quota file is hidden from userspace */
+#define QCI_ROOT_SQUASH (1 << 1) /* Root squash turned on */
+#define QCI_ACCT_ENABLED (1 << 2) /* Quota accounting enabled */
+#define QCI_LIMITS_ENFORCED (1 << 3) /* Quota limits enforced */
+
+/* Structures for communicating via ->get_state */
+struct qc_type_state {
+ unsigned int flags; /* Flags QCI_* */
+ unsigned int spc_timelimit; /* Time after which space softlimit is
+ * enforced */
+ unsigned int ino_timelimit; /* Ditto for inode softlimit */
+ unsigned int rt_spc_timelimit; /* Ditto for real-time space */
+ unsigned int spc_warnlimit; /* Limit for number of space warnings */
+ unsigned int ino_warnlimit; /* Ditto for inodes */
+ unsigned int rt_spc_warnlimit; /* Ditto for real-time space */
+ unsigned long long ino; /* Inode number of quota file */
+ blkcnt_t blocks; /* Number of 512-byte blocks in the file */
+ blkcnt_t nextents; /* Number of extents in the file */
+};
+
+struct qc_state {
+ unsigned int s_incoredqs; /* Number of dquots in core */
+ /*
+ * Per quota type information. The array should really have
+ * max(MAXQUOTAS, XQM_MAXQUOTAS) entries. BUILD_BUG_ON in
+ * quota_getinfo() makes sure XQM_MAXQUOTAS is large enough. Once VFS
+ * supports project quotas, this can be changed to MAXQUOTAS
+ */
+ struct qc_type_state s_state[XQM_MAXQUOTAS];
+};
+
+/* Structure for communicating via ->set_info */
+struct qc_info {
+ int i_fieldmask; /* mask of fields to change in ->set_info() */
+ unsigned int i_flags; /* Flags QCI_* */
+ unsigned int i_spc_timelimit; /* Time after which space softlimit is
+ * enforced */
+ unsigned int i_ino_timelimit; /* Ditto for inode softlimit */
+ unsigned int i_rt_spc_timelimit;/* Ditto for real-time space */
+ unsigned int i_spc_warnlimit; /* Limit for number of space warnings */
+ unsigned int i_ino_warnlimit; /* Limit for number of inode warnings */
+ unsigned int i_rt_spc_warnlimit; /* Ditto for real-time space */
+};
/* Operations handling requests from userspace */
struct quotactl_ops {
@@ -373,12 +423,10 @@ struct quotactl_ops {
int (*quota_enable)(struct super_block *, unsigned int);
int (*quota_disable)(struct super_block *, unsigned int);
int (*quota_sync)(struct super_block *, int);
- int (*get_info)(struct super_block *, int, struct if_dqinfo *);
- int (*set_info)(struct super_block *, int, struct if_dqinfo *);
+ int (*set_info)(struct super_block *, int, struct qc_info *);
int (*get_dqblk)(struct super_block *, struct kqid, struct qc_dqblk *);
int (*set_dqblk)(struct super_block *, struct kqid, struct qc_dqblk *);
- int (*get_xstate)(struct super_block *, struct fs_quota_stat *);
- int (*get_xstatev)(struct super_block *, struct fs_quota_statv *);
+ int (*get_state)(struct super_block *, struct qc_state *);
int (*rm_xquota)(struct super_block *, unsigned int);
};
@@ -389,7 +437,19 @@ struct quota_format_type {
struct quota_format_type *qf_next;
};
-/* Quota state flags - they actually come in two flavors - for users and groups */
+/**
+ * Quota state flags - they actually come in two flavors - for users and groups.
+ *
+ * Actual typed flags layout:
+ * USRQUOTA GRPQUOTA
+ * DQUOT_USAGE_ENABLED 0x0001 0x0002
+ * DQUOT_LIMITS_ENABLED 0x0004 0x0008
+ * DQUOT_SUSPENDED 0x0010 0x0020
+ *
+ * Following bits are used for non-typed flags:
+ * DQUOT_QUOTA_SYS_FILE 0x0040
+ * DQUOT_NEGATIVE_USAGE 0x0080
+ */
enum {
_DQUOT_USAGE_ENABLED = 0, /* Track disk usage for users */
_DQUOT_LIMITS_ENABLED, /* Enforce quota limits for users */
@@ -398,9 +458,9 @@ enum {
* memory to turn them on */
_DQUOT_STATE_FLAGS
};
-#define DQUOT_USAGE_ENABLED (1 << _DQUOT_USAGE_ENABLED)
-#define DQUOT_LIMITS_ENABLED (1 << _DQUOT_LIMITS_ENABLED)
-#define DQUOT_SUSPENDED (1 << _DQUOT_SUSPENDED)
+#define DQUOT_USAGE_ENABLED (1 << _DQUOT_USAGE_ENABLED * MAXQUOTAS)
+#define DQUOT_LIMITS_ENABLED (1 << _DQUOT_LIMITS_ENABLED * MAXQUOTAS)
+#define DQUOT_SUSPENDED (1 << _DQUOT_SUSPENDED * MAXQUOTAS)
#define DQUOT_STATE_FLAGS (DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED | \
DQUOT_SUSPENDED)
/* Other quota flags */
@@ -414,15 +474,21 @@ enum {
*/
#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)
{
- return flags << _DQUOT_STATE_FLAGS * type;
+ return flags << type;
}
static inline unsigned int dquot_generic_flag(unsigned int flags, int type)
{
- return (flags >> _DQUOT_STATE_FLAGS * type) & DQUOT_STATE_FLAGS;
+ return (flags >> type) & DQUOT_STATE_FLAGS;
+}
+
+/* Bitmap of quota types where flag is set in flags */
+static __always_inline unsigned dquot_state_types(unsigned flags, unsigned flag)
+{
+ BUILD_BUG_ON_NOT_POWER_OF_2(flag);
+ return (flags / flag) & ((1 << MAXQUOTAS) - 1);
}
#ifdef CONFIG_QUOTA_NETLINK_INTERFACE
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index df73258cca47..77ca6601ff25 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -95,8 +95,8 @@ int dquot_quota_on_mount(struct super_block *sb, char *qf_name,
int dquot_quota_off(struct super_block *sb, int type);
int dquot_writeback_dquots(struct super_block *sb, int type);
int dquot_quota_sync(struct super_block *sb, int type);
-int dquot_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
-int dquot_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
+int dquot_get_state(struct super_block *sb, struct qc_state *state);
+int dquot_set_dqinfo(struct super_block *sb, int type, struct qc_info *ii);
int dquot_get_dqblk(struct super_block *sb, struct kqid id,
struct qc_dqblk *di);
int dquot_set_dqblk(struct super_block *sb, struct kqid id,
@@ -134,10 +134,7 @@ static inline bool sb_has_quota_suspended(struct super_block *sb, int type)
static inline unsigned sb_any_quota_suspended(struct super_block *sb)
{
- unsigned type, tmsk = 0;
- for (type = 0; type < MAXQUOTAS; type++)
- tmsk |= sb_has_quota_suspended(sb, type) << type;
- return tmsk;
+ return dquot_state_types(sb_dqopt(sb)->flags, DQUOT_SUSPENDED);
}
/* Does kernel know about any quota information for given sb + type? */
@@ -149,10 +146,7 @@ static inline bool sb_has_quota_loaded(struct super_block *sb, int type)
static inline unsigned sb_any_quota_loaded(struct super_block *sb)
{
- unsigned type, tmsk = 0;
- for (type = 0; type < MAXQUOTAS; type++)
- tmsk |= sb_has_quota_loaded(sb, type) << type;
- return tmsk;
+ return dquot_state_types(sb_dqopt(sb)->flags, DQUOT_USAGE_ENABLED);
}
static inline bool sb_has_quota_active(struct super_block *sb, int type)
diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h
index 0991913f4953..71f711db4500 100644
--- a/include/linux/string_helpers.h
+++ b/include/linux/string_helpers.h
@@ -10,7 +10,7 @@ enum string_size_units {
STRING_UNITS_2, /* use binary powers of 2^10 */
};
-void string_get_size(u64 size, enum string_size_units units,
+void string_get_size(u64 size, u64 blk_size, enum string_size_units units,
char *buf, int len);
#define UNESCAPE_SPACE 0x01
diff --git a/include/linux/uio.h b/include/linux/uio.h
index 15f11fb9fff6..8b01e1c3c614 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -112,6 +112,14 @@ static inline bool iter_is_iovec(struct iov_iter *i)
}
/*
+ * Get one of READ or WRITE out of iter->type without any other flags OR'd in
+ * with it.
+ *
+ * The ?: is just for type safety.
+ */
+#define iov_iter_rw(i) ((0 ? (struct iov_iter *)0 : (i))->type & RW_MASK)
+
+/*
* Cap the iov_iter by given limit; note that the second argument is
* *not* the new size - it's upper limit for such. Passing it a value
* greater than the amount of data in iov_iter is fine - it'll just do
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 007a0bc01b74..784bc2c0929f 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -135,6 +135,7 @@ enum fc_vport_state {
#define FC_PORTSPEED_40GBIT 0x100
#define FC_PORTSPEED_50GBIT 0x200
#define FC_PORTSPEED_100GBIT 0x400
+#define FC_PORTSPEED_25GBIT 0x800
#define FC_PORTSPEED_NOT_NEGOTIATED (1 << 15) /* Speed not established */
/*
diff --git a/include/uapi/linux/quota.h b/include/uapi/linux/quota.h
index 1f49b8341c99..9c95b2c1c88a 100644
--- a/include/uapi/linux/quota.h
+++ b/include/uapi/linux/quota.h
@@ -36,11 +36,12 @@
#include <linux/errno.h>
#include <linux/types.h>
-#define __DQUOT_VERSION__ "dquot_6.5.2"
+#define __DQUOT_VERSION__ "dquot_6.6.0"
-#define MAXQUOTAS 2
+#define MAXQUOTAS 3
#define USRQUOTA 0 /* element used for user quotas */
#define GRPQUOTA 1 /* element used for group quotas */
+#define PRJQUOTA 2 /* element used for project quotas */
/*
* Definitions for the default names of the quotas files.
@@ -48,6 +49,7 @@
#define INITQFNAMES { \
"user", /* USRQUOTA */ \
"group", /* GRPQUOTA */ \
+ "project", /* PRJQUOTA */ \
"undefined", \
};
diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h
index f68719f405af..a48378958062 100644
--- a/include/xen/interface/xen.h
+++ b/include/xen/interface/xen.h
@@ -67,7 +67,7 @@
#define __HYPERVISOR_vcpu_op 24
#define __HYPERVISOR_set_segment_base 25 /* x86/64 only */
#define __HYPERVISOR_mmuext_op 26
-#define __HYPERVISOR_acm_op 27
+#define __HYPERVISOR_xsm_op 27
#define __HYPERVISOR_nmi_op 28
#define __HYPERVISOR_sched_op 29
#define __HYPERVISOR_callback_op 30
@@ -75,7 +75,11 @@
#define __HYPERVISOR_event_channel_op 32
#define __HYPERVISOR_physdev_op 33
#define __HYPERVISOR_hvm_op 34
+#define __HYPERVISOR_sysctl 35
+#define __HYPERVISOR_domctl 36
+#define __HYPERVISOR_kexec_op 37
#define __HYPERVISOR_tmem_op 38
+#define __HYPERVISOR_xc_reserved_op 39 /* reserved for XenClient */
/* Architecture-specific hypercall definitions. */
#define __HYPERVISOR_arch_0 48
diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h
index 83338210ee04..c643e6a94c9a 100644
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -27,13 +27,58 @@ int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order,
void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order);
struct vm_area_struct;
+
+/*
+ * xen_remap_domain_mfn_array() - map an array of foreign frames
+ * @vma: VMA to map the pages into
+ * @addr: Address at which to map the pages
+ * @gfn: Array of GFNs to map
+ * @nr: Number entries in the GFN array
+ * @err_ptr: Returns per-GFN error status.
+ * @prot: page protection mask
+ * @domid: Domain owning the pages
+ * @pages: Array of pages if this domain has an auto-translated physmap
+ *
+ * @gfn and @err_ptr may point to the same buffer, the GFNs will be
+ * overwritten by the error codes after they are mapped.
+ *
+ * Returns the number of successfully mapped frames, or a -ve error
+ * code.
+ */
+int xen_remap_domain_mfn_array(struct vm_area_struct *vma,
+ unsigned long addr,
+ xen_pfn_t *gfn, int nr,
+ int *err_ptr, pgprot_t prot,
+ unsigned domid,
+ struct page **pages);
+
+/* xen_remap_domain_mfn_range() - map a range of foreign frames
+ * @vma: VMA to map the pages into
+ * @addr: Address at which to map the pages
+ * @gfn: First GFN to map.
+ * @nr: Number frames to map
+ * @prot: page protection mask
+ * @domid: Domain owning the pages
+ * @pages: Array of pages if this domain has an auto-translated physmap
+ *
+ * Returns the number of successfully mapped frames, or a -ve error
+ * code.
+ */
int xen_remap_domain_mfn_range(struct vm_area_struct *vma,
unsigned long addr,
- xen_pfn_t mfn, int nr,
+ xen_pfn_t gfn, int nr,
pgprot_t prot, unsigned domid,
struct page **pages);
int xen_unmap_domain_mfn_range(struct vm_area_struct *vma,
int numpgs, struct page **pages);
+int xen_xlate_remap_gfn_array(struct vm_area_struct *vma,
+ unsigned long addr,
+ xen_pfn_t *gfn, int nr,
+ int *err_ptr, pgprot_t prot,
+ unsigned domid,
+ struct page **pages);
+int xen_xlate_unmap_gfn_range(struct vm_area_struct *vma,
+ int nr, struct page **pages);
bool xen_running_on_version_or_later(unsigned int major, unsigned int minor);
diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h
index b0f1c9e5d687..289c0b5f08fe 100644
--- a/include/xen/xenbus.h
+++ b/include/xen/xenbus.h
@@ -46,6 +46,10 @@
#include <xen/interface/io/xenbus.h>
#include <xen/interface/io/xs_wire.h>
+#define XENBUS_MAX_RING_PAGE_ORDER 4
+#define XENBUS_MAX_RING_PAGES (1U << XENBUS_MAX_RING_PAGE_ORDER)
+#define INVALID_GRANT_HANDLE (~0U)
+
/* Register callback to watch this node. */
struct xenbus_watch
{
@@ -199,15 +203,19 @@ int xenbus_watch_pathfmt(struct xenbus_device *dev, struct xenbus_watch *watch,
const char *pathfmt, ...);
int xenbus_switch_state(struct xenbus_device *dev, enum xenbus_state new_state);
-int xenbus_grant_ring(struct xenbus_device *dev, unsigned long ring_mfn);
-int xenbus_map_ring_valloc(struct xenbus_device *dev,
- int gnt_ref, void **vaddr);
-int xenbus_map_ring(struct xenbus_device *dev, int gnt_ref,
- grant_handle_t *handle, void *vaddr);
+int xenbus_grant_ring(struct xenbus_device *dev, void *vaddr,
+ unsigned int nr_pages, grant_ref_t *grefs);
+int xenbus_map_ring_valloc(struct xenbus_device *dev, grant_ref_t *gnt_refs,
+ unsigned int nr_grefs, void **vaddr);
+int xenbus_map_ring(struct xenbus_device *dev,
+ grant_ref_t *gnt_refs, unsigned int nr_grefs,
+ grant_handle_t *handles, unsigned long *vaddrs,
+ bool *leaked);
int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr);
int xenbus_unmap_ring(struct xenbus_device *dev,
- grant_handle_t handle, void *vaddr);
+ grant_handle_t *handles, unsigned int nr_handles,
+ unsigned long *vaddrs);
int xenbus_alloc_evtchn(struct xenbus_device *dev, int *port);
int xenbus_free_evtchn(struct xenbus_device *dev, int port);
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-04 17:22:41 +0300