Merge tag 'v3.19-rc7' into perf/core, to merge fixes before applying new changes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

5 files changed, 58 insertions, 7 deletions

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index e3a1721c8354..7c7695940ddd 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -228,7 +228,9 @@ struct i2c_client {
         struct device dev;              /* the device structure         */
         int irq;                        /* irq issued by device         */
         struct list_head detected;
+#if IS_ENABLED(CONFIG_I2C_SLAVE)
         i2c_slave_cb_t slave_cb;        /* callback for slave mode      */
+#endif
 };
 #define to_i2c_client(d) container_of(d, struct i2c_client, dev)
 
@@ -253,6 +255,7 @@ static inline void i2c_set_clientdata(struct i2c_client *dev, void *data)
 
 /* I2C slave support */
 
+#if IS_ENABLED(CONFIG_I2C_SLAVE)
 enum i2c_slave_event {
         I2C_SLAVE_REQ_READ_START,
         I2C_SLAVE_REQ_READ_END,
@@ -269,6 +272,7 @@ static inline int i2c_slave_event(struct i2c_client *client,
 {
         return client->slave_cb(client, event, val);
 }
+#endif
 
 /**
  * struct i2c_board_info - template for device creation
@@ -404,8 +408,10 @@ struct i2c_algorithm {
         /* To determine what the adapter supports */
         u32 (*functionality) (struct i2c_adapter *);
 
+#if IS_ENABLED(CONFIG_I2C_SLAVE)
         int (*reg_slave)(struct i2c_client *client);
         int (*unreg_slave)(struct i2c_client *client);
+#endif
 };
 
 /**
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 5449d2f4a1ef..64ce58bee6f5 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -176,7 +176,7 @@ extern int _cond_resched(void);
  */
 # define might_sleep() \
         do { __might_sleep(__FILE__, __LINE__, 0); might_resched(); } while (0)
-# define sched_annotate_sleep() __set_current_state(TASK_RUNNING)
+# define sched_annotate_sleep() (current->task_state_change = 0)
 #else
   static inline void ___might_sleep(const char *file, int line,
                                    int preempt_offset) { }
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 80fc92a49649..dd5ea3016fc4 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1070,6 +1070,7 @@ static inline int page_mapped(struct page *page)
 #define VM_FAULT_WRITE  0x0008  /* Special case for get_user_pages */
 #define VM_FAULT_HWPOISON 0x0010        /* Hit poisoned small page */
 #define VM_FAULT_HWPOISON_LARGE 0x0020  /* Hit poisoned large page. Index encoded in upper bits */
+#define VM_FAULT_SIGSEGV 0x0040
 
 #define VM_FAULT_NOPAGE 0x0100  /* ->fault installed the pte, not return page */
 #define VM_FAULT_LOCKED 0x0200  /* ->fault locked the returned page */
@@ -1078,8 +1079,9 @@ static inline int page_mapped(struct page *page)
 
 #define VM_FAULT_HWPOISON_LARGE_MASK 0xf000 /* encodes hpage index for large hwpoison */
 
-#define VM_FAULT_ERROR  (VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_HWPOISON | \
-                         VM_FAULT_FALLBACK | VM_FAULT_HWPOISON_LARGE)
+#define VM_FAULT_ERROR  (VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV | \
+                         VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE | \
+                         VM_FAULT_FALLBACK)
 
 /* Encode hstate index for a hwpoisoned large page */
 #define VM_FAULT_SET_HINDEX(x) ((x) << 12)
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 50978b781a19..097d7eb2441e 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -321,6 +321,49 @@ struct dquot_operations {
 
 struct path;
 
+/* Structure for communicating via ->get_dqblk() & ->set_dqblk() */
+struct qc_dqblk {
+        int d_fieldmask;        /* mask of fields to change in ->set_dqblk() */
+        u64 d_spc_hardlimit;    /* absolute limit on used space */
+        u64 d_spc_softlimit;    /* preferred limit on used space */
+        u64 d_ino_hardlimit;    /* maximum # allocated inodes */
+        u64 d_ino_softlimit;    /* preferred inode limit */
+        u64 d_space;            /* Space owned by the user */
+        u64 d_ino_count;        /* # inodes owned by the user */
+        s64 d_ino_timer;        /* zero if within inode limits */
+                                /* if not, we refuse service */
+        s64 d_spc_timer;        /* similar to above; for space */
+        int d_ino_warns;        /* # warnings issued wrt num inodes */
+        int d_spc_warns;        /* # warnings issued wrt used space */
+        u64 d_rt_spc_hardlimit; /* absolute limit on realtime space */
+        u64 d_rt_spc_softlimit; /* preferred limit on RT space */
+        u64 d_rt_space;         /* realtime space owned */
+        s64 d_rt_spc_timer;     /* similar to above; for RT space */
+        int d_rt_spc_warns;     /* # warnings issued wrt RT space */
+};
+
+/* Field specifiers for ->set_dqblk() in struct qc_dqblk */
+#define QC_INO_SOFT     (1<<0)
+#define QC_INO_HARD     (1<<1)
+#define QC_SPC_SOFT     (1<<2)
+#define QC_SPC_HARD     (1<<3)
+#define QC_RT_SPC_SOFT  (1<<4)
+#define QC_RT_SPC_HARD  (1<<5)
+#define QC_LIMIT_MASK (QC_INO_SOFT | QC_INO_HARD | QC_SPC_SOFT | QC_SPC_HARD | \
+                       QC_RT_SPC_SOFT | QC_RT_SPC_HARD)
+#define QC_SPC_TIMER    (1<<6)
+#define QC_INO_TIMER    (1<<7)
+#define QC_RT_SPC_TIMER (1<<8)
+#define QC_TIMER_MASK (QC_SPC_TIMER | QC_INO_TIMER | QC_RT_SPC_TIMER)
+#define QC_SPC_WARNS    (1<<9)
+#define QC_INO_WARNS    (1<<10)
+#define QC_RT_SPC_WARNS (1<<11)
+#define QC_WARNS_MASK (QC_SPC_WARNS | QC_INO_WARNS | QC_RT_SPC_WARNS)
+#define QC_SPACE        (1<<12)
+#define QC_INO_COUNT    (1<<13)
+#define QC_RT_SPACE     (1<<14)
+#define QC_ACCT_MASK (QC_SPACE | QC_INO_COUNT | QC_RT_SPACE)
+
 /* Operations handling requests from userspace */
 struct quotactl_ops {
         int (*quota_on)(struct super_block *, int, int, struct path *);
@@ -329,8 +372,8 @@ struct quotactl_ops {
         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 (*get_dqblk)(struct super_block *, struct kqid, struct fs_disk_quota *);
-        int (*set_dqblk)(struct super_block *, struct kqid, struct fs_disk_quota *);
+        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 (*set_xstate)(struct super_block *, unsigned int, int);
         int (*get_xstatev)(struct super_block *, struct fs_quota_statv *);
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index f23538a6e411..29e3455f7d41 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -98,9 +98,9 @@ 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_dqblk(struct super_block *sb, struct kqid id,
-                struct fs_disk_quota *di);
+                struct qc_dqblk *di);
 int dquot_set_dqblk(struct super_block *sb, struct kqid id,
-                struct fs_disk_quota *di);
+                struct qc_dqblk *di);
 
 int __dquot_transfer(struct inode *inode, struct dquot **transfer_to);
 int dquot_transfer(struct inode *inode, struct iattr *iattr);