Merge raven.il.steeleye.com:/home/jejb/BK/scsi-combined-2.5

into raven.il.steeleye.com:/home/jejb/BK/scsi-for-linus-2.5

6 files changed, 16 insertions, 41 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 6730edd230e0..90171e65e989 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -287,8 +287,8 @@ extern unsigned long blk_max_low_pfn, blk_max_pfn;
  * BLK_BOUNCE_ANY	: don't bounce anything
  * BLK_BOUNCE_ISA	: bounce pages above ISA DMA boundary
  */
-#define BLK_BOUNCE_HIGH		(blk_max_low_pfn << PAGE_SHIFT)
-#define BLK_BOUNCE_ANY		(blk_max_pfn << PAGE_SHIFT)
+#define BLK_BOUNCE_HIGH		((u64)blk_max_low_pfn << PAGE_SHIFT)
+#define BLK_BOUNCE_ANY		((u64)blk_max_pfn << PAGE_SHIFT)
 #define BLK_BOUNCE_ISA		(ISA_DMA_THRESHOLD)
 
 extern int init_emergency_isa_pool(void);
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 7fc917c13f32..aaefe4e964b7 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -10,6 +10,7 @@
 #include <linux/types.h>
 #include <linux/fs.h>
 #include <linux/linkage.h>
+#include <linux/wait.h>
 #include <asm/atomic.h>
 
 enum bh_state_bits {
@@ -154,7 +155,7 @@ void invalidate_bdev(struct block_device *, int);
 void __invalidate_buffers(kdev_t dev, int);
 int sync_blockdev(struct block_device *bdev);
 void __wait_on_buffer(struct buffer_head *);
-void sleep_on_buffer(struct buffer_head *bh);
+wait_queue_head_t *bh_waitq_head(struct buffer_head *bh);
 void wake_up_buffer(struct buffer_head *bh);
 int fsync_bdev(struct block_device *);
 int fsync_super(struct super_block *);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 595ea1af33fd..76b32526394f 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -371,9 +371,10 @@ struct inode {
 	struct timespec		i_ctime;
 	unsigned int		i_blkbits;
 	unsigned long		i_blksize;
-	unsigned long		i_blocks;
 	unsigned long		i_version;
+	unsigned long		i_blocks;
 	unsigned short          i_bytes;
+	spinlock_t		i_lock;	/* i_blocks, i_bytes, maybe i_size */
 	struct semaphore	i_sem;
 	struct inode_operations	*i_op;
 	struct file_operations	*i_fop;	/* former ->i_op->default_file_ops */
@@ -400,7 +401,7 @@ struct inode {
 	void			*i_security;
 	__u32			i_generation;
 	union {
-		void				*generic_ip;
+		void		*generic_ip;
 	} u;
 };
 
@@ -412,39 +413,6 @@ struct fown_struct {
 	void *security;
 };
 
-static inline void inode_add_bytes(struct inode *inode, loff_t bytes)
-{
-	inode->i_blocks += bytes >> 9;
-	bytes &= 511;
-	inode->i_bytes += bytes;
-	if (inode->i_bytes >= 512) {
-		inode->i_blocks++;
-		inode->i_bytes -= 512;
-	}
-}
-
-static inline void inode_sub_bytes(struct inode *inode, loff_t bytes)
-{
-	inode->i_blocks -= bytes >> 9;
-	bytes &= 511;
-	if (inode->i_bytes < bytes) {
-		inode->i_blocks--;
-		inode->i_bytes += 512;
-	}
-	inode->i_bytes -= bytes;
-}
-
-static inline loff_t inode_get_bytes(struct inode *inode)
-{
-	return (((loff_t)inode->i_blocks) << 9) + inode->i_bytes;
-}
-
-static inline void inode_set_bytes(struct inode *inode, loff_t bytes)
-{
-	inode->i_blocks = bytes >> 9;
-	inode->i_bytes = bytes & 511;
-}
-
 /*
  * Track a single file's readahead state
  */
@@ -1277,6 +1245,10 @@ extern int page_symlink(struct inode *inode, const char *symname, int len);
 extern struct inode_operations page_symlink_inode_operations;
 extern void generic_fillattr(struct inode *, struct kstat *);
 extern int vfs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
+void inode_add_bytes(struct inode *inode, loff_t bytes);
+void inode_sub_bytes(struct inode *inode, loff_t bytes);
+loff_t inode_get_bytes(struct inode *inode);
+void inode_set_bytes(struct inode *inode, loff_t bytes);
 
 extern int vfs_readdir(struct file *, filldir_t, void *);
 
diff --git a/include/linux/module.h b/include/linux/module.h
index 6dad1479105f..5b2fb9d19be3 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -344,7 +344,7 @@ static inline int module_text_address(unsigned long addr)
 }
 
 /* Get/put a kernel symbol (calls should be symmetric) */
-#define symbol_get(x) (&(x))
+#define symbol_get(x) ({ extern typeof(x) x __attribute__((weak)); &(x); })
 #define symbol_put(x) do { } while(0)
 #define symbol_put_addr(x) do { } while(0)
 
diff --git a/include/linux/quota.h b/include/linux/quota.h
index e5b1e2187156..e1c097e338d9 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -280,7 +280,8 @@ struct quota_format_type {
 struct quota_info {
 	unsigned int flags;			/* Flags for diskquotas on this device */
 	struct semaphore dqio_sem;		/* lock device while I/O in progress */
-	struct rw_semaphore dqoff_sem;		/* serialize quota_off() and quota_on() on device and ops using quota_info struct, pointers from inode to dquots */
+	struct semaphore dqonoff_sem;		/* Serialize quotaon & quotaoff */
+	struct rw_semaphore dqptr_sem;		/* serialize ops using quota_info struct, pointers from inode to dquots */
 	struct file *files[MAXQUOTAS];		/* fp's to quotafiles */
 	struct mem_dqinfo info[MAXQUOTAS];	/* Information for each quota type */
 	struct quota_format_ops *ops[MAXQUOTAS];	/* Operations for each type */
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index b115623159e9..780c78ac1c5b 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -305,7 +305,8 @@ enum
 	NET_IPV4_ICMP_RATELIMIT=89,
 	NET_IPV4_ICMP_RATEMASK=90,
 	NET_TCP_TW_REUSE=91,
-	NET_TCP_FRTO=92
+	NET_TCP_FRTO=92,
+	NET_TCP_LOW_LATENCY=93
 };
 
 enum {