[PATCH] DocBook: fix some descriptions

Some KernelDoc descriptions are updated to match the current code.
No code changes.

Signed-off-by: Martin Waitz <tali@admingilde.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

7 files changed, 67 insertions, 57 deletions

diff --git a/fs/bio.c b/fs/bio.c
index e5349e834563..3a1472acc361 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -140,6 +140,7 @@ inline void bio_init(struct bio *bio)
  * bio_alloc_bioset - allocate a bio for I/O
  * @gfp_mask:   the GFP_ mask given to the slab allocator
  * @nr_iovecs:  number of iovecs to pre-allocate
+ * @bs:         the bio_set to allocate from
  *
  * Description:
  *   bio_alloc_bioset will first try it's on mempool to satisfy the allocation.
@@ -629,6 +630,7 @@ out:
 
 /**
  *      bio_map_user    -       map user address into bio
+ *      @q: the request_queue_t for the bio
  *      @bdev: destination block device
  *      @uaddr: start of user address
  *      @len: length in bytes
diff --git a/fs/buffer.c b/fs/buffer.c
index 792cbacbbf41..5f525b3c6d9f 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -774,15 +774,14 @@ repeat:
 /**
  * sync_mapping_buffers - write out and wait upon a mapping's "associated"
  *                        buffers
- * @buffer_mapping - the mapping which backs the buffers' data
- * @mapping - the mapping which wants those buffers written
+ * @mapping: the mapping which wants those buffers written
  *
  * Starts I/O against the buffers at mapping->private_list, and waits upon
  * that I/O.
  *
- * Basically, this is a convenience function for fsync().  @buffer_mapping is
- * the blockdev which "owns" the buffers and @mapping is a file or directory
- * which needs those buffers to be written for a successful fsync().
+ * Basically, this is a convenience function for fsync().
+ * @mapping is a file or directory which needs those buffers to be written for
+ * a successful fsync().
  */
 int sync_mapping_buffers(struct address_space *mapping)
 {
@@ -1263,6 +1262,7 @@ __getblk_slow(struct block_device *bdev, sector_t block, int size)
 
 /**
  * mark_buffer_dirty - mark a buffer_head as needing writeout
+ * @bh: the buffer_head to mark dirty
  *
  * mark_buffer_dirty() will set the dirty bit against the buffer, then set its
  * backing page dirty, then tag the page as dirty in its address_space's radix
@@ -1501,6 +1501,7 @@ EXPORT_SYMBOL(__breadahead);
 
 /**
  *  __bread() - reads a specified block and returns the bh
+ *  @bdev: the block_device to read from
  *  @block: number of block
  *  @size: size (in bytes) to read
  * 
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index d6efb36cab2a..8e050fa58218 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -512,7 +512,8 @@ restart:
 }
 
 /**
- * sync_inodes
+ * sync_inodes - writes all inodes to disk
+ * @wait: wait for completion
  *
  * sync_inodes() goes through each super block's dirty inode list, writes the
  * inodes out, waits on the writeout and puts the inodes back on the normal
@@ -604,6 +605,7 @@ EXPORT_SYMBOL(sync_inode);
 /**
  * generic_osync_inode - flush all dirty data for a given inode to disk
  * @inode: inode to write
+ * @mapping: the address_space that should be flushed
  * @what:  what to write and wait upon
  *
  * This can be called by file_write functions for files which have the
diff --git a/fs/mpage.c b/fs/mpage.c
index 3923facf94eb..32c7c8fcfce7 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -160,52 +160,6 @@ map_buffer_to_page(struct page *page, struct buffer_head *bh, int page_block)
         } while (page_bh != head);
 }
 
-/**
- * mpage_readpages - populate an address space with some pages, and
- *                       start reads against them.
- *
- * @mapping: the address_space
- * @pages: The address of a list_head which contains the target pages.  These
- *   pages have their ->index populated and are otherwise uninitialised.
- *
- *   The page at @pages->prev has the lowest file offset, and reads should be
- *   issued in @pages->prev to @pages->next order.
- *
- * @nr_pages: The number of pages at *@pages
- * @get_block: The filesystem's block mapper function.
- *
- * This function walks the pages and the blocks within each page, building and
- * emitting large BIOs.
- *
- * If anything unusual happens, such as:
- *
- * - encountering a page which has buffers
- * - encountering a page which has a non-hole after a hole
- * - encountering a page with non-contiguous blocks
- *
- * then this code just gives up and calls the buffer_head-based read function.
- * It does handle a page which has holes at the end - that is a common case:
- * the end-of-file on blocksize < PAGE_CACHE_SIZE setups.
- *
- * BH_Boundary explanation:
- *
- * There is a problem.  The mpage read code assembles several pages, gets all
- * their disk mappings, and then submits them all.  That's fine, but obtaining
- * the disk mappings may require I/O.  Reads of indirect blocks, for example.
- *
- * So an mpage read of the first 16 blocks of an ext2 file will cause I/O to be
- * submitted in the following order:
- *      12 0 1 2 3 4 5 6 7 8 9 10 11 13 14 15 16
- * because the indirect block has to be read to get the mappings of blocks
- * 13,14,15,16.  Obviously, this impacts performance.
- * 
- * So what we do it to allow the filesystem's get_block() function to set
- * BH_Boundary when it maps block 11.  BH_Boundary says: mapping of the block
- * after this one will require I/O against a block which is probably close to
- * this one.  So you should push what I/O you have currently accumulated.
- *
- * This all causes the disk requests to be issued in the correct order.
- */
 static struct bio *
 do_mpage_readpage(struct bio *bio, struct page *page, unsigned nr_pages,
                         sector_t *last_block_in_bio, get_block_t get_block)
@@ -320,6 +274,52 @@ confused:
         goto out;
 }
 
+/**
+ * mpage_readpages - populate an address space with some pages, and
+ *                       start reads against them.
+ *
+ * @mapping: the address_space
+ * @pages: The address of a list_head which contains the target pages.  These
+ *   pages have their ->index populated and are otherwise uninitialised.
+ *
+ *   The page at @pages->prev has the lowest file offset, and reads should be
+ *   issued in @pages->prev to @pages->next order.
+ *
+ * @nr_pages: The number of pages at *@pages
+ * @get_block: The filesystem's block mapper function.
+ *
+ * This function walks the pages and the blocks within each page, building and
+ * emitting large BIOs.
+ *
+ * If anything unusual happens, such as:
+ *
+ * - encountering a page which has buffers
+ * - encountering a page which has a non-hole after a hole
+ * - encountering a page with non-contiguous blocks
+ *
+ * then this code just gives up and calls the buffer_head-based read function.
+ * It does handle a page which has holes at the end - that is a common case:
+ * the end-of-file on blocksize < PAGE_CACHE_SIZE setups.
+ *
+ * BH_Boundary explanation:
+ *
+ * There is a problem.  The mpage read code assembles several pages, gets all
+ * their disk mappings, and then submits them all.  That's fine, but obtaining
+ * the disk mappings may require I/O.  Reads of indirect blocks, for example.
+ *
+ * So an mpage read of the first 16 blocks of an ext2 file will cause I/O to be
+ * submitted in the following order:
+ *      12 0 1 2 3 4 5 6 7 8 9 10 11 13 14 15 16
+ * because the indirect block has to be read to get the mappings of blocks
+ * 13,14,15,16.  Obviously, this impacts performance.
+ *
+ * So what we do it to allow the filesystem's get_block() function to set
+ * BH_Boundary when it maps block 11.  BH_Boundary says: mapping of the block
+ * after this one will require I/O against a block which is probably close to
+ * this one.  So you should push what I/O you have currently accumulated.
+ *
+ * This all causes the disk requests to be issued in the correct order.
+ */
 int
 mpage_readpages(struct address_space *mapping, struct list_head *pages,
                                 unsigned nr_pages, get_block_t get_block)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 2b8cd045111c..07cafdf74ef2 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1742,7 +1742,7 @@ struct dentry *proc_pid_unhash(struct task_struct *p)
 
 /**
  * proc_pid_flush - recover memory used by stale /proc/@pid/x entries
- * @proc_entry: directoy to prune.
+ * @proc_dentry: directoy to prune.
  *
  * Shrink the /proc directory that was used by the just killed thread.
  */
diff --git a/fs/seq_file.c b/fs/seq_file.c
index 650c43ba86c4..38ef913767ff 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -51,7 +51,10 @@ EXPORT_SYMBOL(seq_open);
 
 /**
  *      seq_read -      ->read() method for sequential files.
- *      @file, @buf, @size, @ppos: see file_operations method
+ *      @file: the file to read from
+ *      @buf: the buffer to read to
+ *      @size: the maximum number of bytes to read
+ *      @ppos: the current position in the file
  *
  *      Ready-made ->f_op->read()
  */
@@ -219,7 +222,9 @@ Eoverflow:
 
 /**
  *      seq_lseek -     ->llseek() method for sequential files.
- *      @file, @offset, @origin: see file_operations method
+ *      @file: the file in question
+ *      @offset: new position
+ *      @origin: 0 for absolute, 1 for relative position
  *
  *      Ready-made ->f_op->llseek()
  */
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index da25aeb0e062..364208071e17 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -96,7 +96,7 @@ static int fill_read_buffer(struct dentry * dentry, struct sysfs_buffer * buffer
 /**
  *      flush_read_buffer - push buffer to userspace.
  *      @buffer:        data buffer for file.
- *      @userbuf:       user-passed buffer.
+ *      @buf:           user-passed buffer.
  *      @count:         number of bytes requested.
  *      @ppos:          file position.
  *
@@ -164,7 +164,7 @@ out:
 /**
  *      fill_write_buffer - copy buffer from userspace.
  *      @buffer:        data buffer for file.
- *      @userbuf:       data from user.
+ *      @buf:           data from user.
  *      @count:         number of bytes in @userbuf.
  *
  *      Allocate @buffer->page if it hasn't been already, then