[PATCH] fix lockdep-design.txt

[linux-2.6] / mm / readahead.c

diff --git a/mm/readahead.c b/mm/readahead.c
index 4ee52cadab9371f4d22522489b5d4cec1be2125b..1ba736ac03672bc2863662f32ccf972d3189673b 100644 (file)
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -38,6 +38,7 @@ file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping)
        ra->ra_pages = mapping->backing_dev_info->ra_pages;
        ra->prev_page = -1;
 }
+EXPORT_SYMBOL_GPL(file_ra_state_init);
 
 /*
  * Return max readahead size for this inode in number-of-pages.
@@ -118,8 +119,7 @@ static inline unsigned long get_next_ra_size(struct file_ra_state *ra)
 #define list_to_page(head) (list_entry((head)->prev, struct page, lru))
 
 /**
- * read_cache_pages - populate an address space with some pages, and
- *                     start reads against them.
+ * read_cache_pages - populate an address space with some pages & 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.
@@ -391,8 +391,8 @@ int do_page_cache_readahead(struct address_space *mapping, struct file *filp,
  * Read 'nr_to_read' pages starting at page 'offset'. If the flag 'block'
  * is set wait till the read completes.  Otherwise attempt to read without
  * blocking.
- * Returns 1 meaning 'success' if read is succesfull without switching off
- * readhaead mode. Otherwise return failure.
+ * Returns 1 meaning 'success' if read is successful without switching off
+ * readahead mode. Otherwise return failure.
  */
 static int
 blockable_page_cache_readahead(struct address_space *mapping, struct file *filp,