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authorChristoph Lameter <clameter@sgi.com>2008-03-03 11:18:08 -0800
committerChristoph Lameter <clameter@sgi.com>2008-03-03 11:18:08 -0800
commit27710bf6febe8323f78bceca002ca7d71e5012a7 (patch)
tree80a72f385ea28f9f7649363fe5147b3da37f9950 /fs/mpage.c
parent9ef64cb4320df821638b508f79aa8b858cca99f0 (diff)
parentcad226b8a71f969ad05137e43b48c9e6059a0b9f (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/mpage.c')
-rw-r--r--fs/mpage.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/fs/mpage.c b/fs/mpage.c
index 5df564366f3..235e4d3873a 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -325,16 +325,12 @@ confused:
}
/**
- * mpage_readpages - populate an address space with some pages, and
- * start reads against them.
- *
+ * mpage_readpages - 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.
- *
* 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.
*
@@ -360,6 +356,7 @@ confused:
* 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.
*
@@ -656,9 +653,7 @@ out:
}
/**
- * mpage_writepages - walk the list of dirty pages of the given
- * address space and writepage() all of them.
- *
+ * mpage_writepages - walk the list of dirty pages of the given address space & writepage() all of them
* @mapping: address space structure to write
* @wbc: subtract the number of written pages from *@wbc->nr_to_write
* @get_block: the filesystem's block mapper function.