GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-23 15:27:29 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

ext4: readpages() should submit IO as read-ahead

Browse source 
a_ops->readpages() is only ever used for read-ahead.  Ensure that we
pass this information down to the block layer.

Link: http://lkml.kernel.org/r/20180621010725.17813-5-axboe@kernel.dk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Chris Mason <clm@fb.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jens Axboe 2018-08-17 15:45:42 -07:00 • committed by Linus Torvalds
parent 5e9d398240
commit ac22b46a0b
3 changed files with 7 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

5
fs/ext4/inode.c
View file

@ -3325,7 +3325,8 @@ static int ext4_readpage(struct file *file, struct page *page)
ret = ext4_readpage_inline(inode, page);
if (ret == -EAGAIN)
return ext4_mpage_readpages(page->mapping, NULL, page, 1);
return ext4_mpage_readpages(page->mapping, NULL, page, 1,
false);
return ret;
}
@ -3340,7 +3341,7 @@ ext4_readpages(struct file *file, struct address_space *mapping,
if (ext4_has_inline_data(inode))
return 0;
return ext4_mpage_readpages(mapping, pages, NULL, nr_pages);
return ext4_mpage_readpages(mapping, pages, NULL, nr_pages, true);
}
static void ext4_invalidatepage(struct page *page, unsigned int offset,