From: David Howells <dhowells@redhat.com>
To: viro@ftp.linux.org.uk
Cc: kwc@citi.umich.edu, Trond.Myklebust@netapp.com,
linux-kernel@vger.kernel.org, dhowells@redhat.com
Subject: [PATCH 12/52] CRED: Make mpage read functions take a credentials pointer
Date: Fri, 12 Oct 2007 17:06:20 +0100 [thread overview]
Message-ID: <20071012160620.15119.12112.stgit@warthog.procyon.org.uk> (raw)
In-Reply-To: <20071012160519.15119.69608.stgit@warthog.procyon.org.uk>
Make the mpage read functions take a credentials pointer.
Signed-off-by: David Howells <dhowells@redhat.com>
---
fs/ext3/inode.c | 5 +++--
fs/fat/inode.c | 5 +++--
fs/mpage.c | 12 ++++++------
include/linux/mpage.h | 5 +++--
4 files changed, 15 insertions(+), 12 deletions(-)
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index a7ef05c..70e9e6f 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1582,14 +1582,15 @@ out_unlock:
static int ext3_readpage(struct file *file, struct page *page)
{
- return mpage_readpage(page, ext3_get_block);
+ return mpage_readpage(page, ext3_get_block, file->f_cred);
}
static int
ext3_readpages(struct file *file, struct address_space *mapping,
struct list_head *pages, unsigned nr_pages)
{
- return mpage_readpages(mapping, pages, nr_pages, ext3_get_block);
+ return mpage_readpages(mapping, pages, nr_pages, ext3_get_block,
+ file->f_cred);
}
static void ext3_invalidatepage(struct page *page, unsigned long offset)
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 43c6f4a..2745ce2 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -133,13 +133,14 @@ static int fat_writepages(struct address_space *mapping,
static int fat_readpage(struct file *file, struct page *page)
{
- return mpage_readpage(page, fat_get_block);
+ return mpage_readpage(page, fat_get_block, file->f_cred);
}
static int fat_readpages(struct file *file, struct address_space *mapping,
struct list_head *pages, unsigned nr_pages)
{
- return mpage_readpages(mapping, pages, nr_pages, fat_get_block);
+ return mpage_readpages(mapping, pages, nr_pages, fat_get_block,
+ file->f_cred);
}
static int fat_prepare_write(struct file *file, struct page *page,
diff --git a/fs/mpage.c b/fs/mpage.c
index 7fc2dce..af97410 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -167,9 +167,9 @@ map_buffer_to_page(struct page *page, struct buffer_head *bh, int page_block)
static struct bio *
do_mpage_readpage(struct bio *bio, struct page *page, unsigned nr_pages,
sector_t *last_block_in_bio, struct buffer_head *map_bh,
- unsigned long *first_logical_block, get_block_t get_block)
+ unsigned long *first_logical_block, get_block_t get_block,
+ struct cred *cred)
{
- struct cred *cred = current->cred;
struct inode *inode = page->mapping->host;
const unsigned blkbits = inode->i_blkbits;
const unsigned blocks_per_page = PAGE_CACHE_SIZE >> blkbits;
@@ -375,7 +375,7 @@ confused:
*/
int
mpage_readpages(struct address_space *mapping, struct list_head *pages,
- unsigned nr_pages, get_block_t get_block)
+ unsigned nr_pages, get_block_t get_block, struct cred *cred)
{
struct bio *bio = NULL;
unsigned page_idx;
@@ -397,7 +397,7 @@ mpage_readpages(struct address_space *mapping, struct list_head *pages,
nr_pages - page_idx,
&last_block_in_bio, &map_bh,
&first_logical_block,
- get_block);
+ get_block, cred);
if (!pagevec_add(&lru_pvec, page))
__pagevec_lru_add(&lru_pvec);
} else {
@@ -415,7 +415,7 @@ EXPORT_SYMBOL(mpage_readpages);
/*
* This isn't called much at all
*/
-int mpage_readpage(struct page *page, get_block_t get_block)
+int mpage_readpage(struct page *page, get_block_t get_block, struct cred *cred)
{
struct bio *bio = NULL;
sector_t last_block_in_bio = 0;
@@ -424,7 +424,7 @@ int mpage_readpage(struct page *page, get_block_t get_block)
clear_buffer_mapped(&map_bh);
bio = do_mpage_readpage(bio, page, 1, &last_block_in_bio,
- &map_bh, &first_logical_block, get_block);
+ &map_bh, &first_logical_block, get_block, cred);
if (bio)
mpage_bio_submit(READ, bio);
return 0;
diff --git a/include/linux/mpage.h b/include/linux/mpage.h
index 068a0c9..5235842 100644
--- a/include/linux/mpage.h
+++ b/include/linux/mpage.h
@@ -14,8 +14,9 @@
struct writeback_control;
int mpage_readpages(struct address_space *mapping, struct list_head *pages,
- unsigned nr_pages, get_block_t get_block);
-int mpage_readpage(struct page *page, get_block_t get_block);
+ unsigned nr_pages, get_block_t get_block,
+ struct cred *cred);
+int mpage_readpage(struct page *page, get_block_t get_block, struct cred *cred);
int mpage_writepages(struct address_space *mapping,
struct writeback_control *wbc, get_block_t get_block);
int mpage_writepage(struct page *page, get_block_t *get_block,
next prev parent reply other threads:[~2007-10-12 16:11 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-12 16:05 [PATCH 00/52] Introduce credential record David Howells
2007-10-12 16:05 ` [PATCH 01/52] CRED: Introduce a COW credentials record David Howells
2007-10-15 1:53 ` David Chinner
2007-10-12 16:05 ` [PATCH 02/52] CRED: Give in_group_p() a cred pointer David Howells
2007-10-12 16:05 ` [PATCH 03/52] CRED: Pass credentials down to ext3 block allocator David Howells
2007-10-12 16:05 ` [PATCH 04/52] CRED: Pass credentials down to ext3 inode allocator David Howells
2007-10-12 16:05 ` [PATCH 05/52] CRED: Prepare TMPFS for cred passing David Howells
2007-10-12 16:05 ` [PATCH 06/52] CRED: Prepare RAMFS " David Howells
2007-10-12 16:05 ` [PATCH 07/52] CRED: Pass credentials down to ext2 block allocator David Howells
2007-10-12 16:06 ` [PATCH 08/52] CRED: Pass credentials down to ext2 inode allocator David Howells
2007-10-12 16:06 ` [PATCH 09/52] CRED: Pass credentials down to ext4 block allocator David Howells
2007-10-12 16:06 ` [PATCH 10/52] CRED: Pass credentials down to ext4 inode allocator David Howells
2007-10-12 16:06 ` [PATCH 11/52] CRED: Give the get_block() callback a credentials pointer David Howells
2007-10-12 16:06 ` David Howells [this message]
2007-10-12 16:06 ` [PATCH 13/52] CRED: Make block_prepare_write() and co take " David Howells
2007-10-12 16:06 ` [PATCH 14/52] CRED: Provide a writeback credentials record David Howells
2007-10-12 16:06 ` [PATCH 15/52] CRED: Make Ext3 use the writeback credentials David Howells
2007-10-12 16:06 ` [PATCH 16/52] CRED: Pass credentials through the internals of ext3 truncation David Howells
2007-10-12 16:06 ` [PATCH 17/52] CRED: Make rpcauth_lookupcred() take a credentials pointer David Howells
2007-10-12 16:06 ` [PATCH 18/52] CRED: Make rpcauth_bindcred() " David Howells
2007-10-12 16:06 ` [PATCH 19/52] CRED: Add a credentials pointer to struct rpc_task David Howells
2007-10-12 16:07 ` [PATCH 20/52] CRED: Pass credentials into rpc_init_task() David Howells
2007-10-12 16:07 ` [PATCH 21/52] CRED: Pass credentials through the truncate() inode operation David Howells
2007-10-12 16:07 ` [PATCH 22/52] CRED: Pass credentials to nfs_setattr_update_inode() David Howells
2007-10-12 16:07 ` [PATCH 23/52] CRED: Pass credentials to the setattr() inode operation David Howells
2007-10-12 16:07 ` [PATCH 24/52] CRED: Pass credentials through inode_setattr() David Howells
2007-10-12 16:07 ` [PATCH 25/52] CRED: Give the mknod() inode op a credentials pointer David Howells
2007-10-12 16:07 ` [PATCH 26/52] CRED: Give the mkdir() " David Howells
2007-10-12 16:07 ` [PATCH 27/52] CRED: Give the create() " David Howells
2007-10-12 16:07 ` [PATCH 28/52] CRED: Give the link() " David Howells
2007-10-12 16:07 ` [PATCH 29/52] CRED: Give the unlink() " David Howells
2007-10-12 16:07 ` [PATCH 30/52] CRED: Give the rmdir() " David Howells
2007-10-12 16:07 ` [PATCH 31/52] CRED: Give the rename() " David Howells
2007-10-12 16:08 ` [PATCH 32/52] CRED: Give the symlink() " David Howells
2007-10-12 16:08 ` [PATCH 33/52] CRED: Make the get_parent() export op take a credential pointer David Howells
2007-10-12 16:08 ` [PATCH 34/52] CRED: Make Ext3 ACL set handlers pass credentials down David Howells
2007-10-12 16:08 ` [PATCH 35/52] CRED: Make the ACL set() handler take a credentials pointer David Howells
2007-10-12 16:08 ` [PATCH 36/52] CRED: Make ext3_fill_super() pass credentials down David Howells
2007-10-12 16:08 ` [PATCH 37/52] CRED: Pass credentials to the get_sb() op and various fill_super() ops David Howells
2007-10-12 16:08 ` [PATCH 38/52] CRED: Pass credentials through the quota_read() op David Howells
2007-10-12 16:08 ` [PATCH 39/52] CRED: Pass credentials through the quota_write() op David Howells
2007-10-12 16:08 ` [PATCH 40/52] CRED: Give the lookup() inode op a credentials pointer David Howells
2007-10-12 16:08 ` [PATCH 41/52] CRED: Pass credentials through d_revalidate() David Howells
2007-10-12 16:08 ` [PATCH 42/52] CRED: Pass credentials through the permission() inode op David Howells
2007-10-12 16:08 ` [PATCH 43/52] CRED: Pass credentials through the statfs() superblock op David Howells
2007-10-12 16:09 ` [PATCH 44/52] CRED: Pass credentials through the follow_link() inode op David Howells
2007-10-12 16:09 ` [PATCH 45/52] CRED: Pass credentials through the getattr() " David Howells
2007-10-12 16:09 ` [PATCH 46/52] CRED: Pass credentials through the setxattr() " David Howells
2007-10-12 16:09 ` [PATCH 47/52] CRED: Pass credentials through the xattr get() handler David Howells
2007-10-12 16:09 ` [PATCH 48/52] CRED: Pass credentials through the getxattr() inode op David Howells
2007-10-12 16:09 ` [PATCH 49/52] CRED: Pass credentials through the xattr list() handler David Howells
2007-10-12 16:09 ` [PATCH 50/52] CRED: Pass credentials through the listxattr() inode op David Howells
2007-10-12 16:09 ` [PATCH 51/52] CRED: Pass credentials through the removexattr() " David Howells
2007-10-12 16:09 ` [PATCH 52/52] CRED: Pass credentials through vfs_mkdir() David Howells
2007-10-13 18:11 ` [PATCH 00/52] Introduce credential record Theodore Tso
2007-10-13 18:19 ` Al Viro
2007-10-13 21:46 ` David Howells
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