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authorAl Viro <viro@ZenIV.linux.org.uk>2010-05-21 15:27:09 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2010-05-21 18:31:28 -0400
commitf6d335c08df48b318187a087c9c38ba3d416e115 (patch)
treeccee5ad0c46fea4c34d435d5d869f43394dd9a81 /fs/afs/dir.c
parent4403158ba295c8e36f6736b1bb12d0f7e1923dac (diff)
downloadlinux-f6d335c08df48b318187a087c9c38ba3d416e115.tar.bz2
AFS: Don't put struct file on the stack
Don't put struct file on the stack as it takes up quite a lot of space and violates lifetime rules for struct file. Rather than calling afs_readpage() indirectly from the directory routines by way of read_mapping_page(), split afs_readpage() to have afs_page_filler() that's given a key instead of a file and call read_cache_page(), specifying the new function directly. Use it in afs_readpages() as well. Also make use of this in afs_mntpt_check_symlink() too for the same reason. Reported-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/afs/dir.c')
-rw-r--r--fs/afs/dir.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index adc1cb771b57..b42d5cc1d6d2 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -189,13 +189,9 @@ static struct page *afs_dir_get_page(struct inode *dir, unsigned long index,
struct key *key)
{
struct page *page;
- struct file file = {
- .private_data = key,
- };
-
_enter("{%lu},%lu", dir->i_ino, index);
- page = read_mapping_page(dir->i_mapping, index, &file);
+ page = read_cache_page(dir->i_mapping, index, afs_page_filler, key);
if (!IS_ERR(page)) {
kmap(page);
if (!PageChecked(page))