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switch ->get_link() to delayed_call, kill ->put_link()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2015-12-29 15:58:39 -05:00
parent cd3417c8fc
commit fceef393a5
43 changed files with 206 additions and 218 deletions
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16
fs/f2fs/namei.c
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@@ -316,12 +316,14 @@ fail:
}
static const char *f2fs_get_link(struct dentry *dentry,
struct inode *inode, void **cookie)
struct inode *inode,
struct delayed_call *done)
{
const char *link = page_get_link(dentry, inode, cookie);
const char *link = page_get_link(dentry, inode, done);
if (!IS_ERR(link) && !*link) {
/* this is broken symlink case */
page_put_link(NULL, *cookie);
do_delayed_call(done);
clear_delayed_call(done);
link = ERR_PTR(-ENOENT);
}
return link;
@@ -926,7 +928,8 @@ static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry,
#ifdef CONFIG_F2FS_FS_ENCRYPTION
static const char *f2fs_encrypted_get_link(struct dentry *dentry,
struct inode *inode, void **cookie)
struct inode *inode,
struct delayed_call *done)
{
struct page *cpage = NULL;
char *caddr, *paddr = NULL;
@@ -988,7 +991,8 @@ static const char *f2fs_encrypted_get_link(struct dentry *dentry,
paddr[res] = '\0';
page_cache_release(cpage);
return *cookie = paddr;
set_delayed_call(done, kfree_link, paddr);
return paddr;
errout:
kfree(cstr.name);
f2fs_fname_crypto_free_buffer(&pstr);
@@ -999,7 +1003,6 @@ errout:
const struct inode_operations f2fs_encrypted_symlink_inode_operations = {
.readlink = generic_readlink,
.get_link = f2fs_encrypted_get_link,
.put_link = kfree_put_link,
.getattr = f2fs_getattr,
.setattr = f2fs_setattr,
.setxattr = generic_setxattr,
@@ -1035,7 +1038,6 @@ const struct inode_operations f2fs_dir_inode_operations = {
const struct inode_operations f2fs_symlink_inode_operations = {
.readlink = generic_readlink,
.get_link = f2fs_get_link,
.put_link = page_put_link,
.getattr = f2fs_getattr,
.setattr = f2fs_setattr,
#ifdef CONFIG_F2FS_FS_XATTR