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switch dentry_open() to struct path, make it grab references itself

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-06-26 21:58:53 +04:00
parent bf349a4470
commit 765927b2d5
15 changed files with 106 additions and 151 deletions
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17
fs/open.c
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@ -766,11 +766,7 @@ int finish_no_open(struct file *file, struct dentry *dentry)
}
EXPORT_SYMBOL(finish_no_open);
/*
* dentry_open() will have done dput(dentry) and mntput(mnt) if it returns an
* error.
*/
struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags,
struct file *dentry_open(const struct path *path, int flags,
const struct cred *cred)
{
int error;
@ -779,19 +775,16 @@ struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags,
validate_creds(cred);
/* We must always pass in a valid mount pointer. */
BUG_ON(!mnt);
BUG_ON(!path->mnt);
error = -ENFILE;
f = get_empty_filp();
if (f == NULL) {
dput(dentry);
mntput(mnt);
if (f == NULL)
return ERR_PTR(error);
}
f->f_flags = flags;
f->f_path.mnt = mnt;
f->f_path.dentry = dentry;
f->f_path = *path;
path_get(&f->f_path);
error = do_dentry_open(f, NULL, cred);
if (!error) {
error = open_check_o_direct(f);