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do_last(): collapse the call of path_to_nameidata()

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... and shift filling struct path to just before the call of
handle_mounts().  All callers of handle_mounts() are
immediately preceded by path->mnt = nd->path.mnt now.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-01-09 14:30:08 -05:00
parent da5ebf5aa6
commit e73cabff59
1 changed files with 4 additions and 3 deletions
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7
fs/namei.c
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@ -3362,8 +3362,6 @@ static int do_last(struct nameidata *nd,
error = PTR_ERR(dentry);
goto out;
}
path.mnt = nd->path.mnt;
path.dentry = dentry;
if (file->f_mode & FMODE_OPENED) {
if ((file->f_mode & FMODE_CREATED) ||
@ -3380,7 +3378,8 @@ static int do_last(struct nameidata *nd,
open_flag &= ~O_TRUNC;
will_truncate = false;
acc_mode = 0;
path_to_nameidata(&path, nd);
dput(nd->path.dentry);
nd->path.dentry = dentry;
goto finish_open_created;
}
@ -3394,6 +3393,8 @@ static int do_last(struct nameidata *nd,
got_write = false;
}
path.mnt = nd->path.mnt;
path.dentry = dentry;
error = handle_mounts(&path, nd, &inode, &seq);
if (unlikely(error < 0))
return error;