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| author | Al Viro <viro@zeniv.linux.org.uk> | 2021-05-12 22:24:12 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2021-05-19 02:15:56 +0200 |
| commit | 7c0d552fd5aa3527ed01290832ebbe072fa5de52 (patch) | |
| tree | c4b10830b547490a8953a9f0ba054d62dafe3982 /fs/d_path.c | |
| parent | d_path: introduce struct prepend_buffer (diff) | |
| download | linux-7c0d552fd5aa3527ed01290832ebbe072fa5de52.tar.xz linux-7c0d552fd5aa3527ed01290832ebbe072fa5de52.zip | |
d_path: prepend_path(): get rid of vfsmnt
it's kept equal to &mnt->mnt all along.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/d_path.c')
| -rw-r--r-- | fs/d_path.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/fs/d_path.c b/fs/d_path.c index 06e93dd031bf..3836f5d0b023 100644 --- a/fs/d_path.c +++ b/fs/d_path.c @@ -90,7 +90,6 @@ static int prepend_path(const struct path *path, struct prepend_buffer *p) { struct dentry *dentry; - struct vfsmount *vfsmnt; struct mount *mnt; int error = 0; unsigned seq, m_seq = 0; @@ -105,18 +104,17 @@ restart: b = *p; error = 0; dentry = path->dentry; - vfsmnt = path->mnt; - mnt = real_mount(vfsmnt); + mnt = real_mount(path->mnt); read_seqbegin_or_lock(&rename_lock, &seq); - while (dentry != root->dentry || vfsmnt != root->mnt) { + while (dentry != root->dentry || &mnt->mnt != root->mnt) { struct dentry * parent; - if (dentry == vfsmnt->mnt_root || IS_ROOT(dentry)) { + if (dentry == mnt->mnt.mnt_root || IS_ROOT(dentry)) { struct mount *parent = READ_ONCE(mnt->mnt_parent); struct mnt_namespace *mnt_ns; /* Escaped? */ - if (dentry != vfsmnt->mnt_root) { + if (dentry != mnt->mnt.mnt_root) { b = *p; error = 3; break; @@ -125,7 +123,6 @@ restart: if (mnt != parent) { dentry = READ_ONCE(mnt->mnt_mountpoint); mnt = parent; - vfsmnt = &mnt->mnt; continue; } mnt_ns = READ_ONCE(mnt->mnt_ns); |