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| author | Dmitry Torokhov | 2017-09-04 18:22:54 +0200 |
|---|---|---|
| committer | Dmitry Torokhov | 2017-09-04 18:22:54 +0200 |
| commit | a6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8 (patch) | |
| tree | 8960e571a398b5d32e72bdb9c89ce965daa870ab /fs/overlayfs/super.c | |
| parent | Input: xpad - fix PowerA init quirk for some gamepad models (diff) | |
| parent | Input: byd - make array seq static, reduces object code size (diff) | |
| download | kernel-qcow2-linux-a6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8.tar.gz kernel-qcow2-linux-a6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8.tar.xz kernel-qcow2-linux-a6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8.zip | |
Merge branch 'next' into for-linus
Prepare input updates for 4.14 merge window.
Diffstat (limited to 'fs/overlayfs/super.c')
| -rw-r--r-- | fs/overlayfs/super.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 9828b7de8999..4882ffb37bae 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -891,6 +891,19 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) dput(temp); else pr_warn("overlayfs: upper fs does not support tmpfile.\n"); + + /* + * Check if upper/work fs supports trusted.overlay.* + * xattr + */ + err = ovl_do_setxattr(ufs->workdir, OVL_XATTR_OPAQUE, + "0", 1, 0); + if (err) { + ufs->noxattr = true; + pr_warn("overlayfs: upper fs does not support xattr.\n"); + } else { + vfs_removexattr(ufs->workdir, OVL_XATTR_OPAQUE); + } } } @@ -961,7 +974,10 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) path_put(&workpath); kfree(lowertmp); - oe->__upperdentry = upperpath.dentry; + if (upperpath.dentry) { + oe->__upperdentry = upperpath.dentry; + oe->impure = ovl_is_impuredir(upperpath.dentry); + } for (i = 0; i < numlower; i++) { oe->lowerstack[i].dentry = stack[i].dentry; oe->lowerstack[i].mnt = ufs->lower_mnt[i]; |