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| author | Miklos Szeredi <mszeredi@redhat.com> | 2020-09-02 10:58:49 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2020-09-02 10:58:49 +0200 |
| commit | 610afc0bd40882181718be2ae1e0264466bba2c7 (patch) | |
| tree | cbff2984cb99220bfee43fd1da2f855e4fcea0a6 /fs/overlayfs/util.c | |
| parent | ovl: drop flags argument from ovl_do_setxattr() (diff) | |
| download | linux-610afc0bd40882181718be2ae1e0264466bba2c7.tar.xz linux-610afc0bd40882181718be2ae1e0264466bba2c7.zip | |
ovl: pass ovl_fs down to functions accessing private xattrs
This paves the way for optionally using the "user.overlay." xattr
namespace.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/util.c')
| -rw-r--r-- | fs/overlayfs/util.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index 7d86dba0db68..17bfc19625d0 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -544,11 +544,11 @@ void ovl_copy_up_end(struct dentry *dentry) ovl_inode_unlock(d_inode(dentry)); } -bool ovl_check_origin_xattr(struct dentry *dentry) +bool ovl_check_origin_xattr(struct ovl_fs *ofs, struct dentry *dentry) { int res; - res = ovl_do_getxattr(dentry, OVL_XATTR_ORIGIN, NULL, 0); + res = ovl_do_getxattr(ofs, dentry, OVL_XATTR_ORIGIN, NULL, 0); /* Zero size value means "copied up but origin unknown" */ if (res >= 0) @@ -557,7 +557,8 @@ bool ovl_check_origin_xattr(struct dentry *dentry) return false; } -bool ovl_check_dir_xattr(struct dentry *dentry, const char *name) +bool ovl_check_dir_xattr(struct super_block *sb, struct dentry *dentry, + const char *name) { int res; char val; @@ -565,7 +566,7 @@ bool ovl_check_dir_xattr(struct dentry *dentry, const char *name) if (!d_is_dir(dentry)) return false; - res = ovl_do_getxattr(dentry, name, &val, 1); + res = ovl_do_getxattr(OVL_FS(sb), dentry, name, &val, 1); if (res == 1 && val == 'y') return true; @@ -582,7 +583,7 @@ int ovl_check_setxattr(struct dentry *dentry, struct dentry *upperdentry, if (ofs->noxattr) return xerr; - err = ovl_do_setxattr(upperdentry, name, value, size); + err = ovl_do_setxattr(ofs, upperdentry, name, value, size); if (err == -EOPNOTSUPP) { pr_warn("cannot set %s xattr on upper\n", name); @@ -845,7 +846,7 @@ err: } /* err < 0, 0 if no metacopy xattr, 1 if metacopy xattr found */ -int ovl_check_metacopy_xattr(struct dentry *dentry) +int ovl_check_metacopy_xattr(struct ovl_fs *ofs, struct dentry *dentry) { int res; @@ -853,7 +854,7 @@ int ovl_check_metacopy_xattr(struct dentry *dentry) if (!S_ISREG(d_inode(dentry)->i_mode)) return 0; - res = ovl_do_getxattr(dentry, OVL_XATTR_METACOPY, NULL, 0); + res = ovl_do_getxattr(ofs, dentry, OVL_XATTR_METACOPY, NULL, 0); if (res < 0) { if (res == -ENODATA || res == -EOPNOTSUPP) return 0; @@ -882,12 +883,13 @@ bool ovl_is_metacopy_dentry(struct dentry *dentry) return (oe->numlower > 1); } -char *ovl_get_redirect_xattr(struct dentry *dentry, int padding) +char *ovl_get_redirect_xattr(struct ovl_fs *ofs, struct dentry *dentry, + int padding) { int res; char *s, *next, *buf = NULL; - res = ovl_do_getxattr(dentry, OVL_XATTR_REDIRECT, NULL, 0); + res = ovl_do_getxattr(ofs, dentry, OVL_XATTR_REDIRECT, NULL, 0); if (res == -ENODATA || res == -EOPNOTSUPP) return NULL; if (res < 0) @@ -899,7 +901,7 @@ char *ovl_get_redirect_xattr(struct dentry *dentry, int padding) if (!buf) return ERR_PTR(-ENOMEM); - res = ovl_do_getxattr(dentry, OVL_XATTR_REDIRECT, buf, res); + res = ovl_do_getxattr(ofs, dentry, OVL_XATTR_REDIRECT, buf, res); if (res < 0) goto fail; if (res == 0) |