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Diffstat (limited to 'libbcachefs/fs.c')
-rw-r--r--libbcachefs/fs.c60
1 files changed, 35 insertions, 25 deletions
diff --git a/libbcachefs/fs.c b/libbcachefs/fs.c
index c567e176..a95358dd 100644
--- a/libbcachefs/fs.c
+++ b/libbcachefs/fs.c
@@ -244,11 +244,11 @@ static int inum_test(struct inode *inode, void *p)
}
static struct bch_inode_info *
-__bch2_create(struct bch_inode_info *dir, struct dentry *dentry,
+__bch2_create(struct user_namespace *mnt_userns,
+ struct bch_inode_info *dir, struct dentry *dentry,
umode_t mode, dev_t rdev, bool tmpfile)
{
struct bch_fs *c = dir->v.i_sb->s_fs_info;
- struct user_namespace *ns = dir->v.i_sb->s_user_ns;
struct btree_trans trans;
struct bch_inode_unpacked dir_u;
struct bch_inode_info *inode, *old;
@@ -284,8 +284,8 @@ retry:
ret = bch2_create_trans(&trans, dir->v.i_ino, &dir_u, &inode_u,
!tmpfile ? &dentry->d_name : NULL,
- from_kuid(ns, current_fsuid()),
- from_kgid(ns, current_fsgid()),
+ from_kuid(mnt_userns, current_fsuid()),
+ from_kgid(mnt_userns, current_fsgid()),
mode, rdev,
default_acl, acl) ?:
bch2_quota_acct(c, bch_qid(&inode_u), Q_INO, 1,
@@ -382,11 +382,12 @@ static struct dentry *bch2_lookup(struct inode *vdir, struct dentry *dentry,
return d_splice_alias(vinode, dentry);
}
-static int bch2_mknod(struct inode *vdir, struct dentry *dentry,
+static int bch2_mknod(struct user_namespace *mnt_userns,
+ struct inode *vdir, struct dentry *dentry,
umode_t mode, dev_t rdev)
{
struct bch_inode_info *inode =
- __bch2_create(to_bch_ei(vdir), dentry, mode, rdev, false);
+ __bch2_create(mnt_userns, to_bch_ei(vdir), dentry, mode, rdev, false);
if (IS_ERR(inode))
return PTR_ERR(inode);
@@ -395,10 +396,11 @@ static int bch2_mknod(struct inode *vdir, struct dentry *dentry,
return 0;
}
-static int bch2_create(struct inode *vdir, struct dentry *dentry,
+static int bch2_create(struct user_namespace *mnt_userns,
+ struct inode *vdir, struct dentry *dentry,
umode_t mode, bool excl)
{
- return bch2_mknod(vdir, dentry, mode|S_IFREG, 0);
+ return bch2_mknod(mnt_userns, vdir, dentry, mode|S_IFREG, 0);
}
static int __bch2_link(struct bch_fs *c,
@@ -488,14 +490,15 @@ static int bch2_unlink(struct inode *vdir, struct dentry *dentry)
return ret;
}
-static int bch2_symlink(struct inode *vdir, struct dentry *dentry,
+static int bch2_symlink(struct user_namespace *mnt_userns,
+ struct inode *vdir, struct dentry *dentry,
const char *symname)
{
struct bch_fs *c = vdir->i_sb->s_fs_info;
struct bch_inode_info *dir = to_bch_ei(vdir), *inode;
int ret;
- inode = __bch2_create(dir, dentry, S_IFLNK|S_IRWXUGO, 0, true);
+ inode = __bch2_create(mnt_userns, dir, dentry, S_IFLNK|S_IRWXUGO, 0, true);
if (unlikely(IS_ERR(inode)))
return PTR_ERR(inode);
@@ -523,12 +526,14 @@ err:
return ret;
}
-static int bch2_mkdir(struct inode *vdir, struct dentry *dentry, umode_t mode)
+static int bch2_mkdir(struct user_namespace *mnt_userns,
+ struct inode *vdir, struct dentry *dentry, umode_t mode)
{
- return bch2_mknod(vdir, dentry, mode|S_IFDIR, 0);
+ return bch2_mknod(mnt_userns, vdir, dentry, mode|S_IFDIR, 0);
}
-static int bch2_rename2(struct inode *src_vdir, struct dentry *src_dentry,
+static int bch2_rename2(struct user_namespace *mnt_userns,
+ struct inode *src_vdir, struct dentry *src_dentry,
struct inode *dst_vdir, struct dentry *dst_dentry,
unsigned flags)
{
@@ -642,7 +647,8 @@ err:
return ret;
}
-void bch2_setattr_copy(struct bch_inode_info *inode,
+void bch2_setattr_copy(struct user_namespace *mnt_userns,
+ struct bch_inode_info *inode,
struct bch_inode_unpacked *bi,
struct iattr *attr)
{
@@ -650,9 +656,9 @@ void bch2_setattr_copy(struct bch_inode_info *inode,
unsigned int ia_valid = attr->ia_valid;
if (ia_valid & ATTR_UID)
- bi->bi_uid = from_kuid(c->vfs_sb->s_user_ns, attr->ia_uid);
+ bi->bi_uid = from_kuid(mnt_userns, attr->ia_uid);
if (ia_valid & ATTR_GID)
- bi->bi_gid = from_kgid(c->vfs_sb->s_user_ns, attr->ia_gid);
+ bi->bi_gid = from_kgid(mnt_userns, attr->ia_gid);
if (ia_valid & ATTR_ATIME)
bi->bi_atime = timespec_to_bch2_time(c, attr->ia_atime);
@@ -668,13 +674,14 @@ void bch2_setattr_copy(struct bch_inode_info *inode,
: inode->v.i_gid;
if (!in_group_p(gid) &&
- !capable_wrt_inode_uidgid(&inode->v, CAP_FSETID))
+ !capable_wrt_inode_uidgid(mnt_userns, &inode->v, CAP_FSETID))
mode &= ~S_ISGID;
bi->bi_mode = mode;
}
}
-static int bch2_setattr_nonsize(struct bch_inode_info *inode,
+static int bch2_setattr_nonsize(struct user_namespace *mnt_userns,
+ struct bch_inode_info *inode,
struct iattr *attr)
{
struct bch_fs *c = inode->v.i_sb->s_fs_info;
@@ -712,7 +719,7 @@ retry:
if (ret)
goto btree_err;
- bch2_setattr_copy(inode, &inode_u, attr);
+ bch2_setattr_copy(mnt_userns, inode, &inode_u, attr);
if (attr->ia_valid & ATTR_MODE) {
ret = bch2_acl_chmod(&trans, &inode_u, inode_u.bi_mode, &acl);
@@ -745,7 +752,8 @@ err:
return ret;
}
-static int bch2_getattr(const struct path *path, struct kstat *stat,
+static int bch2_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned query_flags)
{
struct bch_inode_info *inode = to_bch_ei(d_inode(path->dentry));
@@ -785,26 +793,28 @@ static int bch2_getattr(const struct path *path, struct kstat *stat,
return 0;
}
-static int bch2_setattr(struct dentry *dentry, struct iattr *iattr)
+static int bch2_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *iattr)
{
struct bch_inode_info *inode = to_bch_ei(dentry->d_inode);
int ret;
lockdep_assert_held(&inode->v.i_rwsem);
- ret = setattr_prepare(dentry, iattr);
+ ret = setattr_prepare(mnt_userns, dentry, iattr);
if (ret)
return ret;
return iattr->ia_valid & ATTR_SIZE
? bch2_truncate(inode, iattr)
- : bch2_setattr_nonsize(inode, iattr);
+ : bch2_setattr_nonsize(mnt_userns, inode, iattr);
}
-static int bch2_tmpfile(struct inode *vdir, struct dentry *dentry, umode_t mode)
+static int bch2_tmpfile(struct user_namespace *mnt_userns,
+ struct inode *vdir, struct dentry *dentry, umode_t mode)
{
struct bch_inode_info *inode =
- __bch2_create(to_bch_ei(vdir), dentry, mode, 0, true);
+ __bch2_create(mnt_userns, to_bch_ei(vdir), dentry, mode, 0, true);
if (IS_ERR(inode))
return PTR_ERR(inode);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-05 01:37:41 +0000