From: "Darrick J. Wong" <djwong@kernel.org> To: Christian Brauner <christian.brauner@ubuntu.com> Cc: Lennart Poettering <lennart@poettering.net>, Mimi Zohar <zohar@linux.ibm.com>, James Bottomley <James.Bottomley@hansenpartnership.com>, Andreas Dilger <adilger.kernel@dilger.ca>, containers@lists.linux-foundation.org, Christoph Hellwig <hch@lst.de>, Tycho Andersen <tycho@tycho.ws>, Paul Moore <paul@paul-moore.com>, Jonathan Corbet <corbet@lwn.net>, smbarber@chromium.org, Alban Crequy <alban@kinvolk.io>, linux-ext4@vger.kernel.org, Mrunal Patel <mpatel@redhat.com>, Kees Cook <keescook@chromium.org>, Arnd Bergmann <arnd@arndb.de>, selinux@vger.kernel.org, Josh Triplett <josh@joshtriplett.org>, Seth Forshee <seth.forshee@canonical.com>, Aleksa Sarai <cyphar@cyphar.com>, Alexander Viro <viro@zeniv.linux.org.uk>, Andy Lutomirski <luto@kernel.org>, OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>, Geoffrey Thomas <geofft@ldpreload.com>, David Howells <dhowells@redhat.com>, John Johansen <john.johansen@canonical.com>, Theodore Tso <tytso@mit.edu>, Dmitry Kasatkin <dmitry.kasatkin@gmail.com>, Stephen Smalley <stephen.smalley.work@gmail.com>, linux-xfs@vger.kernel.org, linux-security-module@vger.kernel.org, "Eric W. Biederman" <ebiederm@xmission.com>, linux-api@vger.kernel.org, Casey Schaufler <casey@schaufler-ca.com>, linux-fsdevel@vger.kernel.org, linux-integrity@vger.kernel.org, Linus Torvalds <torvalds@linux-foundation.org>, Todd Kjos <tkjos@google.com> Subject: Re: [PATCH v6 39/40] xfs: support idmapped mounts Date: Mon, 1 Mar 2021 12:05:20 -0800 [thread overview] Message-ID: <20210301200520.GK7272@magnolia> (raw) In-Reply-To: <20210121131959.646623-40-christian.brauner@ubuntu.com> On Thu, Jan 21, 2021 at 02:19:58PM +0100, Christian Brauner wrote: > From: Christoph Hellwig <hch@lst.de> > > Enable idmapped mounts for xfs. This basically just means passing down > the user_namespace argument from the VFS methods down to where it is > passed to the relevant helpers. > > Note that full-filesystem bulkstat is not supported from inside idmapped > mounts as it is an administrative operation that acts on the whole file > system. The limitation is not applied to the bulkstat single operation > that just operates on a single inode. > > Signed-off-by: Christoph Hellwig <hch@lst.de> > Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> > --- > /* v2 */ > > /* v3 */ > > /* v4 */ > > /* v5 */ > base-commit: 7c53f6b671f4aba70ff15e1b05148b10d58c2837 > > /* v6 */ > unchanged > base-commit: 19c329f6808995b142b3966301f217c831e7cf31 > --- > fs/xfs/xfs_acl.c | 3 +-- > fs/xfs/xfs_file.c | 4 +++- > fs/xfs/xfs_inode.c | 26 +++++++++++++++-------- > fs/xfs/xfs_inode.h | 16 +++++++++------ > fs/xfs/xfs_ioctl.c | 35 ++++++++++++++++++------------- > fs/xfs/xfs_ioctl32.c | 6 ++++-- > fs/xfs/xfs_iops.c | 49 +++++++++++++++++++++++++------------------- > fs/xfs/xfs_iops.h | 3 ++- > fs/xfs/xfs_itable.c | 17 +++++++++++---- > fs/xfs/xfs_itable.h | 1 + > fs/xfs/xfs_qm.c | 3 ++- > fs/xfs/xfs_super.c | 2 +- > fs/xfs/xfs_symlink.c | 5 +++-- > fs/xfs/xfs_symlink.h | 5 +++-- > 14 files changed, 110 insertions(+), 65 deletions(-) <snip> Sorry for not noticing until after this went upstream, but... > diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c > index 16ca97a7ff00..ca310a125d1e 100644 > --- a/fs/xfs/xfs_itable.c > +++ b/fs/xfs/xfs_itable.c > @@ -54,10 +54,12 @@ struct xfs_bstat_chunk { > STATIC int > xfs_bulkstat_one_int( > struct xfs_mount *mp, > + struct user_namespace *mnt_userns, > struct xfs_trans *tp, > xfs_ino_t ino, > struct xfs_bstat_chunk *bc) > { > + struct user_namespace *sb_userns = mp->m_super->s_user_ns; > struct xfs_icdinode *dic; /* dinode core info pointer */ > struct xfs_inode *ip; /* incore inode pointer */ > struct inode *inode; > @@ -86,8 +88,8 @@ xfs_bulkstat_one_int( > */ > buf->bs_projectid = ip->i_d.di_projid; > buf->bs_ino = ino; > - buf->bs_uid = i_uid_read(inode); > - buf->bs_gid = i_gid_read(inode); > + buf->bs_uid = from_kuid(sb_userns, i_uid_into_mnt(mnt_userns, inode)); > + buf->bs_gid = from_kgid(sb_userns, i_gid_into_mnt(mnt_userns, inode)); > buf->bs_size = dic->di_size; > > buf->bs_nlink = inode->i_nlink; > @@ -173,7 +175,8 @@ xfs_bulkstat_one( > if (!bc.buf) > return -ENOMEM; > > - error = xfs_bulkstat_one_int(breq->mp, NULL, breq->startino, &bc); > + error = xfs_bulkstat_one_int(breq->mp, breq->mnt_userns, NULL, > + breq->startino, &bc); > > kmem_free(bc.buf); > > @@ -194,9 +197,10 @@ xfs_bulkstat_iwalk( > xfs_ino_t ino, > void *data) > { > + struct xfs_bstat_chunk *bc = data; > int error; > > - error = xfs_bulkstat_one_int(mp, tp, ino, data); > + error = xfs_bulkstat_one_int(mp, bc->breq->mnt_userns, tp, ino, data); > /* bulkstat just skips over missing inodes */ > if (error == -ENOENT || error == -EINVAL) > return 0; > @@ -239,6 +243,11 @@ xfs_bulkstat( > }; > int error; > > + if (breq->mnt_userns != &init_user_ns) { > + xfs_warn_ratelimited(breq->mp, > + "bulkstat not supported inside of idmapped mounts."); > + return -EINVAL; Shouldn't this be -EPERM? Or -EOPNOTSUPP? Also, I'm not sure why bulkstat won't work in an idmapped mount but bulkstat_single does? You can use the singleton version to stat inodes that aren't inside the submount. --D > + } > if (xfs_bulkstat_already_done(breq->mp, breq->startino)) > return 0; > > diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h > index 96a1e2a9be3f..7078d10c9b12 100644 > --- a/fs/xfs/xfs_itable.h > +++ b/fs/xfs/xfs_itable.h > @@ -8,6 +8,7 @@ > /* In-memory representation of a userspace request for batch inode data. */ > struct xfs_ibulk { > struct xfs_mount *mp; > + struct user_namespace *mnt_userns; > void __user *ubuffer; /* user output buffer */ > xfs_ino_t startino; /* start with this inode */ > unsigned int icount; /* number of elements in ubuffer */ > diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c > index c134eb4aeaa8..1b7b1393cab2 100644 > --- a/fs/xfs/xfs_qm.c > +++ b/fs/xfs/xfs_qm.c > @@ -787,7 +787,8 @@ xfs_qm_qino_alloc( > return error; > > if (need_alloc) { > - error = xfs_dir_ialloc(&tp, NULL, S_IFREG, 1, 0, 0, ipp); > + error = xfs_dir_ialloc(&init_user_ns, &tp, NULL, S_IFREG, 1, 0, > + 0, ipp); > if (error) { > xfs_trans_cancel(tp); > return error; > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > index 813be879a5e5..e95c1eff95e0 100644 > --- a/fs/xfs/xfs_super.c > +++ b/fs/xfs/xfs_super.c > @@ -1912,7 +1912,7 @@ static struct file_system_type xfs_fs_type = { > .init_fs_context = xfs_init_fs_context, > .parameters = xfs_fs_parameters, > .kill_sb = kill_block_super, > - .fs_flags = FS_REQUIRES_DEV, > + .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP, > }; > MODULE_ALIAS_FS("xfs"); > > diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c > index 1f43fd7f3209..77c8ea3229f1 100644 > --- a/fs/xfs/xfs_symlink.c > +++ b/fs/xfs/xfs_symlink.c > @@ -134,6 +134,7 @@ xfs_readlink( > > int > xfs_symlink( > + struct user_namespace *mnt_userns, > struct xfs_inode *dp, > struct xfs_name *link_name, > const char *target_path, > @@ -223,8 +224,8 @@ xfs_symlink( > /* > * Allocate an inode for the symlink. > */ > - error = xfs_dir_ialloc(&tp, dp, S_IFLNK | (mode & ~S_IFMT), 1, 0, > - prid, &ip); > + error = xfs_dir_ialloc(mnt_userns, &tp, dp, S_IFLNK | (mode & ~S_IFMT), > + 1, 0, prid, &ip); > if (error) > goto out_trans_cancel; > > diff --git a/fs/xfs/xfs_symlink.h b/fs/xfs/xfs_symlink.h > index b1fa091427e6..2586b7e393f3 100644 > --- a/fs/xfs/xfs_symlink.h > +++ b/fs/xfs/xfs_symlink.h > @@ -7,8 +7,9 @@ > > /* Kernel only symlink definitions */ > > -int xfs_symlink(struct xfs_inode *dp, struct xfs_name *link_name, > - const char *target_path, umode_t mode, struct xfs_inode **ipp); > +int xfs_symlink(struct user_namespace *mnt_userns, struct xfs_inode *dp, > + struct xfs_name *link_name, const char *target_path, > + umode_t mode, struct xfs_inode **ipp); > int xfs_readlink_bmap_ilocked(struct xfs_inode *ip, char *link); > int xfs_readlink(struct xfs_inode *ip, char *link); > int xfs_inactive_symlink(struct xfs_inode *ip); > -- > 2.30.0 > _______________________________________________ Containers mailing list Containers@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/containers
WARNING: multiple messages have this Message-ID (diff)
From: "Darrick J. Wong" <djwong@kernel.org> To: Christian Brauner <christian.brauner@ubuntu.com> Cc: "Alexander Viro" <viro@zeniv.linux.org.uk>, "Christoph Hellwig" <hch@lst.de>, linux-fsdevel@vger.kernel.org, "John Johansen" <john.johansen@canonical.com>, "James Morris" <jmorris@namei.org>, "Mimi Zohar" <zohar@linux.ibm.com>, "Dmitry Kasatkin" <dmitry.kasatkin@gmail.com>, "Stephen Smalley" <stephen.smalley.work@gmail.com>, "Casey Schaufler" <casey@schaufler-ca.com>, "Arnd Bergmann" <arnd@arndb.de>, "Andreas Dilger" <adilger.kernel@dilger.ca>, "OGAWA Hirofumi" <hirofumi@mail.parknet.co.jp>, "Geoffrey Thomas" <geofft@ldpreload.com>, "Mrunal Patel" <mpatel@redhat.com>, "Josh Triplett" <josh@joshtriplett.org>, "Andy Lutomirski" <luto@kernel.org>, "Theodore Tso" <tytso@mit.edu>, "Alban Crequy" <alban@kinvolk.io>, "Tycho Andersen" <tycho@tycho.ws>, "David Howells" <dhowells@redhat.com>, "James Bottomley" <James.Bottomley@hansenpartnership.com>, "Seth Forshee" <seth.forshee@canonical.com>, "Stéphane Graber" <stgraber@ubuntu.com>, "Linus Torvalds" <torvalds@linux-foundation.org>, "Aleksa Sarai" <cyphar@cyphar.com>, "Lennart Poettering" <lennart@poettering.net>, "Eric W. Biederman" <ebiederm@xmission.com>, smbarber@chromium.org, "Phil Estes" <estesp@gmail.com>, "Serge Hallyn" <serge@hallyn.com>, "Kees Cook" <keescook@chromium.org>, "Todd Kjos" <tkjos@google.com>, "Paul Moore" <paul@paul-moore.com>, "Jonathan Corbet" <corbet@lwn.net>, containers@lists.linux-foundation.org, linux-security-module@vger.kernel.org, linux-api@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-integrity@vger.kernel.org, selinux@vger.kernel.org Subject: Re: [PATCH v6 39/40] xfs: support idmapped mounts Date: Mon, 1 Mar 2021 12:05:20 -0800 [thread overview] Message-ID: <20210301200520.GK7272@magnolia> (raw) In-Reply-To: <20210121131959.646623-40-christian.brauner@ubuntu.com> On Thu, Jan 21, 2021 at 02:19:58PM +0100, Christian Brauner wrote: > From: Christoph Hellwig <hch@lst.de> > > Enable idmapped mounts for xfs. This basically just means passing down > the user_namespace argument from the VFS methods down to where it is > passed to the relevant helpers. > > Note that full-filesystem bulkstat is not supported from inside idmapped > mounts as it is an administrative operation that acts on the whole file > system. The limitation is not applied to the bulkstat single operation > that just operates on a single inode. > > Signed-off-by: Christoph Hellwig <hch@lst.de> > Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> > --- > /* v2 */ > > /* v3 */ > > /* v4 */ > > /* v5 */ > base-commit: 7c53f6b671f4aba70ff15e1b05148b10d58c2837 > > /* v6 */ > unchanged > base-commit: 19c329f6808995b142b3966301f217c831e7cf31 > --- > fs/xfs/xfs_acl.c | 3 +-- > fs/xfs/xfs_file.c | 4 +++- > fs/xfs/xfs_inode.c | 26 +++++++++++++++-------- > fs/xfs/xfs_inode.h | 16 +++++++++------ > fs/xfs/xfs_ioctl.c | 35 ++++++++++++++++++------------- > fs/xfs/xfs_ioctl32.c | 6 ++++-- > fs/xfs/xfs_iops.c | 49 +++++++++++++++++++++++++------------------- > fs/xfs/xfs_iops.h | 3 ++- > fs/xfs/xfs_itable.c | 17 +++++++++++---- > fs/xfs/xfs_itable.h | 1 + > fs/xfs/xfs_qm.c | 3 ++- > fs/xfs/xfs_super.c | 2 +- > fs/xfs/xfs_symlink.c | 5 +++-- > fs/xfs/xfs_symlink.h | 5 +++-- > 14 files changed, 110 insertions(+), 65 deletions(-) <snip> Sorry for not noticing until after this went upstream, but... > diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c > index 16ca97a7ff00..ca310a125d1e 100644 > --- a/fs/xfs/xfs_itable.c > +++ b/fs/xfs/xfs_itable.c > @@ -54,10 +54,12 @@ struct xfs_bstat_chunk { > STATIC int > xfs_bulkstat_one_int( > struct xfs_mount *mp, > + struct user_namespace *mnt_userns, > struct xfs_trans *tp, > xfs_ino_t ino, > struct xfs_bstat_chunk *bc) > { > + struct user_namespace *sb_userns = mp->m_super->s_user_ns; > struct xfs_icdinode *dic; /* dinode core info pointer */ > struct xfs_inode *ip; /* incore inode pointer */ > struct inode *inode; > @@ -86,8 +88,8 @@ xfs_bulkstat_one_int( > */ > buf->bs_projectid = ip->i_d.di_projid; > buf->bs_ino = ino; > - buf->bs_uid = i_uid_read(inode); > - buf->bs_gid = i_gid_read(inode); > + buf->bs_uid = from_kuid(sb_userns, i_uid_into_mnt(mnt_userns, inode)); > + buf->bs_gid = from_kgid(sb_userns, i_gid_into_mnt(mnt_userns, inode)); > buf->bs_size = dic->di_size; > > buf->bs_nlink = inode->i_nlink; > @@ -173,7 +175,8 @@ xfs_bulkstat_one( > if (!bc.buf) > return -ENOMEM; > > - error = xfs_bulkstat_one_int(breq->mp, NULL, breq->startino, &bc); > + error = xfs_bulkstat_one_int(breq->mp, breq->mnt_userns, NULL, > + breq->startino, &bc); > > kmem_free(bc.buf); > > @@ -194,9 +197,10 @@ xfs_bulkstat_iwalk( > xfs_ino_t ino, > void *data) > { > + struct xfs_bstat_chunk *bc = data; > int error; > > - error = xfs_bulkstat_one_int(mp, tp, ino, data); > + error = xfs_bulkstat_one_int(mp, bc->breq->mnt_userns, tp, ino, data); > /* bulkstat just skips over missing inodes */ > if (error == -ENOENT || error == -EINVAL) > return 0; > @@ -239,6 +243,11 @@ xfs_bulkstat( > }; > int error; > > + if (breq->mnt_userns != &init_user_ns) { > + xfs_warn_ratelimited(breq->mp, > + "bulkstat not supported inside of idmapped mounts."); > + return -EINVAL; Shouldn't this be -EPERM? Or -EOPNOTSUPP? Also, I'm not sure why bulkstat won't work in an idmapped mount but bulkstat_single does? You can use the singleton version to stat inodes that aren't inside the submount. --D > + } > if (xfs_bulkstat_already_done(breq->mp, breq->startino)) > return 0; > > diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h > index 96a1e2a9be3f..7078d10c9b12 100644 > --- a/fs/xfs/xfs_itable.h > +++ b/fs/xfs/xfs_itable.h > @@ -8,6 +8,7 @@ > /* In-memory representation of a userspace request for batch inode data. */ > struct xfs_ibulk { > struct xfs_mount *mp; > + struct user_namespace *mnt_userns; > void __user *ubuffer; /* user output buffer */ > xfs_ino_t startino; /* start with this inode */ > unsigned int icount; /* number of elements in ubuffer */ > diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c > index c134eb4aeaa8..1b7b1393cab2 100644 > --- a/fs/xfs/xfs_qm.c > +++ b/fs/xfs/xfs_qm.c > @@ -787,7 +787,8 @@ xfs_qm_qino_alloc( > return error; > > if (need_alloc) { > - error = xfs_dir_ialloc(&tp, NULL, S_IFREG, 1, 0, 0, ipp); > + error = xfs_dir_ialloc(&init_user_ns, &tp, NULL, S_IFREG, 1, 0, > + 0, ipp); > if (error) { > xfs_trans_cancel(tp); > return error; > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > index 813be879a5e5..e95c1eff95e0 100644 > --- a/fs/xfs/xfs_super.c > +++ b/fs/xfs/xfs_super.c > @@ -1912,7 +1912,7 @@ static struct file_system_type xfs_fs_type = { > .init_fs_context = xfs_init_fs_context, > .parameters = xfs_fs_parameters, > .kill_sb = kill_block_super, > - .fs_flags = FS_REQUIRES_DEV, > + .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP, > }; > MODULE_ALIAS_FS("xfs"); > > diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c > index 1f43fd7f3209..77c8ea3229f1 100644 > --- a/fs/xfs/xfs_symlink.c > +++ b/fs/xfs/xfs_symlink.c > @@ -134,6 +134,7 @@ xfs_readlink( > > int > xfs_symlink( > + struct user_namespace *mnt_userns, > struct xfs_inode *dp, > struct xfs_name *link_name, > const char *target_path, > @@ -223,8 +224,8 @@ xfs_symlink( > /* > * Allocate an inode for the symlink. > */ > - error = xfs_dir_ialloc(&tp, dp, S_IFLNK | (mode & ~S_IFMT), 1, 0, > - prid, &ip); > + error = xfs_dir_ialloc(mnt_userns, &tp, dp, S_IFLNK | (mode & ~S_IFMT), > + 1, 0, prid, &ip); > if (error) > goto out_trans_cancel; > > diff --git a/fs/xfs/xfs_symlink.h b/fs/xfs/xfs_symlink.h > index b1fa091427e6..2586b7e393f3 100644 > --- a/fs/xfs/xfs_symlink.h > +++ b/fs/xfs/xfs_symlink.h > @@ -7,8 +7,9 @@ > > /* Kernel only symlink definitions */ > > -int xfs_symlink(struct xfs_inode *dp, struct xfs_name *link_name, > - const char *target_path, umode_t mode, struct xfs_inode **ipp); > +int xfs_symlink(struct user_namespace *mnt_userns, struct xfs_inode *dp, > + struct xfs_name *link_name, const char *target_path, > + umode_t mode, struct xfs_inode **ipp); > int xfs_readlink_bmap_ilocked(struct xfs_inode *ip, char *link); > int xfs_readlink(struct xfs_inode *ip, char *link); > int xfs_inactive_symlink(struct xfs_inode *ip); > -- > 2.30.0 >
next prev parent reply other threads:[~2021-03-01 20:05 UTC|newest] Thread overview: 163+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-01-21 13:19 [PATCH v6 00/40] idmapped mounts Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 01/40] mount: attach mappings to mounts Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 02/40] fs: add id translation helpers Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-03-13 0:05 ` Vivek Goyal 2021-03-13 0:05 ` Vivek Goyal 2021-03-13 14:31 ` Christian Brauner 2021-03-14 22:02 ` Vivek Goyal 2021-03-15 8:40 ` Christoph Hellwig 2021-01-21 13:19 ` [PATCH v6 03/40] fs: add file and path permissions helpers Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 2:55 ` James Morris 2021-01-22 2:55 ` James Morris 2021-01-21 13:19 ` [PATCH v6 04/40] capability: handle idmapped mounts Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 2:57 ` James Morris 2021-01-22 2:57 ` James Morris 2021-01-21 13:19 ` [PATCH v6 05/39] namei: make permission helpers idmapped mount aware Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 3:02 ` James Morris 2021-01-22 3:02 ` James Morris 2021-01-22 22:26 ` J. Bruce Fields 2021-01-22 22:26 ` J. Bruce Fields 2021-01-23 13:09 ` Christian Brauner 2021-01-23 13:09 ` Christian Brauner 2021-01-24 22:18 ` J. Bruce Fields 2021-01-24 22:18 ` J. Bruce Fields 2021-01-24 22:44 ` Christian Brauner 2021-01-24 22:44 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 06/40] inode: make init and " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 3:10 ` James Morris 2021-01-22 3:10 ` James Morris 2021-01-21 13:19 ` [PATCH v6 07/40] attr: handle idmapped mounts Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 08/40] acl: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 09/40] xattr: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 3:21 ` James Morris 2021-01-22 3:21 ` James Morris 2021-01-21 13:19 ` [PATCH v6 10/40] commoncap: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 3:27 ` James Morris 2021-01-22 3:27 ` James Morris 2021-01-21 13:19 ` [PATCH v6 11/40] stat: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 3:28 ` James Morris 2021-01-22 3:28 ` James Morris 2021-01-21 13:19 ` [PATCH v6 12/40] namei: handle idmapped mounts in may_*() helpers Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 3:47 ` James Morris 2021-01-22 3:47 ` James Morris 2021-01-21 13:19 ` [PATCH v6 13/40] namei: introduce struct renamedata Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 14/40] namei: prepare for idmapped mounts Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 15/40] open: handle idmapped mounts in do_truncate() Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 17:20 ` Christoph Hellwig 2021-01-22 17:20 ` Christoph Hellwig 2021-01-21 13:19 ` [PATCH v6 16/40] open: handle idmapped mounts Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 4:14 ` James Morris 2021-01-22 4:14 ` James Morris 2021-01-22 17:21 ` Christoph Hellwig 2021-01-22 17:21 ` Christoph Hellwig 2021-01-21 13:19 ` [PATCH v6 17/40] af_unix: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 4:14 ` James Morris 2021-01-22 4:14 ` James Morris 2021-01-21 13:19 ` [PATCH v6 18/40] utimes: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 4:15 ` James Morris 2021-01-22 4:15 ` James Morris 2021-01-21 13:19 ` [PATCH v6 19/40] fcntl: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 4:17 ` James Morris 2021-01-22 4:17 ` James Morris 2021-01-21 13:19 ` [PATCH v6 20/40] init: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 17:23 ` Christoph Hellwig 2021-01-22 17:23 ` Christoph Hellwig 2021-01-21 13:19 ` [PATCH v6 21/40] ioctl: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 4:33 ` James Morris 2021-01-22 4:33 ` James Morris 2021-01-21 13:19 ` [PATCH v6 22/40] would_dump: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 23/40] exec: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 4:35 ` James Morris 2021-01-22 4:35 ` James Morris 2021-01-25 16:39 ` Eric W. Biederman 2021-01-25 16:39 ` Eric W. Biederman 2021-01-25 16:44 ` Christian Brauner 2021-01-25 16:44 ` Christian Brauner 2021-01-25 17:03 ` Serge E. Hallyn 2021-01-25 17:03 ` Serge E. Hallyn 2021-01-25 17:06 ` Christian Brauner 2021-01-25 17:06 ` Christian Brauner 2021-01-27 5:50 ` Serge E. Hallyn 2021-01-27 5:50 ` Serge E. Hallyn 2021-01-21 13:19 ` [PATCH v6 24/40] fs: make helpers idmap mount aware Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 25/40] apparmor: handle idmapped mounts Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 26/39] ima: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 27/40] ecryptfs: do not mount on top of " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 4:37 ` James Morris 2021-01-22 4:37 ` James Morris 2021-01-21 13:19 ` [PATCH v6 28/40] overlayfs: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 4:38 ` James Morris 2021-01-22 4:38 ` James Morris 2021-01-21 13:19 ` [PATCH v6 29/40] namespace: take lock_mount_hash() directly when changing flags Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 30/40] mount: make {lock,unlock}_mount_hash() static Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 31/40] namespace: only take read lock in do_reconfigure_mnt() Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 32/40] fs: split out functions to hold writers Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 33/40] fs: add attr_flags_to_mnt_flags helper Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 34/40] fs: add mount_setattr() Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 35/40] fs: introduce MOUNT_ATTR_IDMAP Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-22 17:33 ` Christoph Hellwig 2021-01-22 17:33 ` Christoph Hellwig 2021-01-22 17:34 ` Christoph Hellwig 2021-01-22 17:34 ` Christoph Hellwig 2021-01-21 13:19 ` [PATCH v6 36/40] tests: add mount_setattr() selftests Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 37/40] fat: handle idmapped mounts Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 38/40] ext4: support " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-21 13:19 ` [PATCH v6 39/40] xfs: " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-03-01 20:05 ` Darrick J. Wong [this message] 2021-03-01 20:05 ` Darrick J. Wong 2021-03-01 20:46 ` Christian Brauner 2021-03-01 20:46 ` Christian Brauner 2021-03-03 7:01 ` Christoph Hellwig 2021-03-03 7:01 ` Christoph Hellwig 2021-01-21 13:19 ` [PATCH v6 40/40] generic/622: add fstests for " Christian Brauner 2021-01-21 13:19 ` Christian Brauner 2021-01-27 5:40 ` [PATCH v6 00/40] " Serge E. Hallyn 2021-01-27 5:40 ` Serge E. Hallyn 2021-03-03 13:24 ` [PATCH v6 09/40] xattr: handle " David Howells 2021-03-03 13:24 ` David Howells 2021-03-03 14:05 ` Christian Brauner 2021-03-03 14:05 ` Christian Brauner 2021-03-03 14:45 ` David Howells 2021-03-03 14:45 ` David Howells 2021-03-03 16:15 ` Christian Brauner 2021-03-03 16:15 ` Christian Brauner
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