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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Song Liu <song@kernel.org>, Hans de Goede <hdegoede@redhat.com>,
	Richard Weinberger <richard@nod.at>,
	Minchan Kim <minchan@kernel.org>,
	linux-mtd@lists.infradead.org, dm-devel@redhat.com,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	drbd-dev@lists.linbit.com, linux-raid@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	cgroups@vger.kernel.org
Subject: [PATCH 01/14] fs: remove the unused SB_I_MULTIROOT flag
Date: Wed, 22 Jul 2020 08:25:39 +0200	[thread overview]
Message-ID: <20200722062552.212200-2-hch@lst.de> (raw)
In-Reply-To: <20200722062552.212200-1-hch@lst.de>

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/namei.c         | 4 ++--
 include/linux/fs.h | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index 72d4219c93acb7..e9ff0d54a110a7 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -568,8 +568,8 @@ static bool path_connected(struct vfsmount *mnt, struct dentry *dentry)
 {
 	struct super_block *sb = mnt->mnt_sb;
 
-	/* Bind mounts and multi-root filesystems can have disconnected paths */
-	if (!(sb->s_iflags & SB_I_MULTIROOT) && (mnt->mnt_root == sb->s_root))
+	/* Bind mounts can have disconnected paths */
+	if (mnt->mnt_root == sb->s_root)
 		return true;
 
 	return is_subdir(dentry, mnt->mnt_root);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 41cd993ec0f686..236543605dd118 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1366,7 +1366,6 @@ extern int send_sigurg(struct fown_struct *fown);
 #define SB_I_CGROUPWB	0x00000001	/* cgroup-aware writeback enabled */
 #define SB_I_NOEXEC	0x00000002	/* Ignore executables on this fs */
 #define SB_I_NODEV	0x00000004	/* Ignore devices on this fs */
-#define SB_I_MULTIROOT	0x00000008	/* Multiple roots to the dentry tree */
 
 /* sb->s_iflags to limit user namespace mounts */
 #define SB_I_USERNS_VISIBLE		0x00000010 /* fstype already mounted */
-- 
2.27.0

WARNING: multiple messages have this Message-ID

From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-raid@vger.kernel.org, Hans de Goede <hdegoede@redhat.com>,
	Minchan Kim <minchan@kernel.org>,
	Richard Weinberger <richard@nod.at>,
	linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
	Song Liu <song@kernel.org>,
	dm-devel@redhat.com, linux-mtd@lists.infradead.org,
	linux-fsdevel@vger.kernel.org, cgroups@vger.kernel.org,
	linux-mm@kvack.org, drbd-dev@lists.linbit.com
Subject: [PATCH 01/14] fs: remove the unused SB_I_MULTIROOT flag
Date: Wed, 22 Jul 2020 08:25:39 +0200	[thread overview]
Message-ID: <20200722062552.212200-2-hch@lst.de> (raw)
In-Reply-To: <20200722062552.212200-1-hch@lst.de>

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/namei.c         | 4 ++--
 include/linux/fs.h | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index 72d4219c93acb7..e9ff0d54a110a7 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -568,8 +568,8 @@ static bool path_connected(struct vfsmount *mnt, struct dentry *dentry)
 {
 	struct super_block *sb = mnt->mnt_sb;
 
-	/* Bind mounts and multi-root filesystems can have disconnected paths */
-	if (!(sb->s_iflags & SB_I_MULTIROOT) && (mnt->mnt_root == sb->s_root))
+	/* Bind mounts can have disconnected paths */
+	if (mnt->mnt_root == sb->s_root)
 		return true;
 
 	return is_subdir(dentry, mnt->mnt_root);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 41cd993ec0f686..236543605dd118 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1366,7 +1366,6 @@ extern int send_sigurg(struct fown_struct *fown);
 #define SB_I_CGROUPWB	0x00000001	/* cgroup-aware writeback enabled */
 #define SB_I_NOEXEC	0x00000002	/* Ignore executables on this fs */
 #define SB_I_NODEV	0x00000004	/* Ignore devices on this fs */
-#define SB_I_MULTIROOT	0x00000008	/* Multiple roots to the dentry tree */
 
 /* sb->s_iflags to limit user namespace mounts */
 #define SB_I_USERNS_VISIBLE		0x00000010 /* fstype already mounted */
-- 
2.27.0


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  reply	other threads:[~2020-07-22  6:25 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-22  6:25 bdi cleanups v2 Christoph Hellwig
2020-07-22  6:25 ` Christoph Hellwig
2020-07-22  6:25 ` Christoph Hellwig [this message]
2020-07-22  6:25   ` [PATCH 01/14] fs: remove the unused SB_I_MULTIROOT flag Christoph Hellwig
2020-07-22  6:54   ` Johannes Thumshirn
2020-07-22  6:54     ` Johannes Thumshirn
2020-07-22  6:25 ` [PATCH 02/14] drbd: remove dead code in device_to_statistics Christoph Hellwig
2020-07-22  6:25   ` Christoph Hellwig
2020-07-22  7:03   ` Johannes Thumshirn
2020-07-22  7:03     ` Johannes Thumshirn
     [not found]     ` <SN4PR0401MB3598495DA5AF46CAF019BDC69B790-OZENnpeWoeG1GMmP3NTBp/nBZW37Ciw+nBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2020-07-22  7:07       ` Christoph Hellwig
2020-07-22  7:07         ` Christoph Hellwig
2020-07-22  7:07         ` Christoph Hellwig
2020-07-22  7:14         ` Johannes Thumshirn
2020-07-22  7:14           ` Johannes Thumshirn
2020-07-22  7:14           ` Johannes Thumshirn
2020-07-22  6:25 ` [PATCH 04/14] bdi: initialize ->ra_pages in bdi_init Christoph Hellwig
2020-07-22  6:25   ` Christoph Hellwig
     [not found]   ` <20200722062552.212200-5-hch-jcswGhMUV9g@public.gmane.org>
2020-07-22  9:04     ` David Sterba
2020-07-22  9:04       ` David Sterba
2020-07-22  9:04       ` David Sterba
2020-07-22 11:15   ` Richard Weinberger
2020-07-22 11:15     ` Richard Weinberger
2020-07-22 11:15     ` Richard Weinberger
2020-07-22  6:25 ` [PATCH 05/14] md: update the optimal I/O size on reshape Christoph Hellwig
2020-07-22  6:25   ` Christoph Hellwig
2020-07-22  6:25 ` [PATCH 06/14] block: lift setting the readahead size into the block layer Christoph Hellwig
2020-07-22  6:25   ` Christoph Hellwig
2020-07-22  7:13   ` Johannes Thumshirn
2020-07-22  7:13     ` Johannes Thumshirn
2020-07-22  7:13     ` Johannes Thumshirn
     [not found]     ` <SN4PR0401MB3598470B14C754768A2D8F389B790-OZENnpeWoeG1GMmP3NTBp/nBZW37Ciw+nBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2020-07-22  7:18       ` Christoph Hellwig
2020-07-22  7:18         ` Christoph Hellwig
2020-07-22  7:18         ` Christoph Hellwig
2020-07-22  6:25 ` [PATCH 07/14] block: make QUEUE_SYSFS_BIT_FNS a little more useful Christoph Hellwig
2020-07-22  6:25   ` Christoph Hellwig
2020-07-22  7:17   ` Johannes Thumshirn
2020-07-22  7:17     ` Johannes Thumshirn
2020-07-22  6:25 ` [PATCH 08/14] block: add helper macros for queue sysfs entries Christoph Hellwig
2020-07-22  6:25   ` Christoph Hellwig
2020-07-22  7:20   ` Johannes Thumshirn
2020-07-22  7:20     ` Johannes Thumshirn
2020-07-22  6:25 ` [PATCH 09/14] bdi: remove BDI_CAP_CGROUP_WRITEBACK Christoph Hellwig
2020-07-22  6:25   ` Christoph Hellwig
2020-07-22  7:45   ` Johannes Thumshirn
2020-07-22  7:45     ` Johannes Thumshirn
2020-07-26  9:01     ` Wols Lists
2020-07-26  9:01       ` Wols Lists
2020-07-22  6:25 ` [PATCH 10/14] bdi: remove BDI_CAP_SYNCHRONOUS_IO Christoph Hellwig
2020-07-22  6:25   ` Christoph Hellwig
2020-07-22  6:25 ` [PATCH 11/14] mm: use SWP_SYNCHRONOUS_IO more intelligently Christoph Hellwig
2020-07-22  6:25   ` Christoph Hellwig
2020-07-22 16:26   ` Shakeel Butt
2020-07-22 16:26     ` Shakeel Butt
2020-07-22 16:26     ` Shakeel Butt
2020-07-22  6:25 ` [PATCH 12/14] bdi: replace BDI_CAP_STABLE_WRITES with a queue and a sb flag Christoph Hellwig
2020-07-22  6:25   ` Christoph Hellwig
2020-07-22  6:25 ` [PATCH 13/14] bdi: invert BDI_CAP_NO_ACCT_WB Christoph Hellwig
2020-07-22  6:25   ` Christoph Hellwig
     [not found] ` <20200722062552.212200-1-hch-jcswGhMUV9g@public.gmane.org>
2020-07-22  6:25   ` [PATCH 03/14] drbd: remove RB_CONGESTED_REMOTE Christoph Hellwig
2020-07-22  6:25     ` Christoph Hellwig
2020-07-22  6:25     ` Christoph Hellwig
2020-07-22  7:06     ` Johannes Thumshirn
2020-07-22  7:06       ` Johannes Thumshirn
2020-07-22  7:06       ` Johannes Thumshirn
2020-07-22  6:25   ` [PATCH 14/14] bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag Christoph Hellwig
2020-07-22  6:25     ` [PATCH 14/14] bdi: replace BDI_CAP_NO_{WRITEBACK, ACCT_DIRTY} " Christoph Hellwig
2020-07-22  6:25     ` [PATCH 14/14] bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} " Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2020-07-26 15:03 bdi cleanups v3 Christoph Hellwig
2020-07-26 15:03 ` [PATCH 01/14] fs: remove the unused SB_I_MULTIROOT flag Christoph Hellwig
2020-07-26 15:03   ` Christoph Hellwig
2020-07-24  7:32 bdi cleanups v3 Christoph Hellwig
2020-07-24  7:33 ` [PATCH 01/14] fs: remove the unused SB_I_MULTIROOT flag Christoph Hellwig
2020-07-24  7:33   ` Christoph Hellwig
2020-07-20  7:51 bdi cleanups Christoph Hellwig
2020-07-20  7:51 ` [PATCH 01/14] fs: remove the unused SB_I_MULTIROOT flag Christoph Hellwig
2020-07-20  7:51   ` Christoph Hellwig

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