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Documentation: sharedsubtree: Format remaining of shell snippets as literal code blcoks

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Fix formatting inconsistency of shell snippets by wrapping the remaining
of them in literal code blocks.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250819061254.31220-2-bagasdotme@gmail.com
This commit is contained in:
Bagas Sanjaya
2025-08-19 13:12:49 +07:00
committed by Jonathan Corbet
parent 7d1c5e52ec
commit 69c6739d67
1 changed files with 37 additions and 31 deletions
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68
Documentation/filesystems/sharedsubtree.rst
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@@ -90,37 +90,42 @@ replicas continue to be exactly same.
Here is an example:
Let's say /mnt has a mount which is shared.
# mount --make-shared /mnt
Let's say /mnt has a mount which is shared::
Let's bind mount /mnt to /tmp
# mount --bind /mnt /tmp
# mount --make-shared /mnt
Let's bind mount /mnt to /tmp::
# mount --bind /mnt /tmp
the new mount at /tmp becomes a shared mount and it is a replica of
the mount at /mnt.
Now let's make the mount at /tmp; a slave of /mnt
# mount --make-slave /tmp
Now let's make the mount at /tmp; a slave of /mnt::
let's mount /dev/sd0 on /mnt/a
# mount /dev/sd0 /mnt/a
# mount --make-slave /tmp
#ls /mnt/a
t1 t2 t3
let's mount /dev/sd0 on /mnt/a::
#ls /tmp/a
t1 t2 t3
# mount /dev/sd0 /mnt/a
# ls /mnt/a
t1 t2 t3
# ls /tmp/a
t1 t2 t3
Note the mount event has propagated to the mount at /tmp
However let's see what happens if we mount something on the mount at /tmp
However let's see what happens if we mount something on the mount at
/tmp::
# mount /dev/sd1 /tmp/b
# mount /dev/sd1 /tmp/b
#ls /tmp/b
s1 s2 s3
# ls /tmp/b
s1 s2 s3
#ls /mnt/b
# ls /mnt/b
Note how the mount event has not propagated to the mount at
/mnt
@@ -137,7 +142,7 @@ replicas continue to be exactly same.
# mount --make-unbindable /mnt
Let's try to bind mount this mount somewhere else::
Let's try to bind mount this mount somewhere else::
# mount --bind /mnt /tmp
mount: wrong fs type, bad option, bad superblock on /mnt,
@@ -471,9 +476,9 @@ replicas continue to be exactly same.
5d) Move semantics
Consider the following command
Consider the following command::
mount --move A B/b
mount --move A B/b
where 'A' is the source mount, 'B' is the destination mount and 'b' is
the dentry in the destination mount.
@@ -663,9 +668,9 @@ replicas continue to be exactly same.
'B' is the slave of 'A' and 'C' is a slave of 'B'
A -> B -> C
at this point if we execute the following command
at this point if we execute the following command::
mount --bind /bin /tmp/test
mount --bind /bin /tmp/test
The mount is attempted on 'A'
@@ -706,8 +711,8 @@ replicas continue to be exactly same.
/ \
tmp usr
And we want to replicate the tree at multiple
mountpoints under /root/tmp
And we want to replicate the tree at multiple
mountpoints under /root/tmp
step 2:
::
@@ -731,7 +736,7 @@ replicas continue to be exactly same.
/
m1
it has two vfsmounts
it has two vfsmounts
step 3:
::
@@ -739,7 +744,7 @@ replicas continue to be exactly same.
mkdir -p /tmp/m2
mount --rbind /root /tmp/m2
the new tree now looks like this::
the new tree now looks like this::
root
/ \
@@ -759,14 +764,15 @@ replicas continue to be exactly same.
/ \
m1 m2
it has 6 vfsmounts
it has 6 vfsmounts
step 4:
::
::
mkdir -p /tmp/m3
mount --rbind /root /tmp/m3
I won't draw the tree..but it has 24 vfsmounts
I won't draw the tree..but it has 24 vfsmounts
at step i the number of vfsmounts is V[i] = i*V[i-1].
@@ -785,8 +791,8 @@ replicas continue to be exactly same.
/ \
tmp usr
How do we set up the same tree at multiple locations under
/root/tmp
How do we set up the same tree at multiple locations under
/root/tmp
step 2:
::