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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2019-10-09 09:37:35 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2019-10-09 09:40:15 +0200 |
| commit | 9f3af6b8c88fe59eb8e7fdfe15e7861535aa94e1 (patch) | |
| tree | 9b75dd4a117abea29b31b39b52c5d05f5d62eb4b /man2/pivot_root.2 | |
| parent | b27d444f347bdc0146980a3db76428f82b391ba1 (diff) | |
| download | man-pages-9f3af6b8c88fe59eb8e7fdfe15e7861535aa94e1.tar.gz | |
pivot_root.2: Simplify discussion of restrictions for 'new_root'
Philipp Wendler noted that the text on the restrictions for
'new_root' was slightly contradictory, and things could be
clarified and simplified by describing the restrictions on
'new_root' in one place.
Reported-by: Philipp Wendler <ml@philippwendler.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man2/pivot_root.2')
| -rw-r--r-- | man2/pivot_root.2 | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/man2/pivot_root.2 b/man2/pivot_root.2 index 7b91dbc147..2317c055fb 100644 --- a/man2/pivot_root.2 +++ b/man2/pivot_root.2 @@ -72,13 +72,8 @@ and .IR put_old must be directories. .IP \- -\fInew_root\fP and \fIput_old\fP must not be on the same filesystem as +\fIput_old\fP must not be on the same filesystem as the current root. -In particular, -.IR new_root -can't be -.IR """/""" -(but can be a bind mounted directory on the current root filesystem). .IP \- \fIput_old\fP must be at or underneath \fInew_root\fP; that is, adding a nonnegative @@ -86,10 +81,13 @@ number of \fI/..\fP to the string pointed to by \fIput_old\fP must yield the same directory as \fInew_root\fP. .IP \- .I new_root -must be a mount point. -(If it is not otherwise a mount point, it suffices to bind mount +must be a mount point, but can't be +.IR """/""" . +If it is not otherwise a mount point, it suffices to bind mount .I new_root -on top of itself.) +on top of itself. +.RI ( new_root +can be a bind mounted directory on the current root filesystem.) .IP \- The propagation type of the parent mount of .IR new_root |