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Merge pull request #2939 from bjne/read_only_bindmount

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dont create bind-mount target when it exists
This commit is contained in:
Lennart Poettering 2016-04-01 18:25:34 +02:00
commit 2685875eb1
1 changed files with 12 additions and 11 deletions
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23
src/nspawn/nspawn-mount.c
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@ -438,21 +438,22 @@ static int mount_bind(const char *dest, CustomMount *m) {
r = mkdir_parents_label(where, 0755); r = mkdir_parents_label(where, 0755);
if (r < 0) if (r < 0)
return log_error_errno(r, "Failed to make parents of %s: %m", where); return log_error_errno(r, "Failed to make parents of %s: %m", where);
/* Create the mount point. Any non-directory file can be
* mounted on any non-directory file (regular, fifo, socket,
* char, block).
*/
if (S_ISDIR(source_st.st_mode))
r = mkdir_label(where, 0755);
else
r = touch(where);
if (r < 0)
return log_error_errno(r, "Failed to create mount point %s: %m", where);
} else { } else {
return log_error_errno(errno, "Failed to stat %s: %m", where); return log_error_errno(errno, "Failed to stat %s: %m", where);
} }
/* Create the mount point. Any non-directory file can be
* mounted on any non-directory file (regular, fifo, socket,
* char, block).
*/
if (S_ISDIR(source_st.st_mode))
r = mkdir_label(where, 0755);
else
r = touch(where);
if (r < 0 && r != -EEXIST)
return log_error_errno(r, "Failed to create mount point %s: %m", where);
if (mount(m->source, where, NULL, mount_flags, mount_opts) < 0) if (mount(m->source, where, NULL, mount_flags, mount_opts) < 0)
return log_error_errno(errno, "mount(%s) failed: %m", where); return log_error_errno(errno, "mount(%s) failed: %m", where);