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repart: Take configured minimum and maximum size into account for Minimize=

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- Let's check if the minimum size we got is larger than the configured
maximum partition size and fail early if it is.
- Let's make sure for writable filesystems that we make the minimal
filesystem at least as large as the minimum partition size, to allow
creating minimal filesystems with a minimum size.
This commit is contained in:
Daan De Meyer 2024-11-23 11:36:54 +01:00
parent 12c29e5b3a
commit d218ecc733
1 changed files with 11 additions and 2 deletions
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13
src/repart/repart.c
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@ -7625,6 +7625,11 @@ static int context_minimize(Context *context) {
if (fstat(fd, &st) < 0)
return log_error_errno(errno, "Failed to stat temporary file: %m");
if ((uint64_t) st.st_size > partition_max_size(context, p))
return log_error_errno(SYNTHETIC_ERRNO(E2BIG),
"Minimal partition size of %s filesystem of partition %s exceeds configured maximum size (%s > %s)",
p->format, strna(hint), FORMAT_BYTES(st.st_size), FORMAT_BYTES(partition_max_size(context, p)));
log_info("Minimal partition size of %s filesystem of partition %s is %s",
p->format, strna(hint), FORMAT_BYTES(st.st_size));
@ -7661,8 +7666,12 @@ static int context_minimize(Context *context) {
* fool-proof. */
uint64_t heuristic = streq(p->format, "xfs") ? fsz : fsz / 2;
fsz = round_up_size(fsz + heuristic, context->grain_size);
if (minimal_size_by_fs_name(p->format) != UINT64_MAX)
fsz = MAX(minimal_size_by_fs_name(p->format), fsz);
fsz = MAX(partition_min_size(context, p), fsz);
if (fsz > partition_max_size(context, p))
return log_error_errno(SYNTHETIC_ERRNO(E2BIG),
"Minimal partition size of %s filesystem of partition %s exceeds configured maximum size (%s > %s)",
p->format, strna(hint), FORMAT_BYTES(fsz), FORMAT_BYTES(partition_max_size(context, p)));
log_info("Minimal partition size of %s filesystem of partition %s is %s",
p->format, strna(hint), FORMAT_BYTES(fsz));