xfsprogs/xfsprogs-5.19.0-mkfs-tolerate-tiny-filesystems.patch

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From 17b691400e8ce0755bb1d7a33490fbc014067e5e Mon Sep 17 00:00:00 2001
From: Pavel Reichl <preichl@redhat.com>
Date: Fri, 27 Jan 2023 06:30:20 +0100
Subject: [PATCH] mkfs: tolerate tiny filesystems
Signed-off-by: Pavel Reichl <preichl@redhat.com>
---
man/man8/mkfs.xfs.8.in | 4 ++--
mkfs/xfs_mkfs.c | 23 ++++++++++++++---------
2 files changed, 16 insertions(+), 11 deletions(-)
diff --git a/man/man8/mkfs.xfs.8.in b/man/man8/mkfs.xfs.8.in
index 211e7b0c..03f0fda8 100644
--- a/man/man8/mkfs.xfs.8.in
+++ b/man/man8/mkfs.xfs.8.in
@@ -405,7 +405,7 @@ is required if
is given. Otherwise, it is only needed if the filesystem should occupy
less space than the size of the special file.
-The data section must be at least 300MB in size.
+The data section should be at least 300MB in size.
.TP
.BI sunit= value
This is used to specify the stripe unit for a RAID device or a
@@ -705,7 +705,7 @@ described above. The overriding minimum value for size is 512 blocks.
With some combinations of filesystem block size, inode size,
and directory block size, the minimum log size is larger than 512 blocks.
-The log must be at least 64MB in size.
+The log should be at least 64MB in size.
The log cannot be more than 2GB in size.
.TP
.BI version= value
diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index 9dd0e79c..72c906d6 100644
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -2503,6 +2503,8 @@ validate_supported(
struct xfs_mount *mp,
struct cli_params *cli)
{
+ bool deprecated = false;
+
/* Undocumented option to enable unsupported tiny filesystems. */
if (!cli->is_supported) {
printf(
@@ -2532,9 +2534,8 @@ validate_supported(
* 64MB * (8 / 7) * 4 = 293MB
*/
if (mp->m_sb.sb_dblocks < MEGABYTES(300, mp->m_sb.sb_blocklog)) {
- fprintf(stderr,
- _("Filesystem must be larger than 300MB.\n"));
- usage();
+ printf(_("Filesystem should be larger than 300MB.\n"));
+ deprecated = true;
}
/*
@@ -2543,9 +2544,8 @@ validate_supported(
*/
if (mp->m_sb.sb_logblocks <
XFS_MIN_REALISTIC_LOG_BLOCKS(mp->m_sb.sb_blocklog)) {
- fprintf(stderr,
- _("Log size must be at least 64MB.\n"));
- usage();
+ printf( _("Log size should be at least 64MB.\n"));
+ deprecated = true;
}
/*
@@ -2553,9 +2553,14 @@ validate_supported(
* have redundant superblocks.
*/
if (mp->m_sb.sb_agcount < 2) {
- fprintf(stderr,
- _("Filesystem must have at least 2 superblocks for redundancy!\n"));
- usage();
+ printf(
+ _("Filesystem should have at least 2 superblocks for redundancy!\n"));
+ deprecated = true;
+ }
+
+ if (deprecated) {
+ printf(
+_("Support for filesystems like this one is deprecated and they will not be supported in future releases.\n"));
}
}
--
2.39.1