diff mbox

[v4,4/5] fs/ext2: Add BR2_TARGET_ROOTFS_EXT2_FEATURES option

Message ID 20170704112120.27977-5-s.martin49@gmail.com
State Superseded
Headers show

Commit Message

Samuel Martin July 4, 2017, 11:21 a.m. UTC 
From: Sébastien Szymanski <sebastien.szymanski@armadeus.com>

This option lets the user specify ext2/3/4 features.

Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Cc: "Yann E. MORIN" <yann.morin.1998@free.fr>

---
changes v3->v4:
- none

changes v2->v3:
- none

changes v1->v2:
- rebase
---
 fs/ext2/Config.in | 10 ++++++++++
 fs/ext2/ext2.mk   |  5 ++++-
 2 files changed, 14 insertions(+), 1 deletion(-)
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Patch

diff --git a/fs/ext2/Config.in b/fs/ext2/Config.in
index 1fc3ac9de7..1841bfaa90 100644
--- a/fs/ext2/Config.in
+++ b/fs/ext2/Config.in
@@ -89,6 +89,16 @@  config BR2_TARGET_ROOTFS_EXT2_RESBLKS
 	  Traditionally, this has been 5%, and all ext-related tools still
 	  default to reserving 5% when creating a new ext filesystem.
 
+config BR2_TARGET_ROOTFS_EXT2_FEATURES
+	string "Filesystem features"
+	default "^64bit"
+	help
+	  Specify a comma-separated list of ext2/3/4 features.
+	  For more information about this option, see the mkefs' -O option in
+	  the manual page mke2fs(8).
+	  For more information about the features which can be set, see then
+	  manual page ext4(5).
+
 choice
 	prompt "Compression method"
 	default BR2_TARGET_ROOTFS_EXT2_NONE
diff --git a/fs/ext2/ext2.mk b/fs/ext2/ext2.mk
index de87efba63..1c0d34cd4f 100644
--- a/fs/ext2/ext2.mk
+++ b/fs/ext2/ext2.mk
@@ -9,6 +9,8 @@  ifeq ($(BR2_TARGET_ROOTFS_EXT)-$(EXT2_SIZE),y-)
 $(error BR2_TARGET_ROOTFS_EXT2_SIZE cannot be empty)
 endif
 
+EXT2_FEATURES = $(call qstrip,$(BR2_TARGET_ROOTFS_EXT2_FEATURES))
+
 # qstrip results in stripping consecutive spaces into a single one. So the
 # variable is not qstrip-ed to preserve the integrity of the string value.
 EXT2_LABEL := $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_LABEL))
@@ -20,7 +22,8 @@  EXT2_OPTS = \
 	-b $(BR2_TARGET_ROOTFS_EXT2_BLOCK_SIZE) \
 	-N $(BR2_TARGET_ROOTFS_EXT2_INODES) \
 	-m $(BR2_TARGET_ROOTFS_EXT2_RESBLKS) \
-	-L "$(EXT2_LABEL)"
+	-L "$(EXT2_LABEL)" \
+	$(if $(EXT2_FEATURES),-O "$(EXT2_FEATURES)")
 
 ROOTFS_EXT2_DEPENDENCIES = host-e2fsprogs