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[Concept,01/12] linux: capability: Add CAP_SYS_ADMIN constant

Message ID 20260118133734.1.43fe56acdae41c342827df414f82a1d09f6b393c@changeid
State New
Headers
Series ext4l: Continue reducing ext4_uboot.h size with more headers |

Commit Message

Simon Glass Jan. 18, 2026, 8:37 p.m. UTC 
  From: Simon Glass <simon.glass@canonical.com>

Add CAP_SYS_ADMIN to capability.h and update ext4_uboot.h to use
the header instead of duplicating the capability definitions.

Co-developed-by: Claude Opus 4.5 <noreply@anthropic.com>
Signed-off-by: Simon Glass <simon.glass@canonical.com>

---

 fs/ext4l/ext4_uboot.h      | 8 +++-----
 include/linux/capability.h | 1 +
 2 files changed, 4 insertions(+), 5 deletions(-)
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Patch

diff --git a/fs/ext4l/ext4_uboot.h b/fs/ext4l/ext4_uboot.h
index a4baac6fc86..80a1c5c6bc9 100644
--- a/fs/ext4l/ext4_uboot.h
+++ b/fs/ext4l/ext4_uboot.h
@@ -138,6 +138,9 @@  typedef struct { unsigned int val; } kprojid_t;
 #define __GFP_MOVABLE	0
 #define __GFP_FS	0
 
+/* Capabilities - use linux/capability.h */
+#include <linux/capability.h>
+
 /* FIEMAP extent flags */
 #define FIEMAP_EXTENT_LAST		0x00000001
 #define FIEMAP_EXTENT_UNKNOWN		0x00000002
@@ -198,11 +201,6 @@  struct fiemap_extent_info {
 	void *fi_extents_start;
 };
 
-/* Capabilities - stubs (always allow) */
-#define CAP_SYS_ADMIN		0
-#define CAP_SYS_RESOURCE	0
-#define capable(cap)		(1)
-
 /* fscrypt_str, qstr are now in ext4_fscrypt.h */
 
 /* percpu rw semaphore is in linux/percpu.h */
diff --git a/include/linux/capability.h b/include/linux/capability.h
index 1192c8a4033..5f402de52e9 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -12,6 +12,7 @@ 
 #ifndef _LINUX_CAPABILITY_H
 #define _LINUX_CAPABILITY_H
 
+#define CAP_SYS_ADMIN		21
 #define CAP_SYS_RESOURCE	24
 
 static inline bool capable(int cap)