hc
2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29
kernel/include/uapi/linux/stat.h
....@@ -123,7 +123,10 @@
123123 __u32 stx_dev_major; /* ID of device containing file [uncond] */
124124 __u32 stx_dev_minor;
125125 /* 0x90 */
126
- __u64 __spare2[14]; /* Spare space for future expansion */
126
+ __u64 stx_mnt_id;
127
+ __u64 __spare2;
128
+ /* 0xa0 */
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+ __u64 __spare3[12]; /* Spare space for future expansion */
127130 /* 0x100 */
128131 };
129132
....@@ -148,8 +151,18 @@
148151 #define STATX_BLOCKS 0x00000400U /* Want/got stx_blocks */
149152 #define STATX_BASIC_STATS 0x000007ffU /* The stuff in the normal stat struct */
150153 #define STATX_BTIME 0x00000800U /* Want/got stx_btime */
151
-#define STATX_ALL 0x00000fffU /* All currently supported flags */
154
+#define STATX_MNT_ID 0x00001000U /* Got stx_mnt_id */
155
+
152156 #define STATX__RESERVED 0x80000000U /* Reserved for future struct statx expansion */
157
+
158
+#ifndef __KERNEL__
159
+/*
160
+ * This is deprecated, and shall remain the same value in the future. To avoid
161
+ * confusion please use the equivalent (STATX_BASIC_STATS | STATX_BTIME)
162
+ * instead.
163
+ */
164
+#define STATX_ALL 0x00000fffU
165
+#endif
153166
154167 /*
155168 * Attributes to be found in stx_attributes and masked in stx_attributes_mask.
....@@ -158,9 +171,12 @@
158171 * be of use to ordinary userspace programs such as GUIs or ls rather than
159172 * specialised tools.
160173 *
161
- * Note that the flags marked [I] correspond to generic FS_IOC_FLAGS
174
+ * Note that the flags marked [I] correspond to the FS_IOC_SETFLAGS flags
162175 * semantically. Where possible, the numerical value is picked to correspond
163
- * also.
176
+ * also. Note that the DAX attribute indicates that the file is in the CPU
177
+ * direct access state. It does not correspond to the per-inode flag that
178
+ * some filesystems support.
179
+ *
164180 */
165181 #define STATX_ATTR_COMPRESSED 0x00000004 /* [I] File is compressed by the fs */
166182 #define STATX_ATTR_IMMUTABLE 0x00000010 /* [I] File is marked immutable */
....@@ -168,7 +184,9 @@
168184 #define STATX_ATTR_NODUMP 0x00000040 /* [I] File is not to be dumped */
169185 #define STATX_ATTR_ENCRYPTED 0x00000800 /* [I] File requires key to decrypt in fs */
170186 #define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */
187
+#define STATX_ATTR_MOUNT_ROOT 0x00002000 /* Root of a mount */
171188 #define STATX_ATTR_VERITY 0x00100000 /* [I] Verity protected file */
189
+#define STATX_ATTR_DAX 0x00200000 /* File is currently in DAX state */
172190
173191
174192 #endif /* _UAPI_LINUX_STAT_H */