<linux/mount.h> and <sys/mount.h> are known pairs of headers that conflict See https://sourceware.org/glibc/wiki/Synchronizing_Headers $ make make -C src all make[1]: Entering directory '/root/blktests/src' cc -O2 -Wall -Wshadow -DHAVE_LINUX_BLKZONED_H -o mount_clear_sock mount_clear_sock.c In file included from /usr/include/linux/fs.h:19, from mount_clear_sock.c:15: /usr/include/linux/mount.h:95:6: error: redeclaration of ‘enum fsconfig_command’ 95 | enum fsconfig_command { | ^~~~~~~~~~~~~~~~ In file included from mount_clear_sock.c:11: /usr/include/sys/mount.h:189:6: note: originally defined here 189 | enum fsconfig_command | ^~~~~~~~~~~~~~~~ /usr/include/linux/mount.h:96:9: error: redeclaration of enumerator ‘FSCONFIG_SET_FLAG’ 96 | FSCONFIG_SET_FLAG = 0, /* Set parameter, supplying no value */ | ^~~~~~~~~~~~~~~~~ /usr/include/sys/mount.h:191:3: note: previous definition of ‘FSCONFIG_SET_FLAG’ with type ‘enum fsconfig_command’ 191 | FSCONFIG_SET_FLAG = 0, /* Set parameter, supplying no value */ | ^~~~~~~~~~~~~~~~~ /usr/include/linux/mount.h:97:9: error: redeclaration of enumerator ‘FSCONFIG_SET_STRING’ 97 | FSCONFIG_SET_STRING = 1, /* Set parameter, supplying a string value */ | ^~~~~~~~~~~~~~~~~~~ /usr/include/sys/mount.h:193:3: note: previous definition of ‘FSCONFIG_SET_STRING’ with type ‘enum fsconfig_command’ 193 | FSCONFIG_SET_STRING = 1, /* Set parameter, supplying a string value */ | ^~~~~~~~~~~~~~~~~~~ /usr/include/linux/mount.h:98:9: error: redeclaration of enumerator ‘FSCONFIG_SET_BINARY’ 98 | FSCONFIG_SET_BINARY = 2, /* Set parameter, supplying a binary blob value */ | ^~~~~~~~~~~~~~~~~~~ /usr/include/sys/mount.h:195:3: note: previous definition of ‘FSCONFIG_SET_BINARY’ with type ‘enum fsconfig_command’ 195 | FSCONFIG_SET_BINARY = 2, /* Set parameter, supplying a binary blob value */ | ^~~~~~~~~~~~~~~~~~~ /usr/include/linux/mount.h:99:9: error: redeclaration of enumerator ‘FSCONFIG_SET_PATH’ 99 | FSCONFIG_SET_PATH = 3, /* Set parameter, supplying an object by path */ | ^~~~~~~~~~~~~~~~~ /usr/include/sys/mount.h:197:3: note: previous definition of ‘FSCONFIG_SET_PATH’ with type ‘enum fsconfig_command’ 197 | FSCONFIG_SET_PATH = 3, /* Set parameter, supplying an object by path */ | ^~~~~~~~~~~~~~~~~ /usr/include/linux/mount.h:100:9: error: redeclaration of enumerator ‘FSCONFIG_SET_PATH_EMPTY’ 100 | FSCONFIG_SET_PATH_EMPTY = 4, /* Set parameter, supplying an object by (empty) path */ | ^~~~~~~~~~~~~~~~~~~~~~~ /usr/include/sys/mount.h:199:3: note: previous definition of ‘FSCONFIG_SET_PATH_EMPTY’ with type ‘enum fsconfig_command’ 199 | FSCONFIG_SET_PATH_EMPTY = 4, /* Set parameter, supplying an object by (empty) path */ | ^~~~~~~~~~~~~~~~~~~~~~~ /usr/include/linux/mount.h:101:9: error: redeclaration of enumerator ‘FSCONFIG_SET_FD’ 101 | FSCONFIG_SET_FD = 5, /* Set parameter, supplying an object by fd */ | ^~~~~~~~~~~~~~~ /usr/include/sys/mount.h:201:3: note: previous definition of ‘FSCONFIG_SET_FD’ with type ‘enum fsconfig_command’ 201 | FSCONFIG_SET_FD = 5, /* Set parameter, supplying an object by fd */ | ^~~~~~~~~~~~~~~ /usr/include/linux/mount.h:102:9: error: redeclaration of enumerator ‘FSCONFIG_CMD_CREATE’ 102 | FSCONFIG_CMD_CREATE = 6, /* Invoke superblock creation */ | ^~~~~~~~~~~~~~~~~~~ /usr/include/sys/mount.h:203:3: note: previous definition of ‘FSCONFIG_CMD_CREATE’ with type ‘enum fsconfig_command’ 203 | FSCONFIG_CMD_CREATE = 6, /* Invoke superblock creation */ | ^~~~~~~~~~~~~~~~~~~ /usr/include/linux/mount.h:103:9: error: redeclaration of enumerator ‘FSCONFIG_CMD_RECONFIGURE’ 103 | FSCONFIG_CMD_RECONFIGURE = 7, /* Invoke superblock reconfiguration */ | ^~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/sys/mount.h:205:3: note: previous definition of ‘FSCONFIG_CMD_RECONFIGURE’ with type ‘enum fsconfig_command’ 205 | FSCONFIG_CMD_RECONFIGURE = 7, /* Invoke superblock reconfiguration */ | ^~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/linux/mount.h:129:8: error: redefinition of ‘struct mount_attr’ 129 | struct mount_attr { | ^~~~~~~~~~ /usr/include/sys/mount.h:161:8: note: originally defined here 161 | struct mount_attr | ^~~~~~~~~~ Signed-off-by: Yi Zhang <yi.zhang@xxxxxxxxxx> --- src/mount_clear_sock.c | 1 - 1 file changed, 1 deletion(-) diff --git a/src/mount_clear_sock.c b/src/mount_clear_sock.c index 984395e..5d9c900 100644 --- a/src/mount_clear_sock.c +++ b/src/mount_clear_sock.c @@ -12,7 +12,6 @@ #include <sys/stat.h> #include <sys/types.h> #include <sys/wait.h> -#include <linux/fs.h> #include <linux/nbd.h> int main(int argc, char **argv) -- 2.34.1