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[JFFS2] Fix cross-endian build. 

When compiling a LE-capable JFFS2 on PowerPC, wbuf.c fails to compile:

fs/jffs2/wbuf.c:973: error: braced-group within expression allowed only inside a function
fs/jffs2/wbuf.c:973: error: initializer element is not constant
fs/jffs2/wbuf.c:973: error: (near initialization for ‘oob_cleanmarker.magic’)
fs/jffs2/wbuf.c:974: error: braced-group within expression allowed only inside a function
fs/jffs2/wbuf.c:974: error: initializer element is not constant
fs/jffs2/wbuf.c:974: error: (near initialization for ‘oob_cleanmarker.nodetype’)
fs/jffs2/wbuf.c:975: error: braced-group within expression allowed only inside a function
fs/jffs2/wbuf.c:976: error: initializer element is not constant
fs/jffs2/wbuf.c:976: error: (near initialization for ‘oob_cleanmarker.totlen’)

Provide constant_cpu_to_je{16,32} functions, and use them for initialising the
offending structure.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse 2007-04-23 12:07:17 +01:00
parent 3e67fe4543
commit 566865a2a4
2 changed files with 12 additions and 3 deletions
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9
fs/jffs2/nodelist.h
View File

@ -40,6 +40,9 @@
#define cpu_to_je32(x) ((jint32_t){x})
#define cpu_to_jemode(x) ((jmode_t){os_to_jffs2_mode(x)})
#define constant_cpu_to_je16(x) ((jint16_t){x})
#define constant_cpu_to_je32(x) ((jint32_t){x})
#define je16_to_cpu(x) ((x).v16)
#define je32_to_cpu(x) ((x).v32)
#define jemode_to_cpu(x) (jffs2_to_os_mode((x).m))
@ -48,6 +51,9 @@
#define cpu_to_je32(x) ((jint32_t){cpu_to_be32(x)})
#define cpu_to_jemode(x) ((jmode_t){cpu_to_be32(os_to_jffs2_mode(x))})
#define constant_cpu_to_je16(x) ((jint16_t){__constant_cpu_to_be16(x)})
#define constant_cpu_to_je32(x) ((jint32_t){__constant_cpu_to_be32(x)})
#define je16_to_cpu(x) (be16_to_cpu(x.v16))
#define je32_to_cpu(x) (be32_to_cpu(x.v32))
#define jemode_to_cpu(x) (be32_to_cpu(jffs2_to_os_mode((x).m)))
@ -56,6 +62,9 @@
#define cpu_to_je32(x) ((jint32_t){cpu_to_le32(x)})
#define cpu_to_jemode(x) ((jmode_t){cpu_to_le32(os_to_jffs2_mode(x))})
#define constant_cpu_to_je16(x) ((jint16_t){__constant_cpu_to_le16(x)})
#define constant_cpu_to_je32(x) ((jint32_t){__constant_cpu_to_le32(x)})
#define je16_to_cpu(x) (le16_to_cpu(x.v16))
#define je32_to_cpu(x) (le32_to_cpu(x.v32))
#define jemode_to_cpu(x) (le32_to_cpu(jffs2_to_os_mode((x).m)))

6
fs/jffs2/wbuf.c
View File

@ -970,9 +970,9 @@ exit:
static const struct jffs2_unknown_node oob_cleanmarker =
{
.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK),
.nodetype = cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER),
.totlen = cpu_to_je32(8)
.magic = constant_cpu_to_je16(JFFS2_MAGIC_BITMASK),
.nodetype = constant_cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER),
.totlen = constant_cpu_to_je32(8)
};
/*