[PATCH v2] xfs_io: make MADV_SOFT_OFFLINE conditional

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mips64el does not have the symbol MADV_SOFT_OFFLINE, so wrap it in an
ifdef.

Signed-off-by: Bastian Germann <bage@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
 io/madvise.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/io/madvise.c b/io/madvise.c
index ede23395..644c85e0 100644
--- a/io/madvise.c
+++ b/io/madvise.c
@@ -40,7 +40,9 @@ madvise_help(void)
 " -H -- enable transparent hugepages (MADV_HUGEPAGE)\n"
 " -m -- mark the range mergeable (MADV_MERGEABLE)\n"
 " -M -- mark the range unmergeable (MADV_UNMERGEABLE)\n"
+#ifdef MADV_SOFT_OFFLINE
 " -o -- mark the range offline (MADV_SOFT_OFFLINE)\n"
+#endif
 " -p -- punch a hole in the file (MADV_REMOVE)\n"
 " -P -- poison the page cache (MADV_HWPOISON)\n"
 #ifdef MADV_POPULATE_READ
@@ -101,9 +103,11 @@ madvise_f(
 		case 'M':	/* disable merging */
 			advise = MADV_UNMERGEABLE;
 			break;
+#ifdef MADV_SOFT_OFFLINE
 		case 'o':	/* offline */
 			advise = MADV_SOFT_OFFLINE;
 			break;
+#endif
 		case 'p':	/* punch hole */
 			advise = MADV_REMOVE;
 			break;
-- 
2.45.0





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