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authorAl Viro <viro@zeniv.linux.org.uk>2013-10-08 19:05:01 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-11-09 09:16:27 +0400
commit22a8cb8248ba5d340307ba72432253b1dbdb5cf7 (patch)
treeddb88cce781598c909769c4d92f1e38d2716cd52 /fs/coredump.c
parent7b1f4020d0d16a17b9c48570bdb7b4ad99be3553 (diff)
downloadlinux-22a8cb8248ba5d340307ba72432253b1dbdb5cf7.tar.xz
new helper: dump_align()
dump_skip to given alignment... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/coredump.c')
-rw-r--r--fs/coredump.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/coredump.c b/fs/coredump.c
index 18baf2c009d4..dc1f937413d5 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -728,3 +728,12 @@ int dump_skip(struct coredump_params *cprm, size_t nr)
}
}
EXPORT_SYMBOL(dump_skip);
+
+int dump_align(struct coredump_params *cprm, int align)
+{
+ unsigned mod = cprm->written & (align - 1);
+ if (align & (align - 1))
+ return -EINVAL;
+ return mod ? dump_skip(cprm, align - mod) : 0;
+}
+EXPORT_SYMBOL(dump_align);