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authorAl Viro <viro@zeniv.linux.org.uk>2011-06-20 18:59:02 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2011-07-20 01:43:18 -0400
commit1fc0f78ca9f311c6277e2f1b7655bb4d43ceb311 (patch)
tree9c6a5879558b7a189f94eae97ac80268e63fe29b /include/linux/fs.h
parent178ea73521d64ba41d7aa5488fb9f549c6d4507d (diff)
downloadop-kernel-dev-1fc0f78ca9f311c6277e2f1b7655bb4d43ceb311.zip
op-kernel-dev-1fc0f78ca9f311c6277e2f1b7655bb4d43ceb311.tar.gz
->permission() sanitizing: MAY_NOT_BLOCK
Duplicate the flags argument into mask bitmap. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0c15d5e..60c1fe6 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -63,6 +63,7 @@ struct inodes_stat_t {
#define MAY_ACCESS 16
#define MAY_OPEN 32
#define MAY_CHDIR 64
+#define MAY_NOT_BLOCK 128 /* called from RCU mode, don't block */
/*
* flags in file.f_mode. Note that FMODE_READ and FMODE_WRITE must correspond
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