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authorNick Piggin <npiggin@kernel.dk>2011-01-07 17:49:58 +1100
committerNick Piggin <npiggin@kernel.dk>2011-01-07 17:50:29 +1100
commitb74c79e99389cd79b31fcc08f82c24e492e63c7e (patch)
tree763c6b412517306670bc625e90035f2d16bb739f /fs/coda/dir.c
parent34286d6662308d82aed891852d04c7c3a2649b16 (diff)
downloadop-kernel-dev-b74c79e99389cd79b31fcc08f82c24e492e63c7e.zip
op-kernel-dev-b74c79e99389cd79b31fcc08f82c24e492e63c7e.tar.gz
fs: provide rcu-walk aware permission i_ops
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/coda/dir.c')
-rw-r--r--fs/coda/dir.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 619a830..29badd9 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -135,10 +135,13 @@ exit:
}
-int coda_permission(struct inode *inode, int mask)
+int coda_permission(struct inode *inode, int mask, unsigned int flags)
{
int error;
+ if (flags & IPERM_FLAG_RCU)
+ return -ECHILD;
+
mask &= MAY_READ | MAY_WRITE | MAY_EXEC;
if (!mask)
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