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authorTrond Myklebust <trondmy@gmail.com>2020-01-06 15:25:12 -0500
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2020-01-15 10:54:33 -0500
commite8194b7dd39ec5423c32a43542f8348a9bd6956f (patch)
tree321adbf54085630429d49a85cb158c0f3092b661 /fs/nfs/dir.c
parentpNFS/flexfiles: Add tracing for layout errors (diff)
downloadlinux-dev-e8194b7dd39ec5423c32a43542f8348a9bd6956f.tar.xz
linux-dev-e8194b7dd39ec5423c32a43542f8348a9bd6956f.zip
NFS: Improve tracing of permission calls
On exit from nfs_do_access(), record the mask representing the requested permissions, as well as the server-supplied set of access rights for this user. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/dir.c')
-rw-r--r--fs/nfs/dir.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index e180033e35cf..372c16b3042c 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -2476,7 +2476,7 @@ static int nfs_do_access(struct inode *inode, const struct cred *cred, int mask)
{
struct nfs_access_entry cache;
bool may_block = (mask & MAY_NOT_BLOCK) == 0;
- int cache_mask;
+ int cache_mask = -1;
int status;
trace_nfs_access_enter(inode);
@@ -2515,7 +2515,7 @@ out_cached:
if ((mask & ~cache_mask & (MAY_READ | MAY_WRITE | MAY_EXEC)) != 0)
status = -EACCES;
out:
- trace_nfs_access_exit(inode, status);
+ trace_nfs_access_exit(inode, mask, cache_mask, status);
return status;
}