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Subject[PATCH v2 1/5] orangefs: fix request_mask misuse
Date
Orangefs only handles STATX_BASIC_STATS in its getattr implementation, so
mask off all other flags. Not doing so results in statx(2) forcing a
refresh of cached attributes on any other requested flag (i.e. STATX_BTIME
currently) due to the following test in orangefs_inode_getattr():

(request_mask & orangefs_inode->getattr_mask) == request_mask

Also clean up gratuitous uses of STATX_ALL.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Reviewed-by: Martin Brandenburg <martin@omnibond.com>
Cc: Mike Marshall <hubcap@omnibond.com>
---
fs/orangefs/inode.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c
index 31932879b716..bd7f15a831dc 100644
--- a/fs/orangefs/inode.c
+++ b/fs/orangefs/inode.c
@@ -256,7 +256,8 @@ int orangefs_getattr(const struct path *path, struct kstat *stat,
"orangefs_getattr: called on %pd\n",
path->dentry);

- ret = orangefs_inode_getattr(inode, 0, 0, request_mask);
+ ret = orangefs_inode_getattr(inode, 0, 0,
+ request_mask & STATX_BASIC_STATS);
if (ret == 0) {
generic_fillattr(inode, stat);

@@ -408,7 +409,7 @@ struct inode *orangefs_iget(struct super_block *sb,
if (!inode || !(inode->i_state & I_NEW))
return inode;

- error = orangefs_inode_getattr(inode, 1, 1, STATX_ALL);
+ error = orangefs_inode_getattr(inode, 1, 1, STATX_BASIC_STATS);
if (error) {
iget_failed(inode);
return ERR_PTR(error);
@@ -453,7 +454,7 @@ struct inode *orangefs_new_inode(struct super_block *sb, struct inode *dir,
orangefs_set_inode(inode, ref);
inode->i_ino = hash; /* needed for stat etc */

- error = orangefs_inode_getattr(inode, 1, 1, STATX_ALL);
+ error = orangefs_inode_getattr(inode, 1, 1, STATX_BASIC_STATS);
if (error)
goto out_iput;

--
2.14.3
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