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authorMartin Brandenburg <martin@omnibond.com>2017-04-25 22:38:03 +0300
committerMike Marshall <hubcap@omnibond.com>2017-04-26 21:33:00 +0300
commit68a24a6cc4a6025e111c282186a2506281d79b4b (patch)
tree5fad31549fc817c548bbdd28aaa719b152f630c7 /fs/orangefs/inode.c
parent7b796ae37092ef520641b3a96c211c1cc67a0346 (diff)
downloadlinux-68a24a6cc4a6025e111c282186a2506281d79b4b.tar.xz
orangefs: implement statx
Fortunately OrangeFS has had a getattr request mask for a long time. The server basically has two difficulty levels for attributes. Fetching any attribute except size requires communicating with the metadata server for that handle. Since all the attributes are right there, it makes sense to return them all. Fetching the size requires communicating with every I/O server (that the file is distributed across). Therefore if asked for anything except size, get everything except size, and if asked for size, get everything. Signed-off-by: Martin Brandenburg <martin@omnibond.com> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
Diffstat (limited to 'fs/orangefs/inode.c')
-rw-r--r--fs/orangefs/inode.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c
index a304bf34b212..8baf5458cecf 100644
--- a/fs/orangefs/inode.c
+++ b/fs/orangefs/inode.c
@@ -161,7 +161,7 @@ static int orangefs_setattr_size(struct inode *inode, struct iattr *iattr)
iattr->ia_size);
/* Ensure that we have a up to date size, so we know if it changed. */
- ret = orangefs_inode_getattr(inode, 0, 1);
+ ret = orangefs_inode_getattr(inode, 0, 1, STATX_SIZE);
if (ret == -ESTALE)
ret = -EIO;
if (ret) {
@@ -256,13 +256,19 @@ 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);
+ ret = orangefs_inode_getattr(inode, 0, 0, request_mask);
if (ret == 0) {
generic_fillattr(inode, stat);
/* override block size reported to stat */
orangefs_inode = ORANGEFS_I(inode);
stat->blksize = orangefs_inode->blksize;
+
+ if (request_mask & STATX_SIZE)
+ stat->result_mask = STATX_BASIC_STATS;
+ else
+ stat->result_mask = STATX_BASIC_STATS &
+ ~STATX_SIZE;
}
return ret;
}
@@ -277,7 +283,7 @@ int orangefs_permission(struct inode *inode, int mask)
gossip_debug(GOSSIP_INODE_DEBUG, "%s: refreshing\n", __func__);
/* Make sure the permission (and other common attrs) are up to date. */
- ret = orangefs_inode_getattr(inode, 0, 0);
+ ret = orangefs_inode_getattr(inode, 0, 0, STATX_MODE);
if (ret < 0)
return ret;
@@ -375,7 +381,7 @@ struct inode *orangefs_iget(struct super_block *sb, struct orangefs_object_kref
if (!inode || !(inode->i_state & I_NEW))
return inode;
- error = orangefs_inode_getattr(inode, 1, 1);
+ error = orangefs_inode_getattr(inode, 1, 1, STATX_ALL);
if (error) {
iget_failed(inode);
return ERR_PTR(error);
@@ -420,7 +426,7 @@ 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);
+ error = orangefs_inode_getattr(inode, 1, 1, STATX_ALL);
if (error)
goto out_iput;