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-rw-r--r--fs/ceph/debugfs.c24
-rw-r--r--fs/ceph/file.c23
-rw-r--r--fs/ceph/super.c4
-rw-r--r--fs/ceph/super.h2
4 files changed, 24 insertions, 29 deletions
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index a14d64664878..2eb88ed22993 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -245,21 +245,17 @@ void ceph_fs_debugfs_cleanup(struct ceph_fs_client *fsc)
debugfs_remove(fsc->debugfs_mdsc);
}
-int ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
+void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
{
char name[100];
- int err = -ENOMEM;
dout("ceph_fs_debugfs_init\n");
- BUG_ON(!fsc->client->debugfs_dir);
fsc->debugfs_congestion_kb =
debugfs_create_file("writeback_congestion_kb",
0600,
fsc->client->debugfs_dir,
fsc,
&congestion_kb_fops);
- if (!fsc->debugfs_congestion_kb)
- goto out;
snprintf(name, sizeof(name), "../../bdi/%s",
dev_name(fsc->sb->s_bdi->dev));
@@ -267,52 +263,36 @@ int ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
debugfs_create_symlink("bdi",
fsc->client->debugfs_dir,
name);
- if (!fsc->debugfs_bdi)
- goto out;
fsc->debugfs_mdsmap = debugfs_create_file("mdsmap",
0400,
fsc->client->debugfs_dir,
fsc,
&mdsmap_show_fops);
- if (!fsc->debugfs_mdsmap)
- goto out;
fsc->debugfs_mds_sessions = debugfs_create_file("mds_sessions",
0400,
fsc->client->debugfs_dir,
fsc,
&mds_sessions_show_fops);
- if (!fsc->debugfs_mds_sessions)
- goto out;
fsc->debugfs_mdsc = debugfs_create_file("mdsc",
0400,
fsc->client->debugfs_dir,
fsc,
&mdsc_show_fops);
- if (!fsc->debugfs_mdsc)
- goto out;
fsc->debugfs_caps = debugfs_create_file("caps",
0400,
fsc->client->debugfs_dir,
fsc,
&caps_show_fops);
- if (!fsc->debugfs_caps)
- goto out;
-
- return 0;
-
-out:
- ceph_fs_debugfs_cleanup(fsc);
- return err;
}
#else /* CONFIG_DEBUG_FS */
-int ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
+void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
{
return 0;
}
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 95685b4aac48..685a03cc4b77 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -1895,9 +1895,9 @@ static int is_file_size_ok(struct inode *src_inode, struct inode *dst_inode,
return 0;
}
-static ssize_t ceph_copy_file_range(struct file *src_file, loff_t src_off,
- struct file *dst_file, loff_t dst_off,
- size_t len, unsigned int flags)
+static ssize_t __ceph_copy_file_range(struct file *src_file, loff_t src_off,
+ struct file *dst_file, loff_t dst_off,
+ size_t len, unsigned int flags)
{
struct inode *src_inode = file_inode(src_file);
struct inode *dst_inode = file_inode(dst_file);
@@ -1915,6 +1915,8 @@ static ssize_t ceph_copy_file_range(struct file *src_file, loff_t src_off,
if (src_inode == dst_inode)
return -EINVAL;
+ if (src_inode->i_sb != dst_inode->i_sb)
+ return -EXDEV;
if (ceph_snap(dst_inode) != CEPH_NOSNAP)
return -EROFS;
@@ -2108,6 +2110,21 @@ out:
return ret;
}
+static ssize_t ceph_copy_file_range(struct file *src_file, loff_t src_off,
+ struct file *dst_file, loff_t dst_off,
+ size_t len, unsigned int flags)
+{
+ ssize_t ret;
+
+ ret = __ceph_copy_file_range(src_file, src_off, dst_file, dst_off,
+ len, flags);
+
+ if (ret == -EOPNOTSUPP || ret == -EXDEV)
+ ret = generic_copy_file_range(src_file, src_off, dst_file,
+ dst_off, len, flags);
+ return ret;
+}
+
const struct file_operations ceph_file_fops = {
.open = ceph_open,
.release = ceph_release,
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 84d23c896daa..ab4868c7308e 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -937,9 +937,7 @@ static struct dentry *ceph_real_mount(struct ceph_fs_client *fsc)
dout("mount opening path %s\n", path);
}
- err = ceph_fs_debugfs_init(fsc);
- if (err < 0)
- goto out;
+ ceph_fs_debugfs_init(fsc);
root = open_root_dentry(fsc, path, started);
if (IS_ERR(root)) {
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 4196f30e5bdc..d2352fd95dbc 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -1127,7 +1127,7 @@ extern int ceph_locks_to_pagelist(struct ceph_filelock *flocks,
int num_fcntl_locks, int num_flock_locks);
/* debugfs.c */
-extern int ceph_fs_debugfs_init(struct ceph_fs_client *client);
+extern void ceph_fs_debugfs_init(struct ceph_fs_client *client);
extern void ceph_fs_debugfs_cleanup(struct ceph_fs_client *client);
/* quota.c */