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Subject[PATCH 06/19] orangefs: set up and use backing_dev_info
Date
Signed-off-by: Martin Brandenburg <martin@omnibond.com>
---
fs/orangefs/super.c | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c
index 4c36481208f5..61bec955b285 100644
--- a/fs/orangefs/super.c
+++ b/fs/orangefs/super.c
@@ -406,15 +406,11 @@ static int orangefs_fill_sb(struct super_block *sb,
struct orangefs_fs_mount_response *fs_mount,
void *data, int silent)
{
- int ret = -EINVAL;
- struct inode *root = NULL;
- struct dentry *root_dentry = NULL;
+ int ret;
+ struct inode *root;
+ struct dentry *root_dentry;
struct orangefs_object_kref root_object;

- /* alloc and init our private orangefs sb info */
- sb->s_fs_info = kzalloc(sizeof(struct orangefs_sb_info_s), GFP_KERNEL);
- if (!ORANGEFS_SB(sb))
- return -ENOMEM;
ORANGEFS_SB(sb)->sb = sb;

ORANGEFS_SB(sb)->root_khandle = fs_mount->root_khandle;
@@ -437,6 +433,10 @@ static int orangefs_fill_sb(struct super_block *sb,
sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_maxbytes = MAX_LFS_FILESIZE;

+ ret = super_setup_bdi(sb);
+ if (ret)
+ return ret;
+
root_object.khandle = ORANGEFS_SB(sb)->root_khandle;
root_object.fs_id = ORANGEFS_SB(sb)->fs_id;
gossip_debug(GOSSIP_SUPER_DEBUG,
@@ -515,6 +515,13 @@ struct dentry *orangefs_mount(struct file_system_type *fst,
goto free_op;
}

+ /* alloc and init our private orangefs sb info */
+ sb->s_fs_info = kzalloc(sizeof(struct orangefs_sb_info_s), GFP_KERNEL);
+ if (!ORANGEFS_SB(sb)) {
+ d = ERR_PTR(-ENOMEM);
+ goto free_op;
+ }
+
ret = orangefs_fill_sb(sb,
&new_op->downcall.resp.fs_mount, data,
flags & SB_SILENT ? 1 : 0);
--
2.19.0
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