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-rw-r--r--fs/exofs/osd.c4
-rw-r--r--fs/exofs/super.c25
2 files changed, 24 insertions, 5 deletions
diff --git a/fs/exofs/osd.c b/fs/exofs/osd.c
index 48cc4d1..b3d2ccb 100644
--- a/fs/exofs/osd.c
+++ b/fs/exofs/osd.c
@@ -50,10 +50,10 @@ int exofs_check_ok_resid(struct osd_request *or, u64 *in_resid, u64 *out_resid)
/* FIXME: should be include in osd_sense_info */
if (in_resid)
- *in_resid = or->in.req ? or->in.req->data_len : 0;
+ *in_resid = or->in.req ? or->in.req->resid_len : 0;
if (out_resid)
- *out_resid = or->out.req ? or->out.req->data_len : 0;
+ *out_resid = or->out.req ? or->out.req->resid_len : 0;
return ret;
}
diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 9f1985e..8216c5b 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -200,20 +200,21 @@ static const struct export_operations exofs_export_ops;
/*
* Write the superblock to the OSD
*/
-static void exofs_write_super(struct super_block *sb)
+static int exofs_sync_fs(struct super_block *sb, int wait)
{
struct exofs_sb_info *sbi;
struct exofs_fscb *fscb;
struct osd_request *or;
struct osd_obj_id obj;
- int ret;
+ int ret = -ENOMEM;
fscb = kzalloc(sizeof(struct exofs_fscb), GFP_KERNEL);
if (!fscb) {
EXOFS_ERR("exofs_write_super: memory allocation failed.\n");
- return;
+ return -ENOMEM;
}
+ lock_super(sb);
lock_kernel();
sbi = sb->s_fs_info;
fscb->s_nextid = cpu_to_le64(sbi->s_nextid);
@@ -246,7 +247,17 @@ out:
if (or)
osd_end_request(or);
unlock_kernel();
+ unlock_super(sb);
kfree(fscb);
+ return ret;
+}
+
+static void exofs_write_super(struct super_block *sb)
+{
+ if (!(sb->s_flags & MS_RDONLY))
+ exofs_sync_fs(sb, 1);
+ else
+ sb->s_dirt = 0;
}
/*
@@ -258,6 +269,11 @@ static void exofs_put_super(struct super_block *sb)
int num_pend;
struct exofs_sb_info *sbi = sb->s_fs_info;
+ lock_kernel();
+
+ if (sb->s_dirt)
+ exofs_write_super(sb);
+
/* make sure there are no pending commands */
for (num_pend = atomic_read(&sbi->s_curr_pending); num_pend > 0;
num_pend = atomic_read(&sbi->s_curr_pending)) {
@@ -271,6 +287,8 @@ static void exofs_put_super(struct super_block *sb)
osduld_put_device(sbi->s_dev);
kfree(sb->s_fs_info);
sb->s_fs_info = NULL;
+
+ unlock_kernel();
}
/*
@@ -484,6 +502,7 @@ static const struct super_operations exofs_sops = {
.delete_inode = exofs_delete_inode,
.put_super = exofs_put_super,
.write_super = exofs_write_super,
+ .sync_fs = exofs_sync_fs,
.statfs = exofs_statfs,
};