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Subject[PATCH -V7 9/9] ext3: Add get_fsid callback
Date
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
fs/ext3/super.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 1bee604..63c322e 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -734,6 +734,15 @@ static int bdev_try_to_free_page(struct super_block *sb, struct page *page,
return try_to_free_buffers(page);
}

+static int ext3_get_fsid(struct super_block *sb, struct uuid *fsid)
+{
+ struct ext3_sb_info *sbi = EXT3_SB(sb);
+ struct ext3_super_block *es = sbi->s_es;
+
+ memcpy(fsid->uuid, es->s_uuid, sizeof(fsid->uuid));
+ return 0;
+}
+
#ifdef CONFIG_QUOTA
#define QTYPE2NAME(t) ((t)==USRQUOTA?"user":"group")
#define QTYPE2MOPT(on, t) ((t)==USRQUOTA?((on)##USRJQUOTA):((on)##GRPJQUOTA))
@@ -791,6 +800,7 @@ static const struct super_operations ext3_sops = {
.quota_write = ext3_quota_write,
#endif
.bdev_try_to_free_page = bdev_try_to_free_page,
+ .get_fsid = ext3_get_fsid,
};

static const struct export_operations ext3_export_ops = {
--
1.7.1.78.g212f0


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