1SGET_USERNS(9) The Linux VFS SGET_USERNS(9)
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6 sget_userns - find or create a superblock
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9 struct super_block * sget_userns(struct file_system_type * type,
10 int (*test) (struct super_block *,void *),
11 int (*set) (struct super_block *,void *),
12 int flags,
13 struct user_namespace * user_ns,
14 void * data);
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17 type
18 filesystem type superblock should belong to
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20 test
21 comparison callback
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23 set
24 setup callback
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26 flags
27 mount flags
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29 user_ns
30 User namespace for the super_block
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32 data
33 argument to each of them
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36Kernel Hackers Manual 3.10 June 2019 SGET_USERNS(9)