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isofs: Implement show_options

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Implement the show_options superblock op for omfs as part of a bid to get
rid of s_options and generic_show_options() to make it easier to implement
a context-based mount where the mount options can be passed individually
over a file descriptor.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells
2017-07-05 16:25:30 +01:00
committed by Al Viro
parent 677018a6ce
commit 86a1da6d30
2 changed files with 51 additions and 3 deletions
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3
fs/isofs/isofs.h
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@@ -36,8 +36,11 @@ struct isofs_sb_info {
unsigned long s_max_size;
int s_rock_offset; /* offset of SUSP fields within SU area */
s32 s_sbsector;
unsigned char s_joliet_level;
unsigned char s_mapping;
unsigned char s_check;
unsigned char s_session;
unsigned int s_high_sierra:1;
unsigned int s_rock:2;
unsigned int s_utf8:1;