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loop.4: 'lo_flags' is nowadays "r/w" 

Since kernel commit 96c5865559cee0f9cbc5173f3c949f6ce3525581,
the 'lo_flags' field is modifiable via the LOOP_SET_STATUS and
LOOP_SET_STATUS64 ioctl() operations.

See https://bugzilla.kernel.org/show_bug.cgi?id=203417

Reported-by: Vlad <cvazir@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2020-05-06 11:33:21 +02:00
parent ff1cac76a3
commit 2b38639ab9
1 changed files with 4 additions and 2 deletions
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6
man4/loop.4
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@ -89,7 +89,8 @@ struct loop_info {
int lo_offset;
int lo_encrypt_type;
int lo_encrypt_key_size; /* ioctl w/o */
int lo_flags; /* ioctl r/o */
int lo_flags; /* ioctl r/w (r/o before
Linux 2.6.25) */
char lo_name[LO_NAME_SIZE];
unsigned char lo_encrypt_key[LO_KEY_SIZE];
/* ioctl w/o */
@ -197,7 +198,8 @@ struct loop_info64 {
uint32_t lo_number; /* ioctl r/o */
uint32_t lo_encrypt_type;
uint32_t lo_encrypt_key_size; /* ioctl w/o */
uint32_t lo_flags; /* ioctl r/o */
uint32_t lo_flags; i /* ioctl r/w (r/o before
Linux 2.6.25) */
uint8_t lo_file_name[LO_NAME_SIZE];
uint8_t lo_crypt_name[LO_NAME_SIZE];
uint8_t lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */