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Merge pull request #1137 from trapexit/btrfs-ioctl

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Return NOTTY for all btrfs ioctl calls
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trapexit 2023-02-11 10:25:09 -05:00 committed by GitHub
commit b51a5970b2
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1 changed files with 12 additions and 0 deletions
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12
src/fuse_ioctl.cpp
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@ -44,6 +44,9 @@ typedef char IOCTL_BUF[4096];
#define IOCTL_APP_TYPE 0xDF #define IOCTL_APP_TYPE 0xDF
#define IOCTL_FILE_INFO _IOWR(IOCTL_APP_TYPE,0,IOCTL_BUF) #define IOCTL_FILE_INFO _IOWR(IOCTL_APP_TYPE,0,IOCTL_BUF)
// From linux/btrfs.h
#define BTRFS_IOCTL_MAGIC 0x94
#ifndef FS_IOC_GETFLAGS #ifndef FS_IOC_GETFLAGS
# define FS_IOC_GETFLAGS _IOR('f',1,long) # define FS_IOC_GETFLAGS _IOR('f',1,long)
#endif #endif
@ -314,6 +317,13 @@ namespace l
return (_IOC_TYPE(cmd_) == IOCTL_APP_TYPE); return (_IOC_TYPE(cmd_) == IOCTL_APP_TYPE);
} }
static
bool
is_btrfs_ioctl_cmd(const unsigned long cmd_)
{
return (_IOC_TYPE(cmd_) == BTRFS_IOCTL_MAGIC);
}
static static
int int
ioctl_custom(const fuse_file_info_t *ffi_, ioctl_custom(const fuse_file_info_t *ffi_,
@ -340,6 +350,8 @@ namespace FUSE
void *data_, void *data_,
uint32_t *out_bufsz_) uint32_t *out_bufsz_)
{ {
if(l::is_btrfs_ioctl_cmd(cmd_))
return -ENOTTY;
if(l::is_mergerfs_ioctl_cmd(cmd_)) if(l::is_mergerfs_ioctl_cmd(cmd_))
return l::ioctl_custom(ffi_,cmd_,data_); return l::ioctl_custom(ffi_,cmd_,data_);