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Add statvfs support to extfs.

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This commit is contained in:
Jonas 'Sortie' Termansen 2015-04-01 00:25:34 +02:00
parent d85f446da9
commit 78d3a673aa
2 changed files with 46 additions and 2 deletions
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29
ext/fsmarshall.cpp
View file

@ -95,6 +95,13 @@ bool RespondStat(int chl, struct stat* st)
return RespondMessage(chl, FSM_RESP_STAT, &body, sizeof(body)); return RespondMessage(chl, FSM_RESP_STAT, &body, sizeof(body));
} }
bool RespondStatVFS(int chl, struct statvfs* stvfs)
{
struct fsm_resp_statvfs body;
body.stvfs = *stvfs;
return RespondMessage(chl, FSM_RESP_STATVFS, &body, sizeof(body));
}
bool RespondSeek(int chl, off_t offset) bool RespondSeek(int chl, off_t offset)
{ {
struct fsm_resp_lseek body; struct fsm_resp_lseek body;
@ -585,6 +592,27 @@ void HandleRename(int chl, struct fsm_req_rename* msg, Filesystem* fs)
free(path); free(path);
} }
void HandleStatVFS(int chl, struct fsm_req_statvfs* msg, Filesystem* fs)
{
(void) msg;
struct statvfs stvfs;
stvfs.f_bsize = fs->block_size;
stvfs.f_frsize = fs->block_size;
stvfs.f_blocks = fs->num_blocks;
stvfs.f_bfree = fs->sb->s_free_blocks_count;
stvfs.f_bavail = fs->sb->s_free_blocks_count;
stvfs.f_files = fs->num_inodes;
stvfs.f_ffree = fs->sb->s_free_inodes_count;
stvfs.f_favail = fs->sb->s_free_inodes_count;
stvfs.f_ffree = fs->sb->s_free_inodes_count;
stvfs.f_fsid = 0;
stvfs.f_flag = 0;
if ( !fs->device->write )
stvfs.f_flag |= ST_RDONLY;
stvfs.f_namemax = 255;
RespondStatVFS(chl, &stvfs);
}
void HandleTCGetBlob(int chl, struct fsm_req_tcgetblob* msg, Filesystem* fs) void HandleTCGetBlob(int chl, struct fsm_req_tcgetblob* msg, Filesystem* fs)
{ {
if ( fs->num_inodes <= msg->ino ) if ( fs->num_inodes <= msg->ino )
@ -639,6 +667,7 @@ void HandleIncomingMessage(int chl, struct fsm_msg_header* hdr, Filesystem* fs)
handlers[FSM_REQ_RENAME] = (handler_t) HandleRename; handlers[FSM_REQ_RENAME] = (handler_t) HandleRename;
handlers[FSM_REQ_REFER] = (handler_t) HandleRefer; handlers[FSM_REQ_REFER] = (handler_t) HandleRefer;
handlers[FSM_REQ_UNREF] = (handler_t) HandleUnref; handlers[FSM_REQ_UNREF] = (handler_t) HandleUnref;
handlers[FSM_REQ_STATVFS] = (handler_t) HandleStatVFS;
handlers[FSM_REQ_TCGETBLOB] = (handler_t) HandleTCGetBlob; handlers[FSM_REQ_TCGETBLOB] = (handler_t) HandleTCGetBlob;
if ( FSM_MSG_NUM <= hdr->msgtype || !handlers[hdr->msgtype] ) if ( FSM_MSG_NUM <= hdr->msgtype || !handlers[hdr->msgtype] )
{ {

19
ext/fuse.cpp
View file

@ -383,8 +383,23 @@ int ext2_fuse_write(const char* /*path*/, const char* buf, size_t count,
int ext2_fuse_statfs(const char* /*path*/, struct statvfs* stvfs) int ext2_fuse_statfs(const char* /*path*/, struct statvfs* stvfs)
{ {
(void) stvfs; memset(stvfs, 0, sizeof(*stvfs));
return errno = -ENOSYS, -1; Filesystem* fs = FUSE_FS;
stvfs->f_bsize = fs->block_size;
stvfs->f_frsize = fs->block_size;
stvfs->f_blocks = fs->num_blocks;
stvfs->f_bfree = fs->sb->s_free_blocks_count;
stvfs->f_bavail = fs->sb->s_free_blocks_count;
stvfs->f_files = fs->num_inodes;
stvfs->f_ffree = fs->sb->s_free_inodes_count;
stvfs->f_favail = fs->sb->s_free_inodes_count;
stvfs->f_ffree = fs->sb->s_free_inodes_count;
stvfs->f_fsid = 0;
stvfs->f_flag = 0;
if ( !fs->device->write )
stvfs->f_flag |= ST_RDONLY;
stvfs->f_namemax = 255;
return 0;
} }
int ext2_fuse_flush(const char* /*path*/, struct fuse_file_info* fi) int ext2_fuse_flush(const char* /*path*/, struct fuse_file_info* fi)