Converted repo to Git.

[vcfs.git] / vcfs.c

diff --git a/vcfs.c b/vcfs.c
index 0a49f49..8529eb3 100644 (file)
--- a/vcfs.c
+++ b/vcfs.c
@@ -226,7 +226,7 @@ static struct vcfsdata *initvcfs(char *dir)
     }
     fsd->inocser = 1;
     cacheinode(fsd, 0, nilnode);
-    if((fsd->nextino = btcount(fsd->st, &fsd->inotab)) < 0) {
+    if((fsd->nextino = btcount(fsd->st, &fsd->inotab, INOBLSIZE)) < 0) {
        flog(LOG_ERR, "could not count inodes: %s");
        close(fsd->revfd);
        releasestore(fsd->st);
@@ -243,7 +243,7 @@ static vc_ino_t dirlookup(struct vcfsdata *fsd, struct btnode *dirdata, const ch
     ssize_t sz;
     
     for(i = 0; ; i++) {
-       if((sz = btget(fsd->st, dirdata, i, &dent, sizeof(dent))) < 0) {
+       if((sz = btget(fsd->st, dirdata, i, &dent, sizeof(dent), DIRBLSIZE)) < 0) {
            if(errno == ERANGE)
                errno = ENOENT;
            return(-1);
@@ -279,7 +279,7 @@ static int getinode(struct vcfsdata *fsd, struct btnode inotab, vc_ino_t ino, st
     
     if(inotab.d == 0)
        inotab = fsd->inotab;
-    if((sz = btget(fsd->st, &inotab, ino, buf, sizeof(*buf))) < 0)
+    if((sz = btget(fsd->st, &inotab, ino, buf, sizeof(*buf), INOBLSIZE)) < 0)
        return(-1);
     if(sz != sizeof(*buf)) {
        flog(LOG_ERR, "illegal size for inode %i", ino);
@@ -307,6 +307,7 @@ static void fusegetattr(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *f
        return;
     }
     fillstat(&sb, &file);
+    sb.st_ino = ino;
     fuse_reply_attr(req, &sb, 0);
 }
 
@@ -338,6 +339,7 @@ static void fuselookup(fuse_req_t req, fuse_ino_t parent, const char *name)
     memset(&e, 0, sizeof(e));
     e.ino = cacheinode(fsd, target, inoc->inotab);
     fillstat(&e.attr, &file);
+    e.attr.st_ino = e.ino;
     fuse_reply_entry(req, &e);
 }
 
@@ -364,7 +366,7 @@ static void fusereaddir(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off,
     buf = NULL;
     while(bsz < size) {
        memset(&dent, 0, sizeof(dent));
-       if((sz = btget(fsd->st, &file.data, off++, &dent, sizeof(dent))) < 0) {
+       if((sz = btget(fsd->st, &file.data, off++, &dent, sizeof(dent), DIRBLSIZE)) < 0) {
            if(errno == ERANGE) {
                if(buf != NULL)
                    break;
@@ -408,11 +410,27 @@ static vc_rev_t commit(struct vcfsdata *fsd, struct btnode inotab)
 
 static int deldentry(struct vcfsdata *fsd, struct inode *ino, int di)
 {
+    struct btop ops[2];
+    struct dentry dent;
+    ssize_t sz;
+    
     if((di < 0) || (di >= ino->size)) {
        errno = ERANGE;
        return(-1);
     }
-    
+    if(di == ino->size - 1) {
+       if(btput(fsd->st, &ino->data, ino->size - 1, NULL, 0, DIRBLSIZE))
+           return(-1);
+    } else {
+       if((sz = btget(fsd->st, &ino->data, ino->size - 1, &dent, sizeof(dent), DIRBLSIZE)) < 0)
+           return(-1);
+       btmkop(ops + 0, di, &dent, sz);
+       btmkop(ops + 1, ino->size - 1, NULL, 0);
+       if(btputmany(fsd->st, &ino->data, ops, 2, DIRBLSIZE))
+           return(-1);
+    }
+    ino->size--;
+    return(0);
 }
 
 static int setdentry(struct vcfsdata *fsd, struct inode *ino, int di, const char *name, vc_ino_t target)
@@ -429,12 +447,12 @@ static int setdentry(struct vcfsdata *fsd, struct inode *ino, int di, const char
     dent.inode = target;
     sz = sizeof(dent) - sizeof(dent.name) + strlen(name) + 1;
     if((di == -1) || (di == ino->size)) {
-       if(btput(fsd->st, &ino->data, ino->size, &dent, sz))
+       if(btput(fsd->st, &ino->data, ino->size, &dent, sz, DIRBLSIZE))
            return(-1);
        ino->size++;
        return(0);
     }
-    return(btput(fsd->st, &ino->data, di, &dent, sz));
+    return(btput(fsd->st, &ino->data, di, &dent, sz, DIRBLSIZE));
 }
 
 static void fusemkdir(fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode)
@@ -490,7 +508,7 @@ static void fusemkdir(fuse_req_t req, fuse_ino_t parent, const char *name, mode_
     file.links++;
     btmkop(ops + 0, inoc->inode, &file, sizeof(file));
     btmkop(ops + 1, fsd->nextino, &new, sizeof(new));
-    if(btputmany(fsd->st, &inotab, ops, 2)) {
+    if(btputmany(fsd->st, &inotab, ops, 2, INOBLSIZE)) {
        fuse_reply_err(req, errno);
        return;
     }
@@ -509,15 +527,17 @@ static void fusemkdir(fuse_req_t req, fuse_ino_t parent, const char *name, mode_
     memset(&e, 0, sizeof(e));
     e.ino = cacheinode(fsd, fsd->nextino++, nilnode);
     fillstat(&e.attr, &new);
+    e.attr.st_ino = e.ino;
     fuse_reply_entry(req, &e);
 }
 
-static void fusermdir(fuse_req_t req, fuse_ino_t parent, const char *name)
+static void fuseunlink(fuse_req_t req, fuse_ino_t parent, const char *name)
 {
     struct vcfsdata *fsd;
     struct inoc *inoc;
     struct inode file;
     int di;
+    struct btnode inotab;
     
     fsd = fuse_req_userdata(req);
     if((inoc = getinocbf(fsd, parent)) == NULL) {
@@ -540,6 +560,17 @@ static void fusermdir(fuse_req_t req, fuse_ino_t parent, const char *name)
        fuse_reply_err(req, ENOENT);
        return;
     }
+    inotab = fsd->inotab;
+    if(deldentry(fsd, &file, di)) {
+       fuse_reply_err(req, errno);
+       return;
+    }
+    if(btput(fsd->st, &inotab, inoc->inode, &file, sizeof(file), INOBLSIZE)) {
+       fuse_reply_err(req, errno);
+       return;
+    }
+    commit(fsd, inotab);
+    fuse_reply_err(req, 0);
 }
 
 static struct fuse_lowlevel_ops fuseops = {
@@ -548,7 +579,8 @@ static struct fuse_lowlevel_ops fuseops = {
     .getattr = fusegetattr,
     .readdir = fusereaddir,
     .mkdir = fusemkdir,
-    .rmdir = fusermdir,
+    .rmdir = fuseunlink,
+    .unlink = fuseunlink,
 };
 
 int main(int argc, char **argv)