X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=linux_module%2Fiface-file.c;h=be8ed3ec817f9f0e5cde77a7e1ef93a54366d79e;hb=c3b52f20c568ae977924e35340d0cc259634d44f;hp=3d8ab4da48e1c307399549581a28925d4c711558;hpb=c4beaffa640916f82593013a1b272ce09ee1cfbd;p=palacios.git diff --git a/linux_module/iface-file.c b/linux_module/iface-file.c index 3d8ab4d..be8ed3e 100644 --- a/linux_module/iface-file.c +++ b/linux_module/iface-file.c @@ -81,7 +81,10 @@ static int mkdir_recursive(const char * path, unsigned short perms) { // Ignore empty directories if ((tmp_iter - dirname_ptr) > 1) { - palacios_file_mkdir(tmp_str, perms, 0); + if (palacios_file_mkdir(tmp_str, perms, 0) != 0) { + printk("Could not create directory (%s)\n", tmp_str); + return -1; + } } if (done) { @@ -101,6 +104,7 @@ static int mkdir_recursive(const char * path, unsigned short perms) { } static int palacios_file_mkdir(const char * pathname, unsigned short perms, int recurse) { + /* Welcome to the jungle... */ #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0) /* DO NOT REFERENCE THIS VARIABLE */ @@ -122,7 +126,20 @@ static int palacios_file_mkdir(const char * pathname, unsigned short perms, int #if LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0) { struct nameidata nd; + + // I'm not 100% sure about the version here, but it was around this time that the API changed +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35) ret = kern_path_parent(pathname, &nd); +#else + + if (path_lookup(pathname, LOOKUP_DIRECTORY | LOOKUP_FOLLOW, &nd) == 0) { + return 0; + } + + if (path_lookup(pathname, LOOKUP_PARENT | LOOKUP_FOLLOW, &nd) != 0) { + return -1; + } +#endif if (ret != 0) { printk("%s:%d - Error: kern_path_parent() returned error for (%s)\n", __FILE__, __LINE__, @@ -138,7 +155,7 @@ static int palacios_file_mkdir(const char * pathname, unsigned short perms, int dentry = kern_path_create(AT_FDCWD, pathname, &tmp_path, 1); if (IS_ERR(dentry)) { - return -1; + return 0; } path_ptr = &tmp_path; @@ -152,6 +169,7 @@ static int palacios_file_mkdir(const char * pathname, unsigned short perms, int mutex_unlock(&(path_ptr->dentry->d_inode->i_mutex)); path_put(path_ptr); + return ret; } @@ -297,6 +315,8 @@ static int file_init( void ) { V3_Init_File(&palacios_file_hooks); + palacios_file_mkdir("/test/test/test/qr14/acqwe2",0755, 1); + return 0; } @@ -316,6 +336,7 @@ static int guest_file_init(struct v3_guest * guest, void ** vm_data) { *vm_data = state; + return 0; }