diff options
Diffstat (limited to 'meta-networking/recipes-daemons/autofs/autofs-5.0.7/autofs-5.0.7-add-symlink-pseudo-option.patch')
| -rw-r--r-- | meta-networking/recipes-daemons/autofs/autofs-5.0.7/autofs-5.0.7-add-symlink-pseudo-option.patch | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/meta-networking/recipes-daemons/autofs/autofs-5.0.7/autofs-5.0.7-add-symlink-pseudo-option.patch b/meta-networking/recipes-daemons/autofs/autofs-5.0.7/autofs-5.0.7-add-symlink-pseudo-option.patch new file mode 100644 index 0000000000..b0440f4a51 --- /dev/null +++ b/meta-networking/recipes-daemons/autofs/autofs-5.0.7/autofs-5.0.7-add-symlink-pseudo-option.patch @@ -0,0 +1,217 @@ +autofs-5.0.7 - add symlink pseudo option + +From: Ian Kent <raven@themaw.net> + +Add a "symlink" pseudo option to tell the bind mount module to symlink +instead of bind when mounting mounts other than direct mounts and +non-root indirect mount offset mounts (aka. non-root multi-mount +entries). +--- + CHANGELOG | 1 + + include/automount.h | 3 +++ + lib/master_parse.y | 8 +++++++- + lib/master_tok.l | 1 + + man/auto.master.5.in | 8 ++++++++ + modules/mount_autofs.c | 5 +++++ + modules/mount_bind.c | 36 +++++++++++++++++++++++++++++++++++- + 7 files changed, 60 insertions(+), 2 deletions(-) + +diff --git a/CHANGELOG b/CHANGELOG +index c189483..247d334 100644 +--- a/CHANGELOG ++++ b/CHANGELOG +@@ -32,6 +32,7 @@ + - fix wildcard multi map regression. + - fix file descriptor leak when reloading the daemon. + - depricate nosymlink pseudo option. ++- add symlink pseudo option. + + 25/07/2012 autofs-5.0.7 + ======================= +diff --git a/include/automount.h b/include/automount.h +index 37541f5..e72fa0d 100644 +--- a/include/automount.h ++++ b/include/automount.h +@@ -455,6 +455,9 @@ struct kernel_mod_version { + /* Don't use bind mounts even when system supports them */ + #define MOUNT_FLAG_NOBIND 0x0020 + ++/* Use symlinks instead of bind mounting local mounts */ ++#define MOUNT_FLAG_SYMLINK 0x0040 ++ + struct autofs_point { + pthread_t thid; + char *path; /* Mount point name */ +diff --git a/lib/master_parse.y b/lib/master_parse.y +index f925b5a..11caf5b 100644 +--- a/lib/master_parse.y ++++ b/lib/master_parse.y +@@ -57,6 +57,7 @@ static char *type; + static char *format; + static long timeout; + static long negative_timeout; ++static unsigned symlnk; + static unsigned nobind; + static unsigned ghost; + extern unsigned global_selection_options; +@@ -100,7 +101,7 @@ static int master_fprintf(FILE *, char *, ...); + %token COMMENT + %token MAP + %token OPT_TIMEOUT OPT_NTIMEOUT OPT_NOBIND OPT_NOGHOST OPT_GHOST OPT_VERBOSE +-%token OPT_DEBUG OPT_RANDOM OPT_USE_WEIGHT ++%token OPT_DEBUG OPT_RANDOM OPT_USE_WEIGHT OPT_SYMLINK + %token COLON COMMA NL DDASH + %type <strtype> map + %type <strtype> options +@@ -186,6 +187,7 @@ line: + | PATH OPT_USE_WEIGHT { master_notify($1); YYABORT; } + | PATH OPT_DEBUG { master_notify($1); YYABORT; } + | PATH OPT_TIMEOUT { master_notify($1); YYABORT; } ++ | PATH OPT_SYMLINK { master_notify($1); YYABORT; } + | PATH OPT_NOBIND { master_notify($1); YYABORT; } + | PATH OPT_GHOST { master_notify($1); YYABORT; } + | PATH OPT_NOGHOST { master_notify($1); YYABORT; } +@@ -557,6 +559,7 @@ option: daemon_option + + daemon_option: OPT_TIMEOUT NUMBER { timeout = $2; } + | OPT_NTIMEOUT NUMBER { negative_timeout = $2; } ++ | OPT_SYMLINK { symlnk = 1; } + | OPT_NOBIND { nobind = 1; } + | OPT_NOGHOST { ghost = 0; } + | OPT_GHOST { ghost = 1; } +@@ -627,6 +630,7 @@ static void local_init_vars(void) + debug = 0; + timeout = -1; + negative_timeout = 0; ++ symlnk = 0; + nobind = 0; + ghost = defaults_get_browse_mode(); + random_selection = global_selection_options & MOUNT_FLAG_RANDOM_SELECT; +@@ -811,6 +815,8 @@ int master_parse_entry(const char *buffer, unsigned int default_timeout, unsigne + entry->ap->flags |= MOUNT_FLAG_RANDOM_SELECT; + if (use_weight) + entry->ap->flags |= MOUNT_FLAG_USE_WEIGHT_ONLY; ++ if (symlnk) ++ entry->ap->flags |= MOUNT_FLAG_SYMLINK; + if (negative_timeout) + entry->ap->negative_timeout = negative_timeout; + +diff --git a/lib/master_tok.l b/lib/master_tok.l +index 30abb15..f9b4e55 100644 +--- a/lib/master_tok.l ++++ b/lib/master_tok.l +@@ -361,6 +361,7 @@ OPTNTOUT (-n{OPTWS}|-n{OPTWS}={OPTWS}|--negative-timeout{OPTWS}|--negative-timeo + return(NUMBER); + } + ++ -?symlink { return(OPT_SYMLINK); } + -?nobind { return(OPT_NOBIND); } + -?nobrowse { return(OPT_NOGHOST); } + -g|--ghost|-?browse { return(OPT_GHOST); } +diff --git a/man/auto.master.5.in b/man/auto.master.5.in +index 8007542..bbea43a 100644 +--- a/man/auto.master.5.in ++++ b/man/auto.master.5.in +@@ -159,6 +159,14 @@ on individual map entries of both types. Bind mounting of NFS file + systems can also be prevented for specific map entrys by adding the + "port=" mount option to the entries. + .TP ++.I "symlink" ++This option makes bind mounting use a symlink instead of an actual bind ++mount. It is an autofs specific option that is a pseudo mount option and ++so is given without a leading dash. It may be used with indirect map ++entries only, either in the master map (so it effects all map entries) ++or with individual map entries. The option is ignored for direct mounts ++and non-root offest mount entries. ++.TP + .I "\-r, \-\-random-multimount-selection" + Enables the use of ramdom selection when choosing a host from a + list of replicated servers. This option is applied to this mount +diff --git a/modules/mount_autofs.c b/modules/mount_autofs.c +index ef16020..8c1e600 100644 +--- a/modules/mount_autofs.c ++++ b/modules/mount_autofs.c +@@ -51,6 +51,7 @@ int mount_mount(struct autofs_point *ap, const char *root, const char *name, + int argc, status; + int nobind = ap->flags & MOUNT_FLAG_NOBIND; + int ghost = ap->flags & MOUNT_FLAG_GHOST; ++ int symlnk = ap->flags & MOUNT_FLAG_SYMLINK; + time_t timeout = ap->entry->maps->exp_timeout; + unsigned logopt = ap->logopt; + struct map_type_info *info; +@@ -120,6 +121,8 @@ int mount_mount(struct autofs_point *ap, const char *root, const char *name, + nobind = 1; + else if (strncmp(cp, "browse", 6) == 0) + ghost = 1; ++ else if (strncmp(cp, "symlink", 7) == 0) ++ symlnk = 1; + else if (strncmp(cp, "timeout=", 8) == 0) { + char *val = strchr(cp, '='); + unsigned tout; +@@ -158,6 +161,8 @@ int mount_mount(struct autofs_point *ap, const char *root, const char *name, + } + nap = entry->ap; + nap->parent = ap; ++ if (symlnk) ++ nap->flags |= MOUNT_FLAG_SYMLINK; + + argc = 1; + +diff --git a/modules/mount_bind.c b/modules/mount_bind.c +index 9bce686..4975294 100644 +--- a/modules/mount_bind.c ++++ b/modules/mount_bind.c +@@ -73,10 +73,44 @@ int mount_mount(struct autofs_point *ap, const char *root, const char *name, int + char buf[MAX_ERR_BUF]; + int err; + int i, len; ++ int symlnk = (*name != '/' && (ap->flags & MOUNT_FLAG_SYMLINK)); + + if (ap->flags & MOUNT_FLAG_REMOUNT) + return 0; + ++ /* Extract "symlink" pseudo-option which forces local filesystems ++ * to be symlinked instead of bound. ++ */ ++ if (*name != '/' && !symlnk && options) { ++ const char *comma; ++ int o_len = strlen(options) + 1; ++ ++ for (comma = options; *comma != '\0';) { ++ const char *cp; ++ const char *end; ++ ++ while (*comma == ',') ++ comma++; ++ ++ /* Skip leading white space */ ++ while (*comma == ' ' || *comma == '\t') ++ comma++; ++ ++ cp = comma; ++ while (*comma != '\0' && *comma != ',') ++ comma++; ++ ++ /* Skip trailing white space */ ++ end = comma - 1; ++ while (*comma == ' ' || *comma == '\t') ++ end--; ++ ++ o_len = end - cp + 1; ++ if (strncmp("symlink", cp, o_len) == 0) ++ symlnk = 1; ++ } ++ } ++ + /* Root offset of multi-mount */ + len = strlen(root); + if (root[len - 1] == '/') { +@@ -100,7 +134,7 @@ int mount_mount(struct autofs_point *ap, const char *root, const char *name, int + if (options == NULL || *options == '\0') + options = "defaults"; + +- if (bind_works) { ++ if (!symlnk && bind_works) { + int status, existed = 1; + + debug(ap->logopt, MODPREFIX "calling mkdir_path %s", fullpath); |