diff options
Diffstat (limited to 'xlators/storage/posix/src/posix.c')
| -rw-r--r-- | xlators/storage/posix/src/posix.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c index 59b2535105b..a0027055fad 100644 --- a/xlators/storage/posix/src/posix.c +++ b/xlators/storage/posix/src/posix.c @@ -5662,6 +5662,40 @@ init (xlator_t *this) _private->base_path = gf_strdup (dir_data->data); _private->base_path_length = strlen (_private->base_path); + /* + * _XOPEN_PATH_MAX is the longest file path len we MUST + * support according to POSIX standard. When prepended + * by the brick base path it may exceed backed filesystem + * capacity (which MAY be bigger than _XOPEN_PATH_MAX). If + * this is the case, chdir() to the brick base path and + * use relative paths when they are too long. See also + * MAKE_REAL_PATH in posix-handle.h + */ + _private->path_max = pathconf(_private->base_path, _PC_PATH_MAX); + if (_private->path_max != -1 && + _XOPEN_PATH_MAX + _private->base_path_length > _private->path_max) { + ret = chdir(_private->base_path); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "chdir() to \"%s\" failed", + _private->base_path); + goto out; + } +#ifdef __NetBSD__ + /* + * At least on NetBSD, the chdir() above uncovers a + * race condition which cause file lookup to fail + * with ENODATA for a few seconds. The volume quickly + * reaches a sane state, but regression tests are fast + * enough to choke on it. The reason is obscure (as + * often with race conditions), but sleeping here for + * a second seems to workaround the problem. + */ + sleep(1); +#endif + } + + LOCK_INIT (&_private->lock); ret = dict_get_str (this->options, "hostname", &_private->hostname); |