diff options
Diffstat (limited to 'xlators/mount/fuse/src/fuse-bridge.c')
| -rw-r--r-- | xlators/mount/fuse/src/fuse-bridge.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/xlators/mount/fuse/src/fuse-bridge.c b/xlators/mount/fuse/src/fuse-bridge.c index c1ce008eace..3a779625a08 100644 --- a/xlators/mount/fuse/src/fuse-bridge.c +++ b/xlators/mount/fuse/src/fuse-bridge.c @@ -5976,6 +5976,16 @@ fuse_thread_proc(void *data) "glusterfs-fuse: read from " "/dev/fuse returned -1 (%s)", strerror(errno)); + if (errno == EPERM) { + /* + * sleep a while to avoid busy looping + * on EPERM condition + */ + nanosleep( + &(struct timespec){0, + priv->fuse_dev_eperm_ratelimit_ns}, + NULL); + } } goto cont_err; @@ -6692,6 +6702,9 @@ init(xlator_t *this_xl) GF_OPTION_INIT("flush-handle-interrupt", priv->flush_handle_interrupt, bool, cleanup_exit); + GF_OPTION_INIT("fuse-dev-eperm-ratelimit-ns", + priv->fuse_dev_eperm_ratelimit_ns, uint32, cleanup_exit); + /* user has set only background-qlen, not congestion-threshold, use the fuse kernel driver formula to set congestion. ie, 75% */ if (dict_get(this_xl->options, "background-qlen") && @@ -7023,6 +7036,15 @@ struct volume_options options[] = { "if same files/directories are not accessed across " "two different mounts concurrently", }, + { + .key = {"fuse-dev-eperm-ratelimit-ns"}, + .type = GF_OPTION_TYPE_INT, + .default_value = "10000000", /* 0.01 sec */ + .min = 0, + .max = 1000000000, + .description = "Rate limit reading from fuse device upon EPERM " + "failure.", + }, {.key = {NULL}}, }; |