X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Fzfs_ioctl.c;h=c609203ea46d9f08c871daf7db07d21cc5a55f55;hb=8780c53961e668211682d40ad36946294c3145d8;hp=7a27f70bbc4f7e1a051d1bf557bf73e50d64381a;hpb=1bd201e70d57464fd26bf9089ea4b44fd49e4f2d;p=zfs.git diff --git a/module/zfs/zfs_ioctl.c b/module/zfs/zfs_ioctl.c index 7a27f70..c609203 100644 --- a/module/zfs/zfs_ioctl.c +++ b/module/zfs/zfs_ioctl.c @@ -25,6 +25,7 @@ * Copyright (c) 2012, Joyent, Inc. All rights reserved. * Copyright 2011 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2012 by Delphix. All rights reserved. + * Copyright (c) 2012, Joyent, Inc. All rights reserved. */ #include @@ -53,6 +54,7 @@ #include #include #include +#include #include #include #include @@ -3890,8 +3892,8 @@ zfs_ioc_send(zfs_cmd_t *zc) } off = fp->f_offset; - error = dmu_sendbackup(tosnap, fromsnap, zc->zc_obj, - fp->f_vnode, &off); + error = dmu_send(tosnap, fromsnap, zc->zc_obj, + zc->zc_cookie, fp->f_vnode, &off); if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) fp->f_offset = off; @@ -3903,6 +3905,50 @@ zfs_ioc_send(zfs_cmd_t *zc) return (error); } +/* + * inputs: + * zc_name name of snapshot on which to report progress + * zc_cookie file descriptor of send stream + * + * outputs: + * zc_cookie number of bytes written in send stream thus far + */ +static int +zfs_ioc_send_progress(zfs_cmd_t *zc) +{ + dsl_dataset_t *ds; + dmu_sendarg_t *dsp = NULL; + int error; + + if ((error = dsl_dataset_hold(zc->zc_name, FTAG, &ds)) != 0) + return (error); + + mutex_enter(&ds->ds_sendstream_lock); + + /* + * Iterate over all the send streams currently active on this dataset. + * If there's one which matches the specified file descriptor _and_ the + * stream was started by the current process, return the progress of + * that stream. + */ + + for (dsp = list_head(&ds->ds_sendstreams); dsp != NULL; + dsp = list_next(&ds->ds_sendstreams, dsp)) { + if (dsp->dsa_outfd == zc->zc_cookie && + dsp->dsa_proc->group_leader == curproc->group_leader) + break; + } + + if (dsp != NULL) + zc->zc_cookie = *(dsp->dsa_off); + else + error = ENOENT; + + mutex_exit(&ds->ds_sendstream_lock); + dsl_dataset_rele(ds, FTAG); + return (error); +} + static int zfs_ioc_inject_fault(zfs_cmd_t *zc) { @@ -4048,7 +4094,17 @@ zfs_ioc_pool_reopen(zfs_cmd_t *zc) return (error); spa_vdev_state_enter(spa, SCL_NONE); + + /* + * If a resilver is already in progress then set the + * spa_scrub_reopen flag to B_TRUE so that we don't restart + * the scan as a side effect of the reopen. Otherwise, let + * vdev_open() decided if a resilver is required. + */ + spa->spa_scrub_reopen = dsl_scan_resilvering(spa->spa_dsl_pool); vdev_reopen(spa->spa_root_vdev); + spa->spa_scrub_reopen = B_FALSE; + (void) spa_vdev_state_exit(spa, NULL, 0); spa_close(spa, FTAG); return (0); @@ -4849,6 +4905,8 @@ static zfs_ioc_vec_t zfs_ioc_vec[] = { POOL_CHECK_SUSPENDED }, { zfs_ioc_pool_reopen, zfs_secpolicy_config, POOL_NAME, B_TRUE, POOL_CHECK_SUSPENDED }, + { zfs_ioc_send_progress, zfs_secpolicy_read, DATASET_NAME, B_FALSE, + POOL_CHECK_NONE } }; int