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Fri, 20 Jan 2023 03:23:24 GMT (envelope-from git) Date: Fri, 20 Jan 2023 03:23:24 GMT Message-Id: <202301200323.30K3NOpG042115@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Konstantin Belousov Subject: git: 9b2f554dca7d - stable/13 - Add 'show tmpfs' ddb command List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: 9b2f554dca7d3a8104a760df69e011acec592df9 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=9b2f554dca7d3a8104a760df69e011acec592df9 commit 9b2f554dca7d3a8104a760df69e011acec592df9 Author: Konstantin Belousov AuthorDate: 2022-10-20 14:30:00 +0000 Commit: Konstantin Belousov CommitDate: 2023-01-20 03:19:01 +0000 Add 'show tmpfs' ddb command Tested by: pho (cherry picked from commit 83aff0f08c525ea3c394f3dd6598665cd369d53c) --- sys/fs/tmpfs/tmpfs_vfsops.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/sys/fs/tmpfs/tmpfs_vfsops.c b/sys/fs/tmpfs/tmpfs_vfsops.c index b8ecedbb0348..c80042286948 100644 --- a/sys/fs/tmpfs/tmpfs_vfsops.c +++ b/sys/fs/tmpfs/tmpfs_vfsops.c @@ -43,6 +43,7 @@ * allocate and release resources. */ +#include "opt_ddb.h" #include "opt_tmpfs.h" #include @@ -696,3 +697,44 @@ struct vfsops tmpfs_vfsops = { .vfs_uninit = tmpfs_uninit, }; VFS_SET(tmpfs_vfsops, tmpfs, VFCF_JAIL); + +#ifdef DDB +#include + +static void +db_print_tmpfs(struct mount *mp, struct tmpfs_mount *tmp) +{ + db_printf("mp %p (%s) tmp %p\n", mp, + mp->mnt_stat.f_mntonname, tmp); + db_printf( + "\tsize max %ju pages max %lu pages used %lu\n" + "\tinodes max %ju inodes inuse %ju refcount %ju\n" + "\tmaxfilesize %ju r%c %snamecache %smtime\n", + (uintmax_t)tmp->tm_size_max, tmp->tm_pages_max, tmp->tm_pages_used, + (uintmax_t)tmp->tm_nodes_max, (uintmax_t)tmp->tm_nodes_inuse, + (uintmax_t)tmp->tm_refcount, (uintmax_t)tmp->tm_maxfilesize, + tmp->tm_ronly ? 'o' : 'w', tmp->tm_nonc ? "no" : "", + tmp->tm_nomtime ? "no" : ""); +} + +DB_SHOW_COMMAND(tmpfs, db_show_tmpfs) +{ + struct mount *mp; + struct tmpfs_mount *tmp; + + if (have_addr) { + mp = (struct mount *)addr; + tmp = VFS_TO_TMPFS(mp); + db_print_tmpfs(mp, tmp); + return; + } + + TAILQ_FOREACH(mp, &mountlist, mnt_list) { + if (strcmp(mp->mnt_stat.f_fstypename, tmpfs_vfsconf.vfc_name) == + 0) { + tmp = VFS_TO_TMPFS(mp); + db_print_tmpfs(mp, tmp); + } + } +} +#endif /* DDB */