Date: Mon, 17 May 2021 00:16:56 GMT From: Kirk McKusick <mckusick@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 501b4fb50e80 - stable/13 - Make fsck_ffs more persistent in creating a lost+found directory. Message-ID: <202105170016.14H0Gurv072171@gitrepo.freebsd.org>
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The branch stable/13 has been updated by mckusick: URL: https://cgit.FreeBSD.org/src/commit/?id=501b4fb50e80d9f34ec85f79a4e438d66f9a00e4 commit 501b4fb50e80d9f34ec85f79a4e438d66f9a00e4 Author: Kirk McKusick <mckusick@FreeBSD.org> AuthorDate: 2021-04-26 23:47:27 +0000 Commit: Kirk McKusick <mckusick@FreeBSD.org> CommitDate: 2021-05-17 00:18:31 +0000 Make fsck_ffs more persistent in creating a lost+found directory. (cherry picked from commit 84a0e3f95700733695115fb2a9d84d6666efe5d9) Sponsored by: Netflix --- sbin/fsck_ffs/dir.c | 2 ++ sbin/fsck_ffs/fsutil.c | 6 ++++-- sbin/fsck_ffs/inode.c | 19 +++++++++++++------ 3 files changed, 19 insertions(+), 8 deletions(-) diff --git a/sbin/fsck_ffs/dir.c b/sbin/fsck_ffs/dir.c index e88d1650ce5a..e806f113ff16 100644 --- a/sbin/fsck_ffs/dir.c +++ b/sbin/fsck_ffs/dir.c @@ -801,6 +801,8 @@ allocdir(ino_t parent, ino_t request, int mode) struct dirtemplate *dirp; ino = allocino(request, IFDIR|mode); + if (ino == 0) + return (0); dirp = &dirhead; dirp->dot_ino = ino; dirp->dotdot_ino = parent; diff --git a/sbin/fsck_ffs/fsutil.c b/sbin/fsck_ffs/fsutil.c index ca19f6726af5..276d543dedc6 100644 --- a/sbin/fsck_ffs/fsutil.c +++ b/sbin/fsck_ffs/fsutil.c @@ -1048,8 +1048,10 @@ allocblk(long frags) cg = dtog(&sblock, i + j); cgbp = cglookup(cg); cgp = cgbp->b_un.b_cg; - if (!check_cgmagic(cg, cgbp, 0)) - return (0); + if (!check_cgmagic(cg, cgbp, 0)) { + i = (cg + 1) * sblock.fs_fpg - sblock.fs_frag; + continue; + } baseblk = dtogd(&sblock, i + j); for (k = 0; k < frags; k++) { setbmap(i + j + k); diff --git a/sbin/fsck_ffs/inode.c b/sbin/fsck_ffs/inode.c index 020a69dd72f8..d4e5723f559f 100644 --- a/sbin/fsck_ffs/inode.c +++ b/sbin/fsck_ffs/inode.c @@ -902,22 +902,29 @@ allocino(ino_t request, int type) union dinode *dp; struct bufarea *cgbp; struct cg *cgp; - int cg; + int cg, anyino; - if (request == 0) + anyino = 0; + if (request == 0) { request = UFS_ROOTINO; - else if (inoinfo(request)->ino_state != USTATE) + anyino = 1; + } else if (inoinfo(request)->ino_state != USTATE) return (0); +retry: for (ino = request; ino < maxino; ino++) if (inoinfo(ino)->ino_state == USTATE) break; - if (ino == maxino) + if (ino >= maxino) return (0); cg = ino_to_cg(&sblock, ino); cgbp = cglookup(cg); cgp = cgbp->b_un.b_cg; - if (!check_cgmagic(cg, cgbp, 0)) - return (0); + if (!check_cgmagic(cg, cgbp, 0)) { + if (anyino == 0) + return (0); + request = (cg + 1) * sblock.fs_ipg; + goto retry; + } setbit(cg_inosused(cgp), ino % sblock.fs_ipg); cgp->cg_cs.cs_nifree--; switch (type & IFMT) {
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