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author | mckusick <mckusick@FreeBSD.org> | 2010-05-20 06:05:40 +0000 |
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committer | mckusick <mckusick@FreeBSD.org> | 2010-05-20 06:05:40 +0000 |
commit | a3bdf68993f4c97ec04ba508b6d7409e1368792b (patch) | |
tree | 60ebdf5f475dbff7b936e7c18f325e77a000a192 /sbin/fsck_ffs | |
parent | 4f3a410a6299d523a11dbd3f97985d4ac0ba15d8 (diff) | |
download | FreeBSD-src-a3bdf68993f4c97ec04ba508b6d7409e1368792b.zip FreeBSD-src-a3bdf68993f4c97ec04ba508b6d7409e1368792b.tar.gz |
Add support to background fsck to delete zero-length directories.
Diffstat (limited to 'sbin/fsck_ffs')
-rw-r--r-- | sbin/fsck_ffs/pass2.c | 31 | ||||
-rw-r--r-- | sbin/fsck_ffs/pass4.c | 3 |
2 files changed, 33 insertions, 1 deletions
diff --git a/sbin/fsck_ffs/pass2.c b/sbin/fsck_ffs/pass2.c index a4f73b3..0fce90e 100644 --- a/sbin/fsck_ffs/pass2.c +++ b/sbin/fsck_ffs/pass2.c @@ -274,6 +274,7 @@ static int pass2check(struct inodesc *idesc) { struct direct *dirp = idesc->id_dirp; + char dirname[MAXPATHLEN + 1]; struct inoinfo *inp; int n, entrysize, ret = 0; union dinode *dp; @@ -436,9 +437,37 @@ again: errmsg = "DUP/BAD"; else if (!preen && !usedsoftdep) errmsg = "ZERO LENGTH DIRECTORY"; - else { + else if (cursnapshot == 0) { n = 1; break; + } else { + getpathname(dirname, idesc->id_number, + dirp->d_ino); + pwarn("ZERO LENGTH DIRECTORY %s I=%d", + dirname, dirp->d_ino); + /* + * We need to: + * setcwd(idesc->id_parent); + * rmdir(dirp->d_name); + */ + cmd.value = idesc->id_number; + if (sysctlbyname("vfs.ffs.setcwd", 0, 0, + &cmd, sizeof cmd) == -1) { + /* kernel lacks support */ + printf(" (IGNORED)\n"); + n = 1; + break; + } + if (rmdir(dirp->d_name) == -1) { + printf(" (REMOVAL FAILED: %s)\n", + strerror(errno)); + n = 1; + break; + } + /* ".." reference to parent is removed */ + inoinfo(idesc->id_number)->ino_linkcnt--; + printf(" (REMOVED)\n"); + break; } fileerror(idesc->id_number, dirp->d_ino, errmsg); if ((n = reply("REMOVE")) == 1) diff --git a/sbin/fsck_ffs/pass4.c b/sbin/fsck_ffs/pass4.c index 8a426ea..4b2af7b 100644 --- a/sbin/fsck_ffs/pass4.c +++ b/sbin/fsck_ffs/pass4.c @@ -97,6 +97,9 @@ pass4(void) break; case DCLEAR: + /* if on snapshot, already cleared */ + if (cursnapshot != 0) + break; dp = ginode(inumber); if (DIP(dp, di_size) == 0) { clri(&idesc, "ZERO LENGTH", 1); |