Date: Thu, 24 Oct 2002 17:20:37 -0700 (PDT) From: Kirk McKusick <mckusick@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/fs/specfs spec_vnops.c src/sys/kern vfs_subr.c vfs_vnops.c src/sys/sys vnode.h src/sys/ufs/ffs ffs_snapshot.c ffs_vfsops.c Message-ID: <200210250020.g9P0Kbar042251@repoman.freebsd.org>
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mckusick 2002/10/24 17:20:37 PDT
Modified files:
sys/fs/specfs spec_vnops.c
sys/kern vfs_subr.c vfs_vnops.c
sys/sys vnode.h
sys/ufs/ffs ffs_snapshot.c ffs_vfsops.c
Log:
Within ufs, the ffs_sync and ffs_fsync functions did not always
check for and/or report I/O errors. The result is that a VFS_SYNC
or VOP_FSYNC called with MNT_WAIT could loop infinitely on ufs in
the presence of a hard error writing a disk sector or in a filesystem
full condition. This patch ensures that I/O errors will always be
checked and returned. This patch also ensures that every call to
VFS_SYNC or VOP_FSYNC with MNT_WAIT set checks for and takes
appropriate action when an error is returned.
Sponsored by: DARPA & NAI Labs.
Revision Changes Path
1.184 +14 -4 src/sys/fs/specfs/spec_vnops.c
1.417 +3 -3 src/sys/kern/vfs_subr.c
1.175 +8 -3 src/sys/kern/vfs_vnops.c
1.216 +1 -1 src/sys/sys/vnode.h
1.48 +4 -1 src/sys/ufs/ffs/ffs_snapshot.c
1.195 +7 -3 src/sys/ufs/ffs/ffs_vfsops.c
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