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2021-03-11spellingjsg2-4/+4
2020-02-27Remove unused "struct proc *" argument from the following functions:mpi5-37/+34
- ufs_chown() & ufs_chmod() - ufs_reclaim() - ext2fs_chown() & ext2fs_chmod() - ntfs_ntget() & ntfs_ntput() - ntfs_vgetex(), ntfs_ntlookup() & ntfs_ntlookupfile() While here use `ap->a_p' directly when it is only required to re-enter the VFS layer in order to help reducing the loop. ok visa@
2020-01-20struct vops is not modified during runtime so use const which moves eachclaudio2-4/+4
into read-only data segment. OK deraadt@ tedu@
2019-12-26Convert struct vfsops initializer to C99 style.bluhm1-14/+14
OK visa@
2019-07-25vinvalbuf(9): tlseep -> tsleep_nsec(9); ok millert@cheloha1-3/+3
2018-05-27Drop unnecessary `p' parameter from vget(9).visa1-2/+2
OK mpi@
2018-05-02Remove proc from the parameters of vn_lock(). The parameter isvisa2-8/+8
unnecessary because curproc always does the locking. OK mpi@
2018-04-28Clean up the parameters of VOP_LOCK() and VOP_UNLOCK(). It is alwaysvisa2-8/+7
curproc that does the locking or unlocking, so the proc parameter is pointless and can be dropped. OK mpi@, deraadt@
2018-02-10Syncronize filesystems to disk when suspending. Each mountpoint's vnodesderaadt1-3/+3
are pushed to disk. Dangling vnodes (unlinked files still in use) and vnodes undergoing change by long-running syscalls are identified -- and such filesystems are marked dirty on-disk while we are suspended (in case power is lost, a fsck will be required). Filesystems without dangling or busy vnodes are marked clean, resulting in faster boots following "battery died" circumstances. Tested by numerous developers, thanks for the feedback.
2017-12-11In uvm Chuck decided backing store would not be allocated proactivelyderaadt1-13/+8
for blocks re-fetchable from the filesystem. However at reboot time, filesystems are unmounted, and since processes lack backing store they are killed. Since the scheduler is still running, in some cases init is killed... which drops us to ddb [noted by bluhm]. Solution is to convert filesystems to read-only [proposed by kettenis]. The tale follows: sys_reboot() should pass proc * to MD boot() to vfs_shutdown() which completes current IO with vfs_busy VB_WRITE|VB_WAIT, then calls VFS_MOUNT() with MNT_UPDATE | MNT_RDONLY, soon teaching us that *fs_mount() calls a copyin() late... so store the sizes in vfsconflist[] and move the copyin() to sys_mount()... and notice nfs_mount copyin() is size-variant, so kill legacy struct nfs_args3. Next we learn ffs_mount()'s MNT_UPDATE code is sharp and rusty especially wrt softdep, so fix some bugs adn add ~MNT_SOFTDEP to the downgrade. Some vnodes need a little more help, so tie them to &dead_vnops. ffs_mount calling DIOCCACHESYNC is causing a bit of grief still but this issue is seperate and will be dealt with in time. couple hundred reboots by bluhm and myself, advice from guenther and others at the hut
2017-04-11Partially revert previous mallocarray conversions that containdhill1-2/+2
constants. The consensus is that if both operands are constant, we don't need mallocarray. Reminded by tedu@ ok deraadt@
2017-04-09Convert a malloc(9) to mallocarray(9)dhill1-2/+2
ok deraadt@
2017-03-20Read the free clusters bitmap in 1MB chunksjca1-10/+23
instead of trying to read it in one go and panic in malloc(9) with large NTFS filesystems. panic reported and fix tested by landry@
2016-09-24use hashfree in fs code. from Mathieu -tedu1-2/+2
ok guenther
2016-09-07Remove usermount remnants. ok tedunatano1-13/+1
2016-09-01Remove the unused ntfs write code. ok benno becknatano4-230/+15
2016-08-31Remove some unnecessary assignments in ntfs_subr.c, and move onetom1-6/+3
assignment into the for() loop where it looks better ok otto@ krw@
2016-08-13Eliminate pointless casts to qaddr_t of a value being assigned to a void*guenther1-2/+2
ok kettenis@ krw@ natano@ dlg@ espie@
2016-08-10Kill stale prototypes.natano1-4/+1
ok deraadt millert stefan
2016-06-19Remove the lockmgr() API. It is only used by filesystems, where it is anatano1-2/+2
trivial change to use rrw locks instead. All it needs is LK_* defines for the RW_* flags. tested by naddy and sthen on package building infrastructure input and ok jmc mpi tedu
2016-06-01mkdir() on ntfs should return EROFS, not ENOENT.natano1-8/+14
issue found by landry ok kettenis millert
2016-05-22When pulling an msdos formated umass stick during mount while thebluhm1-2/+3
usb stack was busy, the kernel could trigger an uvm fault. There is a race between vop_generic_revoke() and sys_mount() where vgonel() could reset v_specinfo. Then v_specmountpoint is no longer valid. So after sleeping, msdosfs_mountfs() could crash in the error path. The code in the different *_mountfs() functions was inconsistent, implement the same check everywhere. OK krw@ natano@
2016-04-26Populate all necessary statfs members in .vfs_statfs. cd9660, udf,natano1-10/+4
msdosfs and nfsv2 don't set f_namemax. ntfs and ext2fs don't set f_namemeax and f_favail. fusefs doesn't set f_mntfromspec, f_favail and f_iosize. Also, make all filesystems use copy_statfs_info(), so that all statfs information is filled in correctly for the (sb != &mp->mnt-stat) case. ok stefan
2016-03-27When pulling and unmounting an umass USB stick, the file systembluhm1-6/+4
could end up in an inconsistent state. The fstype dependent mp->mnt_data was NULL, but the general mp was still listed as a valid mount point. Next access to the file system would crash with a NULL pointer dereference. If closing the device fails, the mount point must go away anyway. There is nothing we can do about it. Remove the workaround for the EIO error in the general unmount code, but do not generate any error in the file system specific unmount functions. OK natano@ beck@
2016-03-19Remove the unused flags argument from VOP_UNLOCK().natano2-8/+8
torture tested on amd64, i386 and macppc ok beck mpi stefan "the change looks right" deraadt
2016-03-17Set mnt_data to NULL after freeing the file system specific mount point.bluhm1-3/+3
OK krw@ natano@ as part of a larger diff
2016-03-05ntfs populates ntfs_args, not msdosfs_args; ok espie@natano1-3/+3
2016-02-27Move mnt_maxsymlink from struct mount to struct ufsmount.natano1-2/+1
The concept of differentiating between "short" and "long" symlinks is specific to ufs/, so it shouldn't creep into the generic fs layer. Inspired by a similar commit to NetBSD. While there replace all references to mnt_maxsymlinklen in ufs/ext2fs with EXT2_MAXSYMLINKLEN, which is the constant max short symlink len for ext2fs. This allows to get rid of some (mnt_maxsymlinklen == 0) checks there, which is always false for ext2fs. input and ok stefan@ ok millert@
2016-02-07Convert to uiomove. While there, use size_t consistently forstefan1-32/+31
variables 'left' and 'tocopy' and adapt printf and DPRINTF format strings accordingly. From Martin Natano.
2015-03-14Remove some includes include-what-you-use claims don'tjsg4-8/+4
have any direct symbols used. Tested for indirect use by compiling amd64/i386/sparc64 kernels. ok tedu@ deraadt@
2015-02-10Convert uiomovei() with a constant size argument to uiomove().miod1-3/+3
2015-02-10Switch uiomovei(..., sizeof whatever, ...) to uiomove().miod1-4/+4
2015-02-10First step towards making uiomove() take a size_t size argument:miod2-12/+12
- rename uiomove() to uiomovei() and update all its users. - introduce uiomove(), which is similar to uiomovei() but with a size_t. - rewrite uiomovei() as an uiomove() wrapper. ok kettenis@
2015-01-09rename desiredvnodes to initialvnodes. less of a lie. ok beck deraadttedu1-2/+2
2014-12-16must include lock.h if you want to play with lockstedu3-3/+6
2014-12-09Sprinkle in a little more mallocarray().doug2-5/+5
ok deraadt@ tedu@
2014-11-18Nuke yet more obvious #include duplications.krw1-2/+1
ok miod@
2014-11-18use siphash for key lookups in all the filesystem hashes.dlg1-2/+20
ok deraadt@ tedu@
2014-09-14remove uneeded proc.h includesjsg2-4/+2
ok mpi@ kspillner@
2014-07-12add a size argument to free. will be used soon, but for now default to 0.tedu4-31/+31
after discussions with beck deraadt kettenis.
2014-07-08decouple struct uvmexp into a new file, so that uvm_extern.h and sysctl.hderaadt1-3/+1
don't need to be married. ok guenther miod beck jsing kettenis
2014-01-19lazy init nthash to save some memory when it's not used. ok jsingtedu4-20/+19
2013-12-14Zero out dirent structures that will be copied out to avoid leaking garbageguenther1-30/+30
in the padding or trailing name bytes. ok beck@ millert@ espie@
2013-12-12Set the d_off member as getdents() expects in ntfs_readdir()guenther1-1/+2
ok and nudge jsing@
2013-12-02Stop trying to put an off_t into an int, which results in a 2GB limit.jsing1-3/+3
From NetBSD. ok krw@
2013-12-02Avoid truncating 64-bit on disk attribute values to 32-bits. Otherwise anjsing2-7/+7
attribute's data length value wraps at 4GB. ok krw@
2013-12-02Use appropriate format specifiers in debug messages. In particular, avoidjsing3-132/+121
casting almost everything to u_int32_t, then formatting as a signed int (which really helps when you're trying to debug based on 64-bit values). Looked over by krw@
2013-11-24Clean up the NTFS debug code - use uppercase names for the debug macros,jsing6-225/+217
especially since 'dprintf' now has another meaning (at least outside of the kernel). Tweak the macro syntax so we can avoid having to double bracket all invocations. Also apply a good dose of style(9). ok krw@
2013-08-13Switch time_t, ino_t, clock_t, and struct kevent's ident and dataguenther1-35/+8
members to 64bit types. Assign new syscall numbers for (almost all) the syscalls that involve the affected types, including anything with time_t, timeval, itimerval, timespec, rusage, dirent, stat, or kevent arguments. Add a d_off member to struct dirent and replace getdirentries() with getdents(), thus immensely simplifying and accelerating telldir/seekdir. Build perl with -DBIG_TIME. Bump the major on every single base library: the compat bits included here are only good enough to make the transition; the T32 compat option will be burned as soon as we've reached the new world are are happy with the snapshots for all architectures. DANGER: ABI incompatibility. Updating to this kernel requires extra work or you won't be able to login: install a snapshot instead. Much assistance in fixing userland issues from deraadt@ and tedu@ and build assistance from todd@ and otto@
2013-06-11final removal of daddr64_t. daddr_t has been 64 bit for a long enoughderaadt2-4/+4
test period; i think 3 years ago the last bugs fell out. ok otto beck others
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