src-test2/sys/ufs/ffs/ffs_alloc.c, branch release/4.3.0_cvs FreeBSD source tree https://cgit-dev.freebsd.org/src-test2/atom?h=release%2F4.3.0_cvs 2001-04-21T05:50:02Z This commit was manufactured by cvs2svn to create tag 2001-04-21T05:50:02Z cvs2svn cvs2svn@FreeBSD.org 2001-04-21T05:50:02Z urn:sha1:1598515ece5ff1d40692c49b4a62801332aa8be1 'RELENG_4_3_0_RELEASE'. This commit was manufactured to restore the state of the 4.3-RELEASE image. Releases prior to 5.3-RELEASE are omitting the secure/ and crypto/ subdirs. MFC: 1.65 2000-03-16T08:15:53Z Paul Saab ps@FreeBSD.org 2000-03-16T08:15:53Z urn:sha1:6d450870fc32aa658b22cc5742b75a825813f6f5 Use 64-bit math to decide if optimization needs to be changed. Kirk also made structural changes, which he did not mention in the previous commit. Merge those as well. Several performance improvements for soft updates have been added: 2000-01-10T00:24:24Z Kirk McKusick mckusick@FreeBSD.org 2000-01-10T00:24:24Z urn:sha1:cf60e8e4bf442e10aeb65803cfcbdb1cd3a875e3 1) Fastpath deletions. When a file is being deleted, check to see if it was so recently created that its inode has not yet been written to disk. If so, the delete can proceed to immediately free the inode. 2) Background writes: No file or block allocations can be done while the bitmap is being written to disk. To avoid these stalls, the bitmap is copied to another buffer which is written thus leaving the original available for futher allocations. 3) Link count tracking. Constantly track the difference in i_effnlink and i_nlink so that inodes that have had no change other than i_effnlink need not be written. 4) Identify buffers with rollback dependencies so that the buffer flushing daemon can choose to skip over them. Change incorrect NULLs to 0s 1999-12-21T11:14:12Z Eivind Eklund eivind@FreeBSD.org 1999-12-21T11:14:12Z urn:sha1:369dc8ceb8c9e6db02bee508b6483327dd1995a9 Preferentially allocate the first indirect block in the same 1999-12-01T19:33:12Z Kirk McKusick mckusick@FreeBSD.org 1999-12-01T19:33:12Z urn:sha1:9f54c052866712557a8408827d5f1ef19997c559 cylinder group as the inode. This makes a 15% difference in read speed for files in the 96K to 500K size range. $Id$ -> $FreeBSD$ 1999-08-28T01:08:13Z Peter Wemm peter@FreeBSD.org 1999-08-28T01:08:13Z urn:sha1:c3aac50f284c6cca5b4f2eb46aaa13812cb8b630 Fix bug introduced in rev 1.28, which causes kernel build to break for 1999-08-24T08:39:41Z Sheldon Hearn sheldonh@FreeBSD.org 1999-08-24T08:39:41Z urn:sha1:740e3a15f7c440afe1019cce3487363fe02a0fca the case where DEBUG is defined but not DIAGNOSTIC. ffs_checkblk is declared conditionally on DIAGNOSTIC, not DEBUG. PR: 13314 Reviewed by: bde Use devtoname() to print dev_t's instead of casting them to long or u_long 1999-08-23T20:35:21Z Bruce Evans bde@FreeBSD.org 1999-08-23T20:35:21Z urn:sha1:d9183205179005f7582d41a23d4588b0b1140298 for misprinting in %lx format. Try and fix a dev_t/major/minor etc nit. 1999-05-12T22:32:07Z Peter Wemm peter@FreeBSD.org 1999-05-12T22:32:07Z urn:sha1:51b52266830d0560649be206b5224dd51a3e2541 Add sufficient braces to keep egcs happy about potentially ambiguous 1999-05-06T18:13:11Z Peter Wemm peter@FreeBSD.org 1999-05-06T18:13:11Z urn:sha1:dfd5dee1b0cf927c9d59de8e423325603f86b500 if/else nesting.