| /freebsd/share/doc/smm/03.fsck/ |
| H A D | 3.t | 42 physically write-protecting a mounted file system,
43 or a mounted file system is taken off-line.
57 can be as subtle as a bad block
58 on a disk pack, or as blatant as a non-functional disk-controller.
64 is run non-interactively.
96 is a multi-pass program.
104 Super-block checking
108 associated with the super-block.
115 The super-block is checked for inconsistencies
116 involving file-system size, number of inodes,
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| H A D | 4.t | 30 Appendix A \- Fsck_ffs Error Conditions
36 a multi-pass file system check program.
44 path-names,
53 is run non-interactively to
107 legal options are \-b, \-c, \-y, \-n, and \-p.
176 Either the \-n flag was specified or
184 .B "file is not a block or character device; OK"
241 The number of physical sectors per track is less than the number
246 The npsect parameter is set to the number of usable sectors per track.
253 .B "MAGIC NUMBER WRONG"
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| H A D | 2.t | 38 .I "super-block" .
39 The super-block is built when the file system is created (\c
42 The super-block
44 such as the number of data blocks it contains
45 and a count of the maximum number of files.
46 Because the super-block contains critical data,
50 .I "default super block"
56 or other hard disk error causes the default super-block
73 \(dgThe actual number may vary from system to system, but is usually in
74 the range 5-13.
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| /freebsd/share/man/man5/ |
| H A D | fs.5 | 55 The block size and number of blocks which
68 .Em super-block
71 The following structure describes the super-block and is
74 .Bd -literal
76 * Super block for an FFS filesystem.
81 int32_t fs_sblkno; /* offset of super-block in filesys */
82 int32_t fs_cblkno; /* offset of cyl-block in filesys */
83 int32_t fs_iblkno; /* offset of inode-blocks in filesys */
88 int32_t fs_old_size; /* number of blocks in fs */
89 int32_t fs_old_dsize; /* number of data blocks in fs */
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| /freebsd/share/doc/psd/03.iosys/ |
| H A D | iosys | 1 .\" Copyright (C) Caldera International Inc. 2001-2002. All rights reserved.
37 .EH 'PSD:3-%''The UNIX I/O System'
38 .OH 'The UNIX I/O System''PSD:3-%'
61 in the paper ``The UNIX Time-sharing System.''
74 .I block
77 The block interface is suitable for devices
79 which work, or can work, with addressible 512-byte blocks.
83 backward spacing any block can be read, even though
85 Block devices can at least potentially contain a mounted
87 The interface to block devices is very highly structured;
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| /freebsd/sys/fs/ext2fs/ |
| H A D | ext2fs.h | 1 /*-
7 /*-
8 * SPDX-License-Identifier: BSD-2-Clause
43 * Super block for an ext2fs file system.
51 uint32_t e2fs_first_dblock; /* first data block */
52 uint32_t e2fs_log_bsize; /* block size = 1024*(2^e2fs_log_bsize) */
61 uint16_t e2fs_magic; /* magic number */
72 uint32_t e2fs_first_ino; /* first non-reserved inode */
74 uint16_t e2fs_block_group_nr; /* block grp number of this sblk*/
77 uint32_t e2fs_features_rocompat; /* RO-compatible feature set */
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| H A D | fs.h | 1 /*-
7 /*-
8 * SPDX-License-Identifier: BSD-3-Clause
42 * Each disk drive contains some number of file systems.
43 * A file system consists of a number of cylinder groups.
46 * A file system is described by its super-block, which in turn
47 * describes the cylinder groups. The super-block is critical
50 * super-block data does not change, so the copies need not be
54 * The byte-offset forms are preferred, as they don't imply a sector size.
64 * the super block for this name.
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| H A D | ext2_bmap.c | 1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
57 * Bmap converts the logical block number of a file to its physical block
58 * number on the disk. The conversion is done by using the logical block
59 * number to index into the array of block pointers described by the dinode.
71 if (ap->a_bop != NULL) in ext2_bmap()
72 *ap->a_bop = &VTOI(ap->a_vp)->i_devvp->v_bufobj; in ext2_bmap()
73 if (ap->a_bnp == NULL) in ext2_bmap()
76 if (VTOI(ap->a_vp)->i_flag & IN_E4EXTENTS) in ext2_bmap()
77 error = ext4_bmapext(ap->a_vp, ap->a_bn, &blkno, in ext2_bmap()
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| /freebsd/sys/ufs/ffs/ |
| H A D | fs.h | 1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
39 * Each disk drive contains some number of filesystems.
40 * A filesystem consists of a number of cylinder groups.
43 * A filesystem is described by its super-block, which in turn
44 * describes the cylinder groups. The super-bloc
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| /freebsd/contrib/llvm-project/lldb/source/Plugins/TraceExporter/common/ |
| H A D | TraceHTR.h | 1 //===-- TraceHTR.h --------------------------------------------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
21 /// Metadata associated with an HTR block
25 /// Constructor for a block's metadata.
28 /// The load address of the block's first instruction.
31 /// The total number of instructions in the block.
34 /// The map of a function name to the number of times it is called from
35 /// the block.
51 /// Get the number of instructions in the block.
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| /freebsd/contrib/llvm-project/llvm/include/llvm/CodeGen/ |
| H A D | MachineTraceMetrics.h | 1 //===- lib/CodeGen/MachineTraceMetrics.h - Super-scalar metrics -*- C++ -*-===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
11 // preferred traces. This is useful for super-scalar CPUs where execution speed
14 // Out-of-order CPUs will often be executing instructions from multiple basic
16 // usage accurately in a single basic block. Resources can be estimated better
17 // by looking at a trace through the current basic block.
19 // For every block, the MachineTraceMetrics pass will pick a preferred trace
20 // that passes through the block. The trace is chosen based on loop structure,
24 // It is expensive to compute a full arbitrary trace for every block, so to
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| /freebsd/bin/dd/ |
| H A D | dd.1 | 1 .\"-
45 Input data is read and written in 512-byte blocks.
47 to form the output block.
50 displays the number of complete and partial input and output blocks
54 .Bl -tag -width "of=file"
56 Set both input and output block size to
68 are specified, then each input block is copied to the output as a
69 single block without any aggregation of short blocks.
86 When padding a block in conversion mode or due to use of
95 Set the input block size to
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| /freebsd/share/doc/smm/05.fastfs/ |
| H A D | 3.t | 35 A file system is described by its super-block,
37 Because the super-block contains critical data,
40 since the super-block data does not change,
42 or other hard disk error causes the default super-block
49 the minimum size of a file system block is 4096 bytes.
52 The block size of a file system is recorded in the
53 file system's super-block
54 so it is possible for file systems with different block sizes
56 The block size must be decided at the time that
66 that includes a redundant copy of the super-block,
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| /freebsd/sys/contrib/device-tree/Bindings/dma/ |
| H A D | fsl-qdma.txt | 8 - compatible: Must be one of
9 "fsl,ls1021a-qdma": for LS1021A Board
10 "fsl,ls1028a-qdma": for LS1028A Board
11 "fsl,ls1043a-qdma": for ls1043A Board
12 "fsl,ls1046a-qdma": for ls1046A Board
13 - reg: Should contain the register's base address and length.
14 - interrupts: Should contain a reference to the interrupt used by this
16 - interrupt-names: Should contain interrupt names:
17 "qdma-queue0": the block0 interrupt
18 "qdma-queue1": the block1 interrupt
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| H A D | fsl-qdma.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dma/fsl-qdma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Frank Li <Frank.Li@nxp.com>
15 - const: fsl,ls1021a-qdma
16 - items:
17 - enum:
18 - fsl,ls1028a-qdma
19 - fsl,ls1043a-qdma
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| /freebsd/contrib/llvm-project/llvm/include/llvm/DebugInfo/MSF/ |
| H A D | MSFCommon.h | 1 //===- MSFCommon.h - Common types and functions for MSF files ---*- C++ -*-===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
33 // The file system is split into a variable number of fixed size elements.
34 // These elements are referred to as blocks. The size of a block may vary
37 // The index of the free block map.
39 // This contains the number of blocks resident in the file system. In
43 // This contains the number of bytes which make up the directory.
47 // This contains the block # of the block map.
55 assert(SB->FreeBlockMapBlock == 1 || SB->FreeBlockMapBlock == 2); in mainFpmBlock()
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| /freebsd/contrib/llvm-project/llvm/lib/Target/ARM/ |
| H A D | ARMBasicBlockInfo.h | 1 //===-- ARMBasicBlockInfo.h - Basic Block Information -----------*- C++ -*-===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // Utility functions and data structure for computing block size.
11 //===----------------------------------------------------------------------===//
27 /// UnknownPadding - Return the worst case padding that could result from
32 /// @param KnownBits Number of known low offset bits.
35 return Alignment.value() - (1ull << KnownBits); in UnknownPadding()
39 /// BasicBlockInfo - Information about the offset and size of a single
40 /// basic block.
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| /freebsd/sys/fs/msdosfs/ |
| H A D | msdosfsmount.h | 3 /*-
4 * SPDX-License-Identifier: BSD-4-Clause
36 /*-
72 * Layout of the mount control block for a MSDOSFS filesystem.
89 u_long pm_FATsecs; /* actual number of FAT sectors */
90 u_long pm_fatblk; /* block # of first FAT */
91 u_long pm_rootdirblk; /* block # (cluster # for FAT32) of root directory number */
93 u_long pm_firstcluster; /* block number of first cluster */
94 u_long pm_maxcluster; /* maximum cluster number */
95 u_long pm_freeclustercount; /* number of free clusters */
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| /freebsd/tools/tools/find-sb/ |
| H A D | mini_ufs.h | 2 * This program, created 2002-10-03 by Garrett A. Wollman
8 * in order to make this tool portable to other unix-like systems.
26 #define NOCSPTRS ((128 / sizeof(void *)) - 4)
33 int32_t cs_ndir; /* number of directories */
34 int32_t cs_nbfree; /* number of free blocks */
35 int32_t cs_nifree; /* number of free inodes */
36 int32_t cs_nffree; /* number of free frags */
40 int64_t cs_ndir; /* number of directories */
41 int64_t cs_nbfree; /* number of free blocks */
42 int64_t cs_nifree; /* number of free inodes */
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| /freebsd/usr.sbin/makefs/ffs/ |
| H A D | ufs_bmap.c | 4 /*-
5 * SPDX-License-Identifier: BSD-3-Clause
57 * Create an array of logical block number/offset pairs which represent the
58 * path of indirect blocks required to access a data block. The first "pair"
59 * contains the logical block number of the appropriate single, double or
60 * triple indirect block and the offset into the inode indirect block array.
61 * Note, the logical block number of the inode single/double/triple indirect
62 * block appears twice in the array, once with the offset into the i_ffs_ib and
74 lognindir = ffs(NINDIR(ip->i_fs)) - 1; in ufs_getlbns()
80 bn = -(long)bn; in ufs_getlbns()
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| /freebsd/contrib/ofed/opensm/include/opensm/ |
| H A D | osm_mcast_tbl.h | 2 * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
3 * Copyright (c) 2002-2009 Mellanox Technologies LTD. All rights reserved.
4 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
17 * - Redistributions of source code must retain the above
21 * - Redistributions in binary form must reproduce the above
84 * The number of ports in the port mask. This value
85 * is the same as the number of ports on the switch
89 * is computed from the number of ports on the switch.
92 * Maximum block number supported in the table. This value
93 * is approximately the number of MLID entries divided by the
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| /freebsd/sbin/fsck_ffs/ |
| H A D | fsck.h | 1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause and BSD-2-Clause
10 * contract N66001-01-C-803
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| /freebsd/contrib/llvm-project/llvm/lib/CodeGen/ |
| H A D | SpillPlacement.h | 1 //===- SpillPlacement.h - Optimal Spill Code Placement --------
90 unsigned Number; ///< Basic block number (from MBB::getNumber()). global() member
155 getBlockFrequency(unsigned Number) getBlockFrequency() argument
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| /freebsd/sbin/ipf/ipf/ |
| H A D | ipf.5 | 3 ipf, ipf.conf \- IPFilter firewall rules file format
9 For use as a firewall, there are two important rule types: those that block
10 and drop packets (block rules) and those that allow packets through (pass
17 block in all
24 a decision keyword (pass, block, etc.)
80 block
89 So if a packet first matched a block rule and then matched a log rule,
105 packet and another ioctl system call to return the verdict (block,
117 For non-UDP packets, there are builtin checks that are applied in addition
126 that is a block and no further rules match the packet, then it will
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| /freebsd/usr.sbin/ctladm/ |
| H A D | ctladm.8 | 3 .\" Copyright (c) 2015-2021 Alexander Motin <mav@FreeBSD.org>
36 .\" $Id: //depot/users/kenm/FreeBSD-test2/usr.sbin/ctladm/ctladm.8#3 $
72 .Aq Fl f Ar file|-
82 .Aq Fl f Ar file|-
197 .Aq Fl a | Fl c Ar connection-id | Fl i Ar name | Fl p Ar portal
200 .Aq Fl a | Fl c Ar connection-id | Fl i Ar name | Fl p Ar portal
207 .Aq Fl a | Fl c Ar controller-id | Fl h Ar name
218 some meta-commands that utilize
229 utility has a number of primary functions, many of which require a device
232 .Bl -tag -width 14n
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