| /linux/Documentation/filesystems/ |
| H A D | qnx6.rst | 41 The superblock contains all global information about the filesystem.
43 That serial number is used to identify the "active" superblock.
45 serial of the new master superblock is increased (old superblock serial + 1)
51 inactive superblock.
53 Each superblock holds a set of root inodes for the different filesystem
72 The Audi MMI 3G first superblock directly starts at byte 0.
74 Second superblock position can either be calculated from the superblock
79 0x1000 is the size reserved for each superblock - regardless of the
98 used. (scheme is the same as the one used for the superblock root nodes)
122 starting with the superblock longfilename root node pointers.
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| H A D | porting.rst | 135 new file_system_type method - kill_sb(superblock). If you are converting
208 just takes the superblock and inode number as arguments and does the
834 in ->destroy_inode()) is *NOT* ordered wrt superblock destruction;
835 as the matter of fact, the superblock and all associated structures
961 suitable superblock to reuse based on the block device pointer.
963 The new logic tries to find a suitable superblock first based on the device
970 In the old logic concurrent mounters would find the superblock on the list of
972 would hold s_umount they would wait until the superblock became either born or
983 The holder of a block device is now the superblock.
987 superblock without matching on the device pointer stored in the superblock.
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| H A D | ext2.rst | 17 Most defaults are determined by the filesystem superblock, and can be
52 sb=n Use alternate superblock at this location.
98 descriptor table stored in the block(s) immediately after the superblock.
112 The superblock contains all the information about the configuration of
113 the filing system. The primary copy of the superblock is stored at an
116 the superblock are stored in block groups throughout the filesystem.
122 superblock feature). The groups chosen are 0, 1 and powers of 3, 5 and 7.
124 The information in the superblock contains fields such as the total
135 All fields in the superblock (as in all other ext2 structures) are stored
225 filesystems. The superblock of the ext2 filesystem contains several
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| H A D | ubifs-authentication.rst | 141 ``mkfs.ubifs``) and stored in the superblock node. The log area contains only
367 the filesystem is created using `mkfs.ubifs` and stored in the superblock node.
369 the superblock struct. The superblock node is stored in LEB 0 and is only
389 of superblock, master, commit start and reference nodes. This key has to be
391 superblock node. Further, it has to be available on mount of the filesystem
417 superblock node will additionally store a hash of the authentication key. This
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| /linux/Documentation/filesystems/ext4/ |
| H A D | blockgroup.rst | 32 The superblock will start at offset 1024 bytes, whichever block that
34 1024, then block 0 is marked in use and the superblock goes in block 1.
37 The ext4 driver primarily works with the superblock and the group
39 superblock and group descriptors are written to some of the block groups
71 superblock, group descriptors, data block bitmaps for groups 0-3, inode
75 large files to be continuous on disk. Backup copies of the superblock
103 the superblock is followed by a variable-length set of block group
104 descriptors. Instead, the superblock and a single block group descriptor
113 the field s_first_meta_bg in the superblock will indicate the first
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| H A D | super.rst | 6 The superblock records various information about the enclosing
11 superblock and group descriptors are kept only in the groups whose group
15 The superblock checksum is calculated against the superblock structure,
18 The ext4 superblock is laid out as follows in
156 - Block group # of this superblock.
218 - UUID of journal superblock
308 MMP is a mechanism to record in the superblock which host and device
420 - Block groups containing superblock backups (if sparse_super2)
495 The superblock state is some combination of the following:
512 The superblock error policy is one of the following:
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| H A D | checksums.rst | 8 The desired checksum algorithm is indicated in the superblock, though as
27 of checksum. The checksum function is whatever the superblock describes
39 - The entire superblock up to the checksum field. The UUID lives inside
40 the superblock.
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| H A D | orphan.rst | 15 superblock contains the inode number of the last orphan inode (s_last_orphan
21 (referenced from the superblock through s_orphan_file_inum) with several
37 RO_COMPAT_ORPHAN_PRESENT feature in the superblock to indicate there may
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| H A D | special_inodes.rst | 37 …st non-reserved inode. Usually this is the lost+found directory. See s_first_ino in the superblock.
41 hierarchy. These are generally reference from the superblock. They are:
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| H A D | journal.rst | 43 journal inode are replicated in the ext4 superblock. The journal itself
86 The journal superblock will be in the next full block after the
87 superblock.
150 - Journal superblock, v1.
152 - Journal superblock, v2.
164 The journal superblock is recorded as ``struct journal_superblock_s``,
182 - Common header identifying this as a superblock.
215 - The remaining fields are only valid in a v2 superblock.
274 - Checksum of the entire superblock, with this field set to zero.
560 the superblock advertises 64-bit block number support, or 4 bytes
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| H A D | bitmaps.rst | 26 descriptor points to the start of the table, and the superblock records
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| H A D | group_descr.rst | 15 group, the only data structures with fixed locations are the superblock
33 the size is stored in the superblock.
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| /linux/security/landlock/ |
| H A D | fs.h | 92 landlock_superblock(const struct super_block *const superblock) in landlock_superblock() argument
94 return superblock->s_security + landlock_blob_sizes.lbs_superblock; in landlock_superblock()
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| /linux/scripts/gdb/linux/ |
| H A D | proc.py | 192 superblock = mnt['mnt']['mnt_sb']
193 fstype = superblock['s_type']['name'].string()
194 s_flags = int(superblock['s_flags'])
199 mnt.format_string(), superblock.format_string(), devname,
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-fs-nilfs2 | 60 What: /sys/fs/nilfs2/<device>/superblock/sb_write_time
67 What: /sys/fs/nilfs2/<device>/superblock/sb_write_time_secs
73 What: /sys/fs/nilfs2/<device>/superblock/sb_write_count
79 What: /sys/fs/nilfs2/<device>/superblock/sb_update_frequency
83 Show/Set interval of periodical update of superblock
86 What: /sys/fs/nilfs2/<device>/superblock/README
90 Describe attributes of /sys/fs/nilfs2/<device>/superblock
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| /linux/fs/nilfs2/ |
| H A D | sysfs.h | 77 NILFS_DEV_ATTR_STRUCT(superblock);
139 NILFS_RO_ATTR(superblock, name)
141 NILFS_RW_ATTR(superblock, name)
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| /linux/Documentation/admin-guide/device-mapper/ |
| H A D | dm-integrity.rst | 37 the device. But it will only format the device if the superblock contains
38 zeroes. If the superblock is neither valid nor zeroed, the dm-integrity
52 1. overwrite the superblock with zeroes
56 4. read the "provided_data_sectors" value from the superblock
103 superblock is used.
108 the superblock is used.
198 - the superblock is protected by journal_mac
199 - a 16-byte salt stored in the superblock is mixed to the mac, so
238 * superblock (4kiB)
268 * integrity tag (the size is specified in the superblock)
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| /linux/security/selinux/include/ |
| H A D | objsec.h | 193 selinux_superblock(const struct super_block *superblock) in selinux_superblock() argument
195 return superblock->s_security + selinux_blob_sizes.lbs_superblock; in selinux_superblock()
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| /linux/Documentation/networking/ |
| H A D | sysfs-tagging.rst | 29 Each sysfs superblock's kernfs_super_info contains an array
31 kobj_nstype first mounts sysfs, a new superblock is created. It
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| /linux/drivers/md/persistent-data/ |
| H A D | dm-space-map-metadata.h | 36 dm_block_t superblock);
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| H A D | dm-transaction-manager.h | 52 int dm_tm_commit(struct dm_transaction_manager *tm, struct dm_block *superblock);
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| /linux/fs/cramfs/ |
| H A D | README | 13 <superblock>
17 <superblock>: struct cramfs_super (see cramfs_fs.h).
120 The superblock ought to indicate the block size that the fs was
149 data, only the superblock, inodes and block pointers.
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| /linux/fs/befs/ |
| H A D | ChangeLog | 79 * Abbandoned silly checks for a NULL superblock pointer in debug.c. [WD]
167 superblock type, rather than struct super_block. This is for
178 * Added functions to get the private superblock and inode structures from
244 * Fixed a problem with reading the superblock on devices with large sector
375 very end of befs_read_super(), after we are done with the disk superblock.
396 * Removed superblock locking calls in befs_read_super(). In 2.4, the VFS
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| /linux/Documentation/admin-guide/ |
| H A D | md.rst | 84 superblock can be autodetected and run at boot time.
118 The md driver can support a variety of different superblock formats.
119 Currently, it supports superblock formats ``0.90.0`` and the ``md-1`` format
122 The kernel will autodetect which format superblock is being used.
125 reasons - it is the original superblock format.
128 General Rules - apply for all superblock formats
146 version number. The major version number selects which superblock
149 superblock.
158 appropriate superblock written to them, and then be passed in with
165 Specific Rules that apply to format-0 super block arrays, and arrays with no superblock (non-persis…
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| /linux/fs/freevxfs/ |
| H A D | Kconfig | 12 data endianness and/or superblock offset. The vxfs module has been
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