Documentation/filesystems/qnx6.rst

1 .. SPDX-License-Identifier: GPL-2.0
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42 Each qnx6fs got two superblocks, each one having a 64bit serial number.
43 That serial number is used to identify the "active" superblock.
45 serial of the new master superblock is increased (old superblock serial + 1)
48 update of the serial number. Before updating that serial, all modifications
65 Unused block pointers are always set to ~0 - regardless of root node,
75 information (total number of filesystem blocks) or by taking the highest
79 0x1000 is the size reserved for each superblock - regardless of the
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90 size, number of blocks used, access time, change time and modification time.
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108 name with an inode number.
110 '.' inode number points to the directory inode
112 '..' inode number points to the parent directory inode
119 record plus the longfile inode number also stored in that record.
121 With that longfilename inode number, the longfilename tree can be walked
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187 (system area of the inactive - resp. lower serial numbered superblock) while
192 time or a filesystem sync is requested), serial of the previously inactive
193 superblock atomically is increased and the fs switches over to that - then
194 stable declared - superblock.