Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial updates from Jiri Kosina: "As usual, it's mostly typo fixes, redundant code elimination and some documentation updates." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (57 commits) edac, mips: don't change code that has been removed in edac/mips tree xtensa: Change mail addresses of Hannes Weiner and Oskar Schirmer lib: Change mail address of Oskar Schirmer net: Change mail address of Oskar Schirmer arm/m68k: Change mail address of Sebastian Hess i2c: Change mail address of Oskar Schirmer net: Fix tcp_build_and_update_options comment in struct tcp_sock atomic64_32.h: fix parameter naming mismatch Kconfig: replace "--- help ---" with "---help---" c2port: fix bogus Kconfig "default no" edac: Fix spelling errors. qla1280: Remove redundant NULL check before release_firmware() call remoteproc: remove redundant NULL check before release_firmware() qla2xxx: Remove redundant NULL check before release_firmware() call. aic94xx: Get rid of redundant NULL check before release_firmware() call tehuti: delete redundant NULL check before release_firmware() qlogic: get rid of a redundant test for NULL before call to release_firmware() bna: remove redundant NULL test before release_firmware() tg3: remove redundant NULL test before release_firmware() call typhoon: get rid of redundant conditional before all to release_firmware() ...
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@@ -93,7 +93,7 @@ The API to the login script is as follows:
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(allways exists)
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(More protocols can be defined in the future.
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The client does not interpret this string it is
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passed unchanged as recieved from the Server)
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passed unchanged as received from the Server)
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-o osdname of the requested target OSD
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(Might be empty)
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(A string which denotes the OSD name, there is a
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@@ -17,7 +17,7 @@ concepts of blocks, inodes and directories.
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On QNX it is possible to create little endian and big endian qnx6 filesystems.
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This feature makes it possible to create and use a different endianness fs
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for the target (QNX is used on quite a range of embedded systems) plattform
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running on a different endianess.
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running on a different endianness.
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The Linux driver handles endianness transparently. (LE and BE)
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Blocks
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@@ -26,7 +26,7 @@ Blocks
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The space in the device or file is split up into blocks. These are a fixed
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size of 512, 1024, 2048 or 4096, which is decided when the filesystem is
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created.
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Blockpointers are 32bit, so the maximum space that can be adressed is
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Blockpointers are 32bit, so the maximum space that can be addressed is
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2^32 * 4096 bytes or 16TB
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The superblocks
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@@ -47,16 +47,16 @@ inactive superblock.
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Each superblock holds a set of root inodes for the different filesystem
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parts. (Inode, Bitmap and Longfilenames)
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Each of these root nodes holds information like total size of the stored
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data and the adressing levels in that specific tree.
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If the level value is 0, up to 16 direct blocks can be adressed by each
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data and the addressing levels in that specific tree.
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If the level value is 0, up to 16 direct blocks can be addressed by each
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node.
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Level 1 adds an additional indirect adressing level where each indirect
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adressing block holds up to blocksize / 4 bytes pointers to data blocks.
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Level 2 adds an additional indirect adressig block level (so, already up
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to 16 * 256 * 256 = 1048576 blocks that can be adressed by such a tree)a
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Level 1 adds an additional indirect addressing level where each indirect
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addressing block holds up to blocksize / 4 bytes pointers to data blocks.
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Level 2 adds an additional indirect addressing block level (so, already up
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to 16 * 256 * 256 = 1048576 blocks that can be addressed by such a tree).
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Unused block pointers are always set to ~0 - regardless of root node,
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indirect adressing blocks or inodes.
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indirect addressing blocks or inodes.
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Data leaves are always on the lowest level. So no data is stored on upper
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tree levels.
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@@ -64,7 +64,7 @@ The first Superblock is located at 0x2000. (0x2000 is the bootblock size)
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The Audi MMI 3G first superblock directly starts at byte 0.
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Second superblock position can either be calculated from the superblock
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information (total number of filesystem blocks) or by taking the highest
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device address, zeroing the last 3 bytes and then substracting 0x1000 from
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device address, zeroing the last 3 bytes and then subtracting 0x1000 from
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that address.
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0x1000 is the size reserved for each superblock - regardless of the
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@@ -83,8 +83,8 @@ size, number of blocks used, access time, change time and modification time.
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Object mode field is POSIX format. (which makes things easier)
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There are also pointers to the first 16 blocks, if the object data can be
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adressed with 16 direct blocks.
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For more than 16 blocks an indirect adressing in form of another tree is
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addressed with 16 direct blocks.
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For more than 16 blocks an indirect addressing in form of another tree is
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used. (scheme is the same as the one used for the superblock root nodes)
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The filesize is stored 64bit. Inode counting starts with 1. (whilst long
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@@ -118,13 +118,13 @@ no block pointers and the directory file record pointing to the target file
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inode.
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Character and block special devices do not exist in QNX as those files
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are handled by the QNX kernel/drivers and created in /dev independant of the
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are handled by the QNX kernel/drivers and created in /dev independent of the
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underlaying filesystem.
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Long filenames
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--------------
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Long filenames are stored in a seperate adressing tree. The staring point
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Long filenames are stored in a separate addressing tree. The staring point
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is the longfilename root node in the active superblock.
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Each data block (tree leaves) holds one long filename. That filename is
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limited to 510 bytes. The first two starting bytes are used as length field
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