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Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-next

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* git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-next:
  Squashfs: fix i_blocks calculation with extended regular files
  Squashfs: fix mount time sanity check for corrupted superblock
  Squashfs: optimise squashfs_cache_get entry search
  Squashfs: Update documentation to include xattrs
  Squashfs: add missing block release on error condition
This commit is contained in:
Linus Torvalds
2012-01-13 10:34:57 -08:00
parent 57e6a7dde8 3d4a1c80c4
commit 96e80a7851
5 changed files with 28 additions and 15 deletions
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6
Documentation/filesystems/squashfs.txt
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@@ -93,8 +93,8 @@ byte alignment:
Compressed data blocks are written to the filesystem as files are read from
the source directory, and checked for duplicates. Once all file data has been
written the completed inode, directory, fragment, export and uid/gid lookup
tables are written.
written the completed inode, directory, fragment, export, uid/gid lookup and
xattr tables are written.
3.1 Compression options
-----------------------
@@ -151,7 +151,7 @@ in each metadata block. Directories are sorted in alphabetical order,
and at lookup the index is scanned linearly looking for the first filename
alphabetically larger than the filename being looked up. At this point the
location of the metadata block the filename is in has been found.
The general idea of the index is ensure only one metadata block needs to be
The general idea of the index is to ensure only one metadata block needs to be
decompressed to do a lookup irrespective of the length of the directory.
This scheme has the advantage that it doesn't require extra memory overhead
and doesn't require much extra storage on disk.