Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:

 - further restructure ext4 documentation

 - fix up ext4's delayed allocation for bigalloc file systems

 - fix up some syzbot-detected races in EXT4_IOC_MOVE_EXT,
   EXT4_IOC_SWAP_BOOT, and ext4_remount

 - ... and a few other miscellaneous bugs and optimizations.

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (21 commits)
  ext4: fix use-after-free race in ext4_remount()'s error path
  ext4: cache NULL when both default_acl and acl are NULL
  docs: promote the ext4 data structures book to top level
  docs: move ext4 administrative docs to admin-guide/
  jbd2: fix use after free in jbd2_log_do_checkpoint()
  ext4: propagate error from dquot_initialize() in EXT4_IOC_FSSETXATTR
  ext4: fix setattr project check in fssetxattr ioctl
  docs: make ext4 readme tables readable
  docs: fix ext4 documentation table formatting problems
  docs: generate a separate ext4 pdf file from the documentation
  ext4: convert fault handler to use vm_fault_t type
  ext4: initialize retries variable in ext4_da_write_inline_data_begin()
  ext4: fix EXT4_IOC_SWAP_BOOT
  ext4: fix build error when DX_DEBUG is defined
  ext4: fix argument checking in EXT4_IOC_MOVE_EXT
  ext4: fix reserved cluster accounting at page invalidation time
  ext4: adjust reserved cluster count when removing extents
  ext4: reduce reserved cluster count by number of allocated clusters
  ext4: fix reserved cluster accounting at delayed write time
  ext4: add new pending reservation mechanism
  ...

Author: torvalds

Documentation/admin-guide/ext4.rst

@@ -71,6 +71,7 @@ configure specific aspects of kernel behavior to your liking.
    java
    ras
    bcache
+   ext4
    pm/index
    thunderbolt
    LSM/index

Documentation/admin-guide/index.rst

@@ -383,6 +383,10 @@
      'The kernel development community', 'manual'),
     ('filesystems/index', 'filesystems.tex', 'Linux Filesystems API',
      'The kernel development community', 'manual'),
+    ('admin-guide/ext4', 'ext4-admin-guide.tex', 'ext4 Administration Guide',
+     'ext4 Community', 'manual'),
+    ('filesystems/ext4/index', 'ext4-data-structures.tex',
+     'ext4 Data Structures and Algorithms', 'ext4 Community', 'manual'),
     ('gpu/index', 'gpu.tex', 'Linux GPU Driver Developer\'s Guide',
      'The kernel development community', 'manual'),
     ('input/index', 'linux-input.tex', 'The Linux input driver subsystem',

Documentation/conf.py

@@ -30,7 +30,7 @@ Extended attributes, when stored after the inode, have a header
 ``ext4_xattr_ibody_header`` that is 4 bytes long:
 
 .. list-table::
-   :widths: 1 1 1 77
+   :widths: 8 8 24 40
    :header-rows: 1
 
    * - Offset
@@ -47,7 +47,7 @@ The beginning of an extended attribute block is in
 ``struct ext4_xattr_header``, which is 32 bytes long:
 
 .. list-table::
-   :widths: 1 1 1 77
+   :widths: 8 8 24 40
    :header-rows: 1
 
    * - Offset
@@ -92,7 +92,7 @@ entries must be stored in sorted order. The sort order is
 Attributes stored inside an inode do not need be stored in sorted order.
 
 .. list-table::
-   :widths: 1 1 1 77
+   :widths: 8 8 24 40
    :header-rows: 1
 
    * - Offset
@@ -157,7 +157,7 @@ attribute name index field is set, and matching string is removed from
 the key name. Here is a map of name index values to key prefixes:
 
 .. list-table::
-   :widths: 1 79
+   :widths: 16 64
    :header-rows: 1
 
    * - Name Index