linux-next/fs/ext4
Linus Torvalds 7956186e75 vfs-6.13.tmpfs
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Merge tag 'vfs-6.13.tmpfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

Pull tmpfs case folding updates from Christian Brauner:
 "This adds case-insensitive support for tmpfs.

  The work contained in here adds support for case-insensitive file
  names lookups in tmpfs. The main difference from other casefold
  filesystems is that tmpfs has no information on disk, just on RAM, so
  we can't use mkfs to create a case-insensitive tmpfs. For this
  implementation, there's a mount option for casefolding. The rest of
  the patchset follows a similar approach as ext4 and f2fs.

  The use case for this feature is similar to the use case for ext4, to
  better support compatibility layers (like Wine), particularly in
  combination with sandboxing/container tools (like Flatpak).

  Those containerization tools can share a subset of the host filesystem
  with an application. In the container, the root directory and any
  parent directories required for a shared directory are on tmpfs, with
  the shared directories bind-mounted into the container's view of the
  filesystem.

  If the host filesystem is using case-insensitive directories, then the
  application can do lookups inside those directories in a
  case-insensitive way, without this needing to be implemented in
  user-space. However, if the host is only sharing a subset of a
  case-insensitive directory with the application, then the parent
  directories of the mount point will be part of the container's root
  tmpfs. When the application tries to do case-insensitive lookups of
  those parent directories on a case-sensitive tmpfs, the lookup will
  fail"

* tag 'vfs-6.13.tmpfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
  tmpfs: Initialize sysfs during tmpfs init
  tmpfs: Fix type for sysfs' casefold attribute
  libfs: Fix kernel-doc warning in generic_ci_validate_strict_name
  docs: tmpfs: Add casefold options
  tmpfs: Expose filesystem features via sysfs
  tmpfs: Add flag FS_CASEFOLD_FL support for tmpfs dirs
  tmpfs: Add casefold lookup support
  libfs: Export generic_ci_ dentry functions
  unicode: Recreate utf8_parse_version()
  unicode: Export latest available UTF-8 version number
  ext4: Use generic_ci_validate_strict_name helper
  libfs: Create the helper function generic_ci_validate_strict_name()
2024-11-18 11:05:26 -08:00
..
.kunitconfig ext4: add .kunitconfig fragment to enable ext4-specific tests 2021-02-11 23:16:30 -05:00
acl.c ext4: convert to ctime accessor functions 2023-07-24 10:29:54 +02:00
acl.h Revert "ext4: apply umask if ACL support is disabled" 2024-05-02 18:25:39 -04:00
balloc.c ext4: add some kunit stub for mballoc kunit test 2023-10-05 22:32:16 -04:00
bitmap.c ext4: move checksum length calculation of inode bitmap into ext4_inode_bitmap_csum_[verify/set]() functions 2024-09-03 22:12:15 -04:00
block_validity.c ext4: block_validity: Remove unnecessary ‘NULL’ values from new_node 2024-06-27 09:34:00 -04:00
crypto.c ext4: Move CONFIG_UNICODE defguards into the code flow 2024-06-07 17:00:45 +02:00
dir.c Lots of cleanups and bug fixes this cycle, primarily in the block 2024-09-20 19:26:45 -07:00
ext4_extents.h ext4: fix sparse warnings 2021-08-30 23:36:50 -04:00
ext4_jbd2.c use ->bd_mapping instead of ->bd_inode->i_mapping 2024-05-03 02:36:51 -04:00
ext4_jbd2.h ext4: split ext4_journal_start trace for debug 2022-12-01 10:46:54 -05:00
ext4.h Lots of cleanups and bug fixes this cycle, primarily in the block 2024-09-20 19:26:45 -07:00
extents_status.c ext4: drop all delonly descriptions 2024-09-02 15:26:15 -04:00
extents_status.h ext4: drop ext4_es_is_delonly() 2024-09-02 15:26:14 -04:00
extents.c ext4: save unnecessary indentation in ext4_ext_create_new_leaf() 2024-09-03 22:14:16 -04:00
fast_commit.c ext4: use handle to mark fc as ineligible in __track_dentry_update() 2024-10-04 17:35:54 -04:00
fast_commit.h ext4: add missing validation of fast-commit record lengths 2022-12-08 21:49:24 -05:00
file.c ext4: dax: keep orphan list before truncate overflow allocated blocks 2024-09-03 22:14:16 -04:00
fsmap.c ext4: port block device access to file 2024-02-25 12:05:26 +01:00
fsmap.h ext4: fsmap: fix the block/inode bitmap comment 2021-06-24 09:48:29 -04:00
fsync.c ext4: drop EXT4_MF_FS_ABORTED flag 2023-07-29 18:37:53 -04:00
hash.c ext4: remove redundant checks of s_encoding 2023-08-27 11:27:13 -04:00
ialloc.c ext4: check buffer_verified in advance to avoid unneeded ext4_get_group_info() 2024-09-03 22:12:16 -04:00
indirect.c ext4: update delalloc data reserve spcae in ext4_es_insert_extent() 2024-09-02 15:26:14 -04:00
inline.c Lots of cleanups and bug fixes this cycle, primarily in the block 2024-09-20 19:26:45 -07:00
inode-test.c ext4: add missing MODULE_DESCRIPTION() 2024-07-05 16:07:24 -04:00
inode.c Lots of cleanups and bug fixes this cycle, primarily in the block 2024-09-20 19:26:45 -07:00
ioctl.c introduce fd_file(), convert all accessors to it. 2024-08-12 22:00:43 -04:00
Kconfig fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
Makefile ext4: move ext4 crypto code to its own file crypto.c 2022-05-21 22:24:24 -04:00
mballoc-test.c ext4: add test_mb_mark_used_cost to estimate cost of mb_mark_used 2024-05-03 00:12:32 -04:00
mballoc.c ext4: convert EXT4_B2C(sbi->s_stripe) users to EXT4_NUM_B2C 2024-09-03 22:14:17 -04:00
mballoc.h ext4: convert ac_buddy_page to ac_buddy_folio 2024-05-07 15:38:17 -04:00
migrate.c ext4: fix i_data_sem unlock order in ext4_ind_migrate() 2024-09-03 22:14:17 -04:00
mmp.c ext4: replace read-only check for shutdown check in mmp code 2023-07-29 18:37:53 -04:00
move_extent.c ext4: get rid of ppath in get_ext_path() 2024-09-03 22:12:17 -04:00
namei.c ext4: Use generic_ci_validate_strict_name helper 2024-10-28 13:36:53 +01:00
orphan.c ext4: remove trailing newline from ext4_msg() message 2022-12-08 21:49:23 -05:00
page-io.c fs/writeback: convert wbc_account_cgroup_owner to take a folio 2024-10-28 13:26:54 +01:00
readpage.c ext4: reduce stack usage in ext4_mpage_readpages() 2024-08-26 21:47:03 -04:00
resize.c ext4: fix off by one issue in alloc_flex_gd() 2024-10-04 17:36:28 -04:00
super.c Merge patch series "timekeeping/fs: multigrain timestamp redux" 2024-10-10 10:20:57 +02:00
symlink.c ext4_get_link(): fix breakage in RCU mode 2024-02-25 02:10:32 -05:00
sysfs.c ext4: add positive int attr pointer to avoid sysfs variables overflow 2024-05-02 23:48:30 -04:00
truncate.h ext4: Convert to use mapping->invalidate_lock 2021-07-13 14:29:00 +02:00
verity.c fs: Convert aops->write_begin to take a folio 2024-08-07 11:33:21 +02:00
xattr_hurd.c fs: port xattr to mnt_idmap 2023-01-19 09:24:28 +01:00
xattr_security.c fs: port xattr to mnt_idmap 2023-01-19 09:24:28 +01:00
xattr_trusted.c fs: port xattr to mnt_idmap 2023-01-19 09:24:28 +01:00
xattr_user.c fs: port xattr to mnt_idmap 2023-01-19 09:24:28 +01:00
xattr.c ext4: mark fc as ineligible using an handle in ext4_xattr_set() 2024-10-04 17:36:09 -04:00
xattr.h ext4: annotate struct ext4_xattr_inode_array with __counted_by() 2024-08-26 23:40:06 -04:00