[PATCH v2 0/4] ubifs: Add overlayfs support

From	Richard Weinberger <richard@nod.at>
Newsgroups	linux.kernel
Subject	[PATCH v2 0/4] ubifs: Add overlayfs support
Date	2016-09-14 22:40 +0200
Message-ID	<shp8l-5Gc-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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To support overlayfs in a proper way a filesystem has to offer support
for DT_CHR, RENAME_WHITEOUT and RENAME_EXCHANGE.
While UBIFS supports DT_CHR it lacks support for RENAME_WHITEOUT and
RENAME_EXCHANGE. This patch series implement the missing bits.
RENAME_WHITEOUT itself depends on O_TMPFILE, therefore O_TMPFILE is now
also supported.

Changes since v1:
 - Build fix for CONFIG_LOCKDEP=y
 - Fix for wrong dentry name length calculation in ubifs_jnl_xrename()
 - Fix for wrong directory link count after RENAME_EXCHANGE

Richard Weinberger (4):
  ubifs: Implement O_TMPFILE
  ubifs: Implement RENAME_WHITEOUT
  ubifs: Implement RENAME_EXCHANGE
  ubifs: Use move variable in ubifs_rename()

 fs/ubifs/dir.c     | 242 +++++++++++++++++++++++++++++++++++++++++++++++++----
 fs/ubifs/journal.c | 188 +++++++++++++++++++++++++++++++++++++----
 fs/ubifs/ubifs.h   |   8 +-
 3 files changed, 404 insertions(+), 34 deletions(-)

-- 
2.7.3

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[PATCH v2 0/4] ubifs: Add overlayfs support Richard Weinberger <richard@nod.at> - 2016-09-14 22:40 +0200
  [PATCH 2/4] ubifs: Implement RENAME_WHITEOUT Richard Weinberger <richard@nod.at> - 2016-09-14 22:40 +0200
  [PATCH 3/4] ubifs: Implement RENAME_EXCHANGE Richard Weinberger <richard@nod.at> - 2016-09-14 22:40 +0200
  [PATCH 4/4] ubifs: Use move variable in ubifs_rename() Richard Weinberger <richard@nod.at> - 2016-09-14 22:40 +0200
  [PATCH 1/4] ubifs: Implement O_TMPFILE Richard Weinberger <richard@nod.at> - 2016-09-14 22:40 +0200
  Re: [PATCH v2 0/4] ubifs: Add overlayfs support Felix Fietkau <nbd@nbd.name> - 2016-09-15 11:40 +0200

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