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Filename Latest commit message Latest commit date
Ming-Hung Tsai 28c628d200 dm array: fix unreleased btree blocks on closing a faulty array cursor
[ Upstream commit 626f128ee9c4133b1cfce4be2b34a1508949370e ]

The cached block pointer in dm_array_cursor might be NULL if it reaches
an unreadable array block, or the array is empty. Therefore,
dm_array_cursor_end() should call dm_btree_cursor_end() unconditionally,
to prevent leaving unreleased btree blocks.

This fix can be verified using the "array_cursor/iterate/empty" test
in dm-unit:
  dm-unit run /pdata/array_cursor/iterate/empty --kernel-dir <KERNEL_DIR>

Signed-off-by: Ming-Hung Tsai <mtsai@redhat.com>
Fixes: fdd1315aa5 ("dm array: introduce cursor api")
Reviewed-by: Joe Thornber <thornber@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-02-01 18:18:44 +01:00
arch ARC: build: Try to guess GCC variant of cross compiler 2025-01-09 13:23:36 +01:00
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drivers dm array: fix unreleased btree blocks on closing a faulty array cursor 2025-02-01 18:18:44 +01:00
fs jbd2: flush filesystem device before updating tail sequence 2025-02-01 18:18:44 +01:00
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kernel ftrace: use preempt_enable/disable notrace macros to avoid double fault 2025-01-09 13:23:37 +01:00
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mm mm: vmscan: account for free pages to prevent infinite Loop in throttle_direct_reclaim() 2025-01-09 13:23:37 +01:00
net net/sctp: Prevent autoclose integer overflow in sctp_association_init() 2025-01-09 13:23:37 +01:00
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scripts modpost: fix the missed iteration for the max bit in do_input() 2025-01-09 13:23:36 +01:00
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Makefile Linux 5.4.289 2025-01-09 13:23:37 +01:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.