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Remove redundant mutex lock acquisition in the truncate() method to
prevent deadlock. The issue occurs when memfs_setattr() already holds
the mutex lock and then calls truncate(), which attempts to acquire
the same lock again.
Signed-off-by: Long Li <leo.lilong@huawei.com>
(cherry picked from commit b96c738b10e9a308725c62b9392ba7d553eec254)
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Signed-off-by: swj <1186093704@qq.com>
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The code uses std::min() which expects its arguments to be size_t. Two
times it uses an offset declared as off_t. While both size_t and off_t
are 32-bit integers, the latter is signed. On 64 bit architectures
the conversation of off_t -> size_t performed automatically. On 32 bit
architectures it needs a type cast.
Signed-off-by: Laszlo Boszormenyi (GCS) <gcs@debian.org>
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This is an initial implementation and quickly hacked together
within a few hours - issues expected.
This also increase to C++17 as memfs_ll makes use of more
recent features.
Background to create this was actually to be able to test large
file names (3 * 1024B), which couldn't be achieved with passthrough
file system as non of the underlying file systems seems to support
that.
Signed-off-by: Bernd Schubert <bschubert@ddn.com>
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