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docs: filesystems: sysfs: clarify symlink destinations in dev and bus/devices descriptions
Change sysfs bus/devices and dev directory descriptions to
provide more verbose information about the specific symlink
destination the devices point to.
Signed-off-by: Alex Tran <alex.t.tran@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20250902023039.1351270-2-alex.t.tran@gmail.com>
authored by
Alex Tran
and committed by
Jonathan Corbet
63e6e9dd
a1d4416f
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Documentation/filesystems/sysfs.rst
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-2
Documentation/filesystems/sysfs.rst
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drivers/
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devices/ contains symlinks for each device discovered in the system
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that point to the device's directory under root/.
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that point to the device's directory under /sys/devices.
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drivers/ contains a directory for each device driver that is loaded
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for devices on that particular bus (this assumes that drivers do not
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dev/ contains two directories: char/ and block/. Inside these two
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directories there are symlinks named <major>:<minor>. These symlinks
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point to the sysfs directory for the given device. /sys/dev provides a
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point to the directories under /sys/devices for each device. /sys/dev provides a
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quick way to lookup the sysfs interface for a device from the result of
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a stat(2) operation.
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