| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch adds an automount command which makes it possible
to execute a script when a certain directory is first accessed.
It's the commands responsibility to make this directory available
(bringing devices up and mounting it). This results in automount
support which makes sure that from the shell every file can
be accessed without having to care for device bringup. Bringing
up devices may be expensive (USB, dhcp). The automount support
makes it easy for the environment to bringup devices when they
are actually needed.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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every struct fs_device_d contains a struct mtab_entry, so they
have a 1:1 relationship. Instead of having to use container_of
to get from a struct mtab_entry to a struct fs_device_d we can
better embed the members of struct mtab_entry into struct fs_device_d
directly.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This reduces the usage of dev->type_data.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This reduces the usage of dev->type_data.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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By putting the fs devices/drivers on a bus on its own we can hook
into the bus remove function to cleanup the fs device. This way
we can unmount a device by simply unregistering the device which
is useful for for example USB mass storage devices. These can now
unregister the assoiated filesystems by unregistering their child
devices.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We store the fs devices in a list only because we want to
check if the fs driver needs a backingstore or not. The
driver will bail out anyway if it needs a backingstore and
doesn't find one. So we can remove this check and thus remove
the list of fs devices.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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To make the code a bit easier to read. Also, do not allow
to umount / when something else is mounted.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Once we have caching in file functions we need a way to sync
the the underlying devices.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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- pass open/close/lseek through to drivers
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- Use device tree structure to implement partitions
- Let devinfo print a nice tree
- Introduce 'fixed' partitions which are not removable
- Fix mount: It was not possible to mount on a relative path.
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int open(const char *pathname, int flags);
-> int open(const char *pathname, int flags, ...);
int mkdir(const char *pathname);
-> int mkdir(const char *pathname, mode_t mode);
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With this function we can get a pointer to directly memory mapped
devices like nor flash or RAM. Useful for bootm where we save one
memcopy when the image is mappable
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add comments
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make read_file global
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add erase function
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- do more POSIX:
- use DIR instead of struct dirent
- use (struct dirent)->d_name instead of (struct dirent)->name
- switch to a new layout for U_BOOT_CMD:
- use C99 initializers to be able to add more fields to the
command struct
- add aliases for commands (needed mainly for help -> ? and test -> [
- This is not done for all commands yet, but the compiler will tell you ;)
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let normalise path allocate the string instead of changing the original one
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let mount take the device as string
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add rmdir and unlink
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add lseek
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more FS work
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WIP FS support
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WIP
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WIP Filesystem support
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WIP
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beginning filesystem support
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