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The implementation roughly follows the POSIX specification for rename() [1]. The ordering of operations attempting to minimize the chance for data loss in unexpected circumstances. The 'mv' command was implemented as a front end for the rename operation as that is what most users are likely familiar with in terms of behavior. The 'FAT_RENAME' Kconfig option was added to prevent code size increase on size-oriented builds like SPL. [1] https://pubs.opengroup.org/onlinepubs/9799919799/functions/rename.html Signed-off-by: Gabriel Dalimonte <gabriel.dalimonte@gmail.com>
31 lines
1 KiB
Text
31 lines
1 KiB
Text
config FS_FAT
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bool "Enable FAT filesystem support"
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help
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This provides support for reading images from File Allocation Table
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(FAT) filesystem. FAT filesystem is a legacy, lightweight filesystem.
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It is useful mainly for its wide compatibility with various operating
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systems. You can also enable CMD_FAT to get access to fat commands.
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config FAT_WRITE
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bool "Enable FAT filesystem write support"
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depends on FS_FAT
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help
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This provides support for creating and writing new files to an
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existing FAT filesystem partition.
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config FAT_RENAME
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bool "Enable filesystem rename support"
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depends on FAT_WRITE
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help
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This provides support for renaming and moving files within a
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FAT filesystem partition.
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config FS_FAT_MAX_CLUSTSIZE
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int "Set maximum possible clustersize"
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default 65536
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depends on FS_FAT
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help
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Set the maximum possible clustersize for the FAT filesytem. This
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is the smallest amount of disk space that can be used to hold a
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file. Unless you have an extremely tight memory memory constraints,
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leave the default.
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