xiaoxiang781216 commented on code in PR #20820:
URL: https://github.com/apache/nuttx/pull/20820#discussion_r4349953248
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fs/Kconfig:
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@@ -17,6 +17,25 @@ config DISABLE_MOUNTPOINT
bool "Disable support for mount points"
default n
+config FS_DIRENT_LITE
+ bool "Lightweight directory operations"
+ default n
+ depends on BUILD_FLAT
+ ---help---
+ Enable a lightweight directory implementation where opendir(),
+ readdir(), and closedir() bypass file descriptor allocation,
+ the synthetic directory inode, and vectored I/O. This
significantly
+ reduces code footprint (by ~2 KB) on memory-constrained systems.
Review Comment:
can we option out vector I/O? since nx_xxxdir api is close to dir_xxx,.
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