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NSH no long calls losetup() and loteardown() directly. Now it uses /dev/loop and performs these operations using ioctl() calls

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This commit is contained in:
Gregory Nutt
2015-11-25 17:55:16 -06:00
parent 882ae41aee
commit a62bf6727f
4 changed files with 53 additions and 25 deletions
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6
nshlib/nsh.h
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@@ -594,7 +594,7 @@
* entries the provide the necessary interfaces.
* - Other interfaces are more standard and for these there probably should
* be new system calls to support the OS interface. Such interfaces
* include things like losetup, loteardown, and mkrd.
* include things like ps, mkfatfs, and mkrd.
* - Other interfaces simply need to be moved out of the OS and into the C
* library where they will become accessible to application code. Such
* interfaces include mkfatfs.
@@ -605,8 +605,6 @@
# define CONFIG_NSH_DISABLE_PS 1
# undef CONFIG_NSH_DISABLE_DF /* 'df' depends on foreach_mountpoint */
# define CONFIG_NSH_DISABLE_DF 1
# undef CONFIG_NSH_DISABLE_LOSETUP /* 'losetup' depends on losetup/loteardown */
# define CONFIG_NSH_DISABLE_LOSETUP 1
# undef CONFIG_NSH_DISABLE_MKFATFS /* 'mkfatfs' depends on mkfatfs interface */
# define CONFIG_NSH_DISABLE_MKFATFS 1
# undef CONFIG_NSH_DISABLE_MKRD /* 'mkrd' depends on ramdisk_register */
@@ -908,7 +906,7 @@ void nsh_usbtrace(void);
# endif /* CONFIG_NFILE_STREAMS && NSH_HAVE_DIROPTS */
# ifndef CONFIG_DISABLE_MOUNTPOINT
# ifndef CONFIG_NSH_DISABLE_LOSETUP
# if defined(CONFIG_DEV_LOOP) && !defined(CONFIG_NSH_DISABLE_LOSETUP)
int cmd_losetup(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# endif
# ifndef CONFIG_NSH_DISABLE_MKFIFO