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fs/dup: remove template filep to optimize dup operation

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Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
This commit is contained in:
dongjiuzhu1 2024-07-02 22:34:38 +08:00 • committed by Xiang Xiao
parent e8f9ef022f
commit 5b889b9270
1 changed files with 15 additions and 14 deletions
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29
fs/vfs/fs_dup.c
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@ -52,27 +52,28 @@
int file_dup(FAR struct file *filep, int minfd, int flags)
{
struct file filep2;
FAR struct file *filep2;
int fd2;
int ret;
/* Let file_dup3() do the real work */
memset(&filep2, 0, sizeof(filep2));
ret = file_dup3(filep, &filep2, flags);
if (ret < 0)
{
return ret;
}
fd2 = file_allocate(filep2.f_inode, filep2.f_oflags,
filep2.f_pos, filep2.f_priv, minfd, false);
fd2 = file_allocate(g_root_inode, 0, 0, NULL, minfd, true);
if (fd2 < 0)
{
file_close(&filep2);
return fd2;
}
return fd2;
ret = fs_getfilep(fd2, &filep2);
DEBUGASSERT(ret >= 0);
ret = file_dup3(filep, filep2, flags);
fs_putfilep(filep2);
if (ret >= 0)
{
return fd2;
}
fs_putfilep(filep2);
return ret;
}
/****************************************************************************