[PATCH 1/3] erofs-utils: mkfs: eliminate redundant FD duplication

[Gao Xiang]

Removing unnecessary FD duplication prevents EMFILE errors.

Signed-off-by: Gao Xiang <hsiangkao at linux.alibaba.com>
---
 lib/compress.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/compress.c b/lib/compress.c
index 73554d6..2bafb0e 100644
--- a/lib/compress.c
+++ b/lib/compress.c
@@ -1720,7 +1720,6 @@ int erofs_mt_write_compressed_file(struct z_erofs_compress_ictx *ictx)
 	ret = erofs_commit_compressed_file(ictx, bh, pstart - ptotal, ptotal);
 
 out:
-	close(ictx->fd);
 	free(ictx);
 	return ret;
 }
@@ -1791,13 +1790,12 @@ void *erofs_begin_compressed_file(struct erofs_inode *inode, int fd, u64 fpos)
 		pthread_mutex_unlock(&g_ictx.mutex);
 #endif
 		ictx = &g_ictx;
-		ictx->fd = fd;
 	} else {
 		ictx = malloc(sizeof(*ictx));
 		if (!ictx)
 			return ERR_PTR(-ENOMEM);
-		ictx->fd = dup(fd);
 	}
+	ictx->fd = fd;
 
 	ictx->ccfg = &sbi->zmgr->ccfg[inode->z_algorithmtype[0]];
 	inode->z_algorithmtype[0] = ictx->ccfg->algorithmtype;
-- 
2.43.5