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-rw-r--r--lib/inode.c58
1 files changed, 29 insertions, 29 deletions
diff --git a/lib/inode.c b/lib/inode.c
index 0e19b11..bd0652b 100644
--- a/lib/inode.c
+++ b/lib/inode.c
@@ -302,24 +302,11 @@ static bool erofs_file_is_compressible(struct erofs_inode *inode)
return true;
}
-int erofs_write_file(struct erofs_inode *inode)
+static int write_uncompressed_file_from_fd(struct erofs_inode *inode, int fd)
{
+ int ret;
unsigned int nblocks, i;
- int ret, fd;
- if (!inode->i_size) {
- inode->datalayout = EROFS_INODE_FLAT_PLAIN;
- return 0;
- }
-
- if (cfg.c_compr_alg_master && erofs_file_is_compressible(inode)) {
- ret = erofs_write_compressed_file(inode);
-
- if (!ret || ret != -ENOSPC)
- return ret;
- }
-
- /* fallback to all data uncompressed */
inode->datalayout = EROFS_INODE_FLAT_INLINE;
nblocks = inode->i_size / EROFS_BLKSIZ;
@@ -327,47 +314,60 @@ int erofs_write_file(struct erofs_inode *inode)
if (ret)
return ret;
- fd = open(inode->i_srcpath, O_RDONLY | O_BINARY);
- if (fd < 0)
- return -errno;
-
for (i = 0; i < nblocks; ++i) {
char buf[EROFS_BLKSIZ];
ret = read(fd, buf, EROFS_BLKSIZ);
if (ret != EROFS_BLKSIZ) {
if (ret < 0)
- goto fail;
- close(fd);
+ return -errno;
return -EAGAIN;
}
ret = blk_write(buf, inode->u.i_blkaddr + i, 1);
if (ret)
- goto fail;
+ return ret;
}
/* read the tail-end data */
inode->idata_size = inode->i_size % EROFS_BLKSIZ;
if (inode->idata_size) {
inode->idata = malloc(inode->idata_size);
- if (!inode->idata) {
- close(fd);
+ if (!inode->idata)
return -ENOMEM;
- }
ret = read(fd, inode->idata, inode->idata_size);
if (ret < inode->idata_size) {
free(inode->idata);
inode->idata = NULL;
- close(fd);
return -EIO;
}
}
- close(fd);
return 0;
-fail:
- ret = -errno;
+}
+
+int erofs_write_file(struct erofs_inode *inode)
+{
+ int ret, fd;
+
+ if (!inode->i_size) {
+ inode->datalayout = EROFS_INODE_FLAT_PLAIN;
+ return 0;
+ }
+
+ if (cfg.c_compr_alg_master && erofs_file_is_compressible(inode)) {
+ ret = erofs_write_compressed_file(inode);
+
+ if (!ret || ret != -ENOSPC)
+ return ret;
+ }
+
+ /* fallback to all data uncompressed */
+ fd = open(inode->i_srcpath, O_RDONLY | O_BINARY);
+ if (fd < 0)
+ return -errno;
+
+ ret = write_uncompressed_file_from_fd(inode, fd);
close(fd);
return ret;
}