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fs/nfs: Should return the partial transfer bytes in nfs_read/nfs_write

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Xiang Xiao 2020-03-02 16:50:12 +08:00 committed by Gregory Nutt
parent 2524837d79
commit 6c77829940
1 changed files with 2 additions and 10 deletions
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12
fs/nfs/nfs_vfsops.c
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@ -920,13 +920,9 @@ static ssize_t nfs_read(FAR struct file *filep, FAR char *buffer, size_t buflen)
}
}
finfo("Read %d bytes\n", bytesread);
nfs_semgive(nmp);
return bytesread;
errout_with_semaphore:
nfs_semgive(nmp);
return error;
return bytesread > 0 ? bytesread : error;
}
/****************************************************************************
@ -1108,12 +1104,9 @@ static ssize_t nfs_write(FAR struct file *filep, FAR const char *buffer,
buffer += writesize;
}
nfs_semgive(nmp);
return byteswritten;
errout_with_semaphore:
nfs_semgive(nmp);
return error;
return byteswritten > 0 ? byteswritten : error;
}
/****************************************************************************
@ -1301,7 +1294,6 @@ static int nfs_opendir(FAR struct inode *mountpt, FAR const char *relpath,
DEBUGASSERT(fhandle.length <= DIRENT_NFS_MAXHANDLE);
memcpy(dir->u.nfs.nfs_fhandle, &fhandle.handle, fhandle.length);
error = OK;
errout_with_semaphore:
nfs_semgive(nmp);